Amethyst
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app2 is parlance the term excludes compilers, program editors, games, and messaging systems, though a user would consider all those to be apps. Oppose {tool}, {operating system}.
arc is [primarily MSDOS] vt. To create a compressed {archive} from a group of files using SEA ARC, PKWare PKARC, or a compatible program. Rapidly becoming obsolete as the ARC compression method is falling into disuse, having been replaced by ...
arc2 is feather}, {zip}.
arc wars is [primarily MSDOS] n. {holy wars} over which archiving program one should use. The first arc war was sparked when System Enhancement Associates (SEA) sued PKWare for copyright and trademark infringement on its ARC program. PKWare'...
arc wars2 is and speed while largely retaining compatibility (it introduced a new compression type that could be disabled for backward-compatibility). PKWare settled out of court to avoid enormous legal costs (both SEA and PKWare are small ...
arc wars3 is of PKARC was changed to PKPAK. The public backlash against SEA for bringing suit helped to hasten the demise of ARC as a standard when PKWare and others introduced new, incompatible archivers with better compression algorithms....
archive is n. 1. A collection of several files bundled into one file by a program such as `ar(1)', `tar(1)', `cpio(1)', or {arc} for shipment or archiving (sense 2). See also {tar and feather}. 2. A collection of files or archives (sense 1) ...
archive2 is {FTP} or an email server.
arena is [UNIX] n. The area of memory attached to a process by `brk(2)' and `sbrk(2)' and used by `malloc(3)' as dynamic storage. So named from a semi-mythical `malloc corrupt arena' message supposedly emitted when some early versions becam...
arena2 is {aliasing bug}, {memory leak}, {smash the stack}.
arg is /arg/ n. Abbreviation for `argument' (to a function), used so often as to have become a new word (like `piano' from `pianoforte'). "The sine function takes 1 arg, but the arc-tangent function can take either 1 or 2 args." Compare {p...
armor-plated is n. Syn. for {bulletproof}.
asbestos is adj. Used as a modifier to anything intended to protect one from {flame}s. Important cases of this include {asbestos longjohns} and {asbestos cork award}, but it is used more generally.
asbestos cork award is n. Once, long ago at MIT, there was a {flamer} so consistently obnoxious that another hacker designed, had made, and distributed posters announcing that said flamer had been nominated for the `asbestos cork award'. Pers...
asbestos cork award2 is application of the cork should consult the etymology under {flame}. Since then, it is agreed that only a select few have risen to the heights of bombast required to earn this dubious dignity --- but there is no agreeme...
asbestos longjohns is n. Notional garments often donned by {USENET} posters just before emitting a remark they expect will elicit {flamage}. This is the most common of the {asbestos} coinages. Also `asbestos underwear', `asbestos overcoat', e...
attoparsec is n. `atto-' is the standard SI prefix for multiplication by 10^{-18}. A parsec (parallax-second) is 3.26 light-years; an attoparsec is thus 3.26 * 10^{-18} light years, or about 3.1 cm (thus, 1 attoparsec/{microfortnight} equal...
attoparsec2 is be in use (though probably not very seriously) among hackers in the U.K. See {micro-}.
autobogotiphobia is /aw'to-boh-got`*-foh'bee-*/ n. See {bogotify}.
automagically is /aw-toh-maj'i-klee/ or /aw-toh-maj'i-k*l-ee/ adv. Automatically, but in a way that, for some reason (typically because it is too complicated, or too ugly, or perhaps even too trivial), the speaker doesn't feel like explaining ...
automagically2 is compiler generates C, then automagically invokes `cc(1)' to produce an executable."
avatar is [CMU, Tektronix] n. Syn. {root}, {superuser}. There are quite a few UNIX machines on which the name of the superuser account is `avatar' rather than `root'. This quirk was originated by a CMU hacker who disliked the term `superuser...
avatar2 is hacker at Tektronix.
awk is 1. n. [UNIX techspeak] An interpreted language for massaging text data developed by Alfred Aho, Peter Weinberger, and Brian Kernighan (the name is from their initials). It is characterized by C-like syntax, a declaration-free approach ...
awk2 is associative arrays, and field-oriented text processing. See also {Perl}. 2. n. Editing term for an expression awkward to manipulate through normal {regexp} facilities (for example, one containing a {newline}). 3. vt. To process d...
awk3 is security of a system deliberately left in place by designers or maintainers. The motivation for this is not always sinister; some operating systems, for example, come out of the box with privileged accounts intended for use by field ...
awk4 is maintenance programmers. Historically, back doors have often lurked in systems longer than anyone expected or planned, and a few have become widely known. The infamous {RTM} worm of late 1988, for example, used a back door in the {BS...
awk5 is 1983 Turing Award lecture to the ACM revealed the existence of a back door in early UNIX versions that may have qualified as the most fiendishly clever security hack of all time. The C compiler contained code that would recognize when ...
awk6 is insert some code recognizing a password chosen by Thompson, giving him entry to the system whether or not an account had been created for him. Normally such a back door could be removed by removing it from the source code for the com...
awk7 is recompile the compiler, you have to *use* the compiler --- so Thompson also arranged that the compiler would *recognize when it was compiling a version of itself*, and insert into the recompiled compiler the code to insert into the rec...
awk8 is entry --- and, of course, the code to recognize itself and do the whole thing again the next time around! And having done this once, he was then able to recompile the compiler from the original sources, leaving his back door in place ...
awk9 is The talk that revealed this truly moby hack was published as "Reflections on Trusting Trust", `Communications of the ACM 27', 8 (August 1984), pp. 761--763. Syn. {trap door}; may also be called a `wormhole'. See also {iron box}, {cr...
backbone cabal is n. A group of large-site administrators who pushed through the {Great Renaming} and reined in the chaos of {USENET} during most of the 1980s. The cabal {mailing list} disbanded in late 1988 after a bitter internal catfight, ...
backbone site is n. A key USENET and email site; one that processes a large amount of third-party traffic, especially if it is the home site of any of the regional coordinators for the USENET maps. Notable backbone sites as of early 1991 inclu...
backbone site2 is University, UC Berkeley, DEC's Western Research Laboratories, Ohio State University, and the University of Texas. Compare {rib site}, {leaf site}.
backgammon is See {bignum}, {moby}, and {pseudoprime}.
background is n.,adj.,vt. To do a task `in background' is to do it whenever {foreground} matters are not claiming your undivided attention, and `to background' something means to relegate it to a lower priority. "For now, we'll just print a ...
background2 is graph-printing problem in background." Note that this implies ongoing activity but at a reduced level or in spare time, in contrast to mainstream `back burner' (which connotes benign neglect until some future resumption of activ...
background3 is processing that they have queued up for their unconscious minds (a tack that one can often fruitfully take upon encountering an obstacle in creative work). Compare {amp off}, {slopsucker}. Technically, a task running in backgr...
background4 is was started (and often running at a lower priority); oppose {foreground}. Nowadays this term is primarily associated with {{UNIX}}, but it appears to have been first used in this sense on OS/360.
backspace and overstrike is interj. Whoa! Back up. Used to suggest that someone just said or did something wrong. Common among APL programmers.
backward combatability is /bak'w*rd k*m-bat'*-bil'*-tee/ [from `backward compatibility'] n. A property of hardware or software revisions in which previous protocols, formats, and layouts are discarded in favor of `new and improved' protocols, ...
backward combatability2 is making the transition between major releases. When the change is so drastic that the old formats are not retained in the new version, it is said to be `backward combatable'. See {flag day}.
BAD is /B-A-D/ [IBM acronym, `Broken As Designed'] adj. Said of a program that is {bogus} because of bad design and misfeatures rather than because of bugginess. See {working as designed}.
Bad Thing is [from the 1930 Sellar & Yeatman parody `1066 And All That'] n. Something that can't possibly result in improvement of the subject. This term is always capitalized, as in "Replacing all of the 9600-baud modems with bicycle courier...
Bad Thing2 is Thing}. British correspondents confirm that {Bad Thing} and {Good Thing} (and prob. therefore {Right Thing} and {Wrong Thing}) come from the book referenced in the etymology, which discusses rulers who were Good Kings but Bad ...
Bad Thing3 is mainstream idiom on the British side of the pond.
bag on the side is n. An extension to an established hack that is supposed to add some functionality to the original. Usually derogatory, implying that the original was being overextended and should have been thrown away, and the new product ...
bag on the side2 is phrase, `to hang a bag on the side [of]'. "C++? That's just a bag on the side of C ...." "They want me to hang a bag on the side of the accounting system."
bagbiter is /bag'bit-*r/ n. 1. Something, such as a program or a computer, that fails to work, or works in a remarkably clumsy manner. "This text editor won't let me make a file with a line longer than 80 characters! What a bagbiter!" 2. A ...
bagbiter2 is inadvertently or otherwise, typically by failing to program the computer properly. Synonyms {loser}, {cretin}, {chomper}. 3. adj. `bagbiting' Having the quality of a bagbiter. "This bagbiting system won't let me compute the f...
bagbiter3 is {losing}, {cretinous}, {bletcherous}, `barfucious' (under {barfulous}) and `chomping' (under {chomp}). 4. `bite the bag' vi. To fail in some manner. "The computer keeps crashing every 5 minutes." "Yes, the disk controller is ...
bagbiter4 is of these terms was almost undoubtedly obscene, possibly referring to the scrotum, but in their current usage they have become almost completely sanitized. A program called Lexiphage on the old MIT AI PDP-10 would draw on a selec...
bagbiter5 is BAG" in ornate letters, and then a pair of jaws biting pieces of it off. This is the first and to date only known example of a program *intended* to be a bagbiter.
bamf is /bamf/ 1. [from old X-Men comics] interj. Notional sound made by a person or object teleporting in or out of the hearer's vicinity. Often used in {virtual reality} (esp. {MUD}) electronic {fora} when a character wishes to make a drama...
bamf2 is magical transformation, used in virtual reality {fora} like sense 1. 3. [from `Don Washington's Survival Guide'] n. Acronym for `Bad-Ass Mother Fucker', used to refer to one of the handful of nastiest monsters on an LPMUD or other ...
banana label is n. The labels often used on the sides of {macrotape} reels, so called because they are shaped roughly like blunt-ended bananas. This term, like macrotapes themselves, is still current but visibly headed for obsolescence.
banana problem is n. [from the story of the little girl who said "I know how to spell `banana', but I don't know when to stop"]. Not knowing where or when to bring a production to a close (compare {fencepost error}). One may say `there is a ...
banana problem2 is defined or incorrect termination conditions, or in discussing the evolution of a design that may be succumbing to featuritis (see also {creeping elegance}, {creeping featuritis}). See item 176 under {HAKMEM}, which describe...
banana problem3 is implementation.bandwidth n. 1. Used by hackers in a generalization of its technical meaning as the volume of information per unit time that a computer, person, or transmission medium can handle. "Those are amazing graphics,...
banana problem4 is bandwidth, I guess." Compare {low-bandwidth}. 2. Attention span. 3. On {USENET}, a measure of network capacity that is often wasted by people complaining about how items posted by others are a waste of bandwidth.
bang is 1. n. Common spoken name for `!' (ASCII 0100001), especially when used in pronouncing a {bang path} in spoken hackish. In {elder days} this was considered a CMUish usage, with MIT and Stanford hackers preferring {excl} or {shriek}; ...
bang2 is it (esp. via the term {bang path}) and it is now certainly the most common spoken name for `!'. Note that it is used exclusively for non-emphatic written `!'; one would not say "Congratulations bang" (except possibly for humorous p...
bang3 is exact characters `foo!' one would speak "Eff oh oh bang". See {shriek}, {{ASCII}}. 2. interj. An exclamation signifying roughly "I have achieved enlightenment!", or "The dynamite has cleared out my brain!" Often used to acknowledge...
bang4 is immediately after one has been called on it.
bang on is vt. To stress-test a piece of hardware or software "I banged on the new version of the simulator all day yesterday and it didn't crash once. I guess it is ready to release." The term {pound on} is synonymous.
bang path is n. An old-style UUCP electronic-mail address specifying hops to get from some assumed-reachable location to the addressee, so called because each {hop} is signified by a {bang} sign. Thus, for example, the path ...!bigsite!foovax!...
bang path2 is to machine bigsite (presumably a well-known location accessible to everybody) and from there through the machine foovax to the account of user me on barbox. In the bad old days of not so long ago, before autorouting mailers b...
bang path3 is compound bang addresses using the { } convention (see {glob}) to give paths from *several* big machines, in the hopes that one's correspondent might be able to get mail to one of them reliably (example ...!{seismo, ut-sally, ih...
bang path4 is 10 hops were not uncommon in 1981. Late-night dial-up UUCP links would cause week-long transmission times. Bang paths were often selected by both transmission time and reliability, as messages would often get lost. See {{Inter...
banner is n. 1. The title page added to printouts by most print spoolers (see {spool}). Typically includes user or account ID information in very large character-graphics capitals. Also called a `burst page', because it indicates where to bu...
banner2 is one user's printout from the next. 2. A similar printout generated (typically on multiple pages of fan-fold paper) from user-specified text, e.g., by a program such as UNIX's `banner({1,6})'. 3. On interactive software, a first sc...
banner3 is and/or a copyright notice.
bar is /bar/ n. 1. The second metasyntactic variable, after {foo} and before {baz}. "Suppose we have two functions FOO and BAR. FOO calls BAR...." 2. Often appended to {foo} to produce {foobar}.
bare metal is n. 1. New computer hardware, unadorned with such snares and delusions as an {operating system}, an {HLL}, or even assembler. Commonly used in the phrase `programming on the bare metal', which refers to the arduous work of {bit b...
bare metal2 is for a new machine. Real bare-metal programming involves things like building boot proms and BIOS chips, implementing basic monitors used to test device drivers, and writing the assemblers that will be used to write the compil...
bare metal3 is real development environment. 2. `Programming on the bare metal' is also used to describe a style of {hand-hacking} that relies on bit-level peculiarities of a particular hardware design, esp. tricks for speed and space optim...
bare metal4 is overlapping instructions (or, as in the famous case described in appendix A, interleaving of opcodes on a magnetic drum to minimize fetch delays due to the device's rotational latency). This sort of thing has become less common...
bare metal5 is and machine resources have changed, but is still found in heavily constrained environments such as industrial embedded systems. See {real programmer}. In the world of personal computing, bare metal programming (especially in s...
bare metal6 is considered a {Good Thing}, or at least a necessary thing (because these machines have often been sufficiently slow and poorly designed to make it necessary; see {ill-behaved}). There, the term usually refers to bypassing the ...
bare metal7 is application to directly access device registers and machine addresses. "To get 19.2 kilobaud on the serial port, you need to get down to the bare metal." People who can do this sort of thing are held in high regard.
barf is /barf/ [from mainstream slang meaning `vomit'] 1. interj. Term of disgust. This is the closest hackish equivalent of the Val\-speak "gag me with a spoon". (Like, euwww!) See {bletch}. 2. vi. To say "Barf!" or emit some similar exp...
barf2 is hack and he barfed" means only that he complained about it, not that he literally vomited. 3. vi. To fail to work because of unacceptable input. May mean to give an error message. Examples "The division operation barfs if you try...
barf3 is operation checks for an attempt to divide by zero, and if one is encountered it causes the operation to fail in some unspecified, but generally obvious, manner.) "The text editor barfs if you try to read in a new file before writing o...
barf4 is Commonwealth hackish, `barf' is generally replaced by `puke' or `vom'. {barf} is sometimes also used as a metasyntactic variable, like {foo} or {bar}.
barfulation is /bar`fyoo-lay'sh*n/ interj. Variation of {barf} used around the Stanford area. An exclamation, expressing disgust. On seeing some particularly bad code one might exclaim, "Barfulation! Who wrote this, Quux?"
barfulous is /bar'fyoo-l*s/ adj. (alt. `barfucious', /bar-fyoo-sh*s/) Said of something that would make anyone barf, if only for esthetic reasons.
baroque is adj. Feature-encrusted; complex; gaudy; verging on excessive. Said of hardware or (esp.) software designs, this has many of the connotations of {elephantine} or {monstrosity} but is less extreme and not pejorative in itself. "Meta...
baroque2 is variations to its letterform output. Now *that* is baroque!" See also {rococo}.
BartleMUD is /bar'tl-muhd/ n. Any of the MUDs derived from the original MUD game by Richard Bartle (see {MUD}). BartleMUDs are noted for their (usually slightly offbeat) humor, dry but friendly syntax, and lack of adjectives in object descrip...
BartleMUD2 is `brand172', for instance (see {brand brand brand}). Some MUDders intensely dislike Bartle and this term, and prefer to speak of `MUD-1'.
BASIC is n. A programming language, originally designed for Dartmouth's experimental timesharing system in the early 1960s, which has since become the leading cause of brain-damage in proto-hackers. This is another case (like {Pascal}) of t...
BASIC2 is deliberately designed as an educational toy gets taken too seriously. A novice can write short BASIC programs (on the order of 10--20 lines) very easily; writing anything longer is (a) very painful, and (b) encourages bad habits tha...
BASIC3 is hack in a real language. This wouldn't be so bad if historical accidents hadn't made BASIC so common on low-end micros. As it is, it ruins thousands of potential wizards a year.
batch is adj. 1. Non-interactive. Hackers use this somewhat more loosely than the traditional technical definitions justify; in particular, switches on a normally interactive program that prepare it to receive non-interactive command input ar...
batch2 is switches. A `batch file' is a series of instructions written to be handed to an interactive program running in batch mode. 2. Performance of dreary tasks all at one sitting. "I finally sat down in batch mode and wrote out checks fo...
batch3 is electricity back on next week..." 3. Accumulation of a number of small tasks that can be lumped together for greater efficiency. "I'm batching up those letters to send sometime" "I'm batching up bottles to take to the recycling ce...
bathtub curve is n. Common term for the curve (resembling an end-to-end section of one of those claw-footed antique bathtubs) that describes the expected failure rate of electronics with time initially high, dropping to near 0 for most of the ...
bathtub curve2 is `tires out'. See also {burn-in period}, {infant mortality}.
baud is /bawd/ [simplified from its technical meaning] n. Bits per second. Hence kilobaud or Kbaud, thousands of bits per second. The technical meaning is `level transitions per second'; this coincides with bps only for two-level modulation w...
baud2 is are aware of these nuances but blithely ignore them.
baud barf is /bawd barf/ n. The garbage one gets on the monitor when using a modem connection with some protocol setting (esp. line speed) incorrect, or when someone picks up a voice extension on the same line, or when really bad line noise di...
baud barf2 is completely {random}, by the way; hackers with a lot of serial-line experience can usually tell whether the device at the other end is expecting a higher or lower speed than the terminal is set to. *Really* experienced ones can...
baz is /baz/ [Stanford corruption of {bar}] n. 1. The third metasyntactic variable, after {foo} and {bar} and before {quux} (or, occasionally, `qux'; or local idiosyncracies like `rag', `zowie', etc.). "Suppose we have three functions FOO,BAR...
baz2 is BAZ...." 2. interj. A term of mild annoyance. In this usage the term is often drawn out for 2 or 3 seconds, producing an effect not unlike the bleating of a sheep; /baaaaaaz/. 3. Occasionally appended to {foo} to produce `foobaz'.
bboard is /bee'bord/ [contraction of `bulletin board'] n. 1. Any electronic bulletin board; esp. used of {BBS} systems running on personal micros, less frequently of a USENET {newsgroup} (in fact, use of the term for a newsgroup generally ma...
bboard2 is BBS world or as a real old-timer predating USENET). 2. At CMU and other colleges with similar facilities, refers to campus-wide electronic bulletin boards. 3. The term `physical bboard' is sometimes used to refer to a old-fashio...
bboard3 is it refers to a particular one outside the CS Lounge. In either of senses 1 or 2, the term is usually prefixed by the name of the intended board (`the Moonlight Casino bboard' or `market bboard'); however, if the context is clear, th...
bboard4 is name alone, as in (at CMU) "Don't post for-sale ads on general".
BBS is /B-B-S/ [acronym, `Bulletin Board System'] n. An electronic bulletin board system; that is, a message database where people can log in and leave broadcast messages for others grouped (typically) into {topic group}s. Thousands of local ...
BBS2 is U.S., typically run by amateurs for fun out of their homes on MS-DOS boxes with a single modem line each. Fans of USENET and Internet or the big commercial timesharing bboards such as CompuServe and GEnie tend to consider local BBSes ...
BBS3 is but they serve a valuable function by knitting together lots of hackers and users in the personal-micro world who would otherwise be unable to exchange code at all.
beam is [from Star Trek Classic's "Beam me up, Scotty!"] vt. To transfer {softcopy} of a file electronically; most often in combining forms such as `beam me a copy' or `beam that over to his site'. Compare {blast}, {snarf}, {BLT}.
beanie key is [Mac users] n. See {command key}.
beep is n.,v. Syn. {feep}. This term seems to be preferred among micro hobbyists.
beige toaster is n. A Macintosh. See {toaster}; compare {Macintrash}, {maggotbox}.
bells and whistles is [by analogy with the toyboxes on theater organs] n. Features added to a program or system to make it more {flavorful} from a hacker's point of view, without necessarily adding to its utility for its primary function. Dis...
bells and whistles2 is to attract users. "Now that we've got the basic program working, let's go back and add some bells and whistles." No one seems to know what distinguishes a bell from a whistle.
bells, whistles, and gongs is n. A standard elaborated form of {bells and whistles}; typically said with a pronounced and ironic accent on the `gongs'.
benchmark is [techspeak] n. An inaccurate measure of computer performance. "In the computer industry, there are three kinds of lies lies, damn lies, and benchmarks." Well-known ones include Whetstone, Dhrystone, Rhealstone (see {h}), the Gab...
benchmark2 is SPECmark suite, and LINPACK. See also {machoflops}, {MIPS}.
Berkeley Quality Software is adj. (often abbreviated `BQS') Term used in a pejorative sense to refer to software that was apparently created by rather spaced-out hackers late at night to solve some unique problem. It usually has nonexistent, ...
Berkeley Quality Software2 is been tested on at least two examples, and core dumps when anyone else attempts to use it. This term was frequently applied to early versions of the `dbx(1)' debugger. See also {Berzerkeley}.
berklix is /berk'liks/ n.,adj. [contraction of `Berkeley UNIX'] See {BSD}. Not used at Berkeley itself. May be more common among {suit}s attempting to sound like cognoscenti than among hackers, who usually just say `BSD'.
berserking is vi. A {MUD} term meaning to gain points *only* by killing other players and mobiles (non-player characters). Hence, a Berserker-Wizard is a player character that has achieved enough points to become a wizard, but only by killing ...
berserking2 is frowned upon because of its inherently antisocial nature, but some MUDs have a `berserker mode' in which a player becomes *permanently* berserk, can never flee from a fight, cannot use magic, gets no score for treasure, but do...
berserking3 is wizards can seriously damage your elf!"
Berzerkeley is /b*r-zer'klee/ [from `berserk', via the name of a now-deceased record label] n. Humorous distortion of `Berkeley' used esp. to refer to the practices or products of the {BSD} UNIX hackers. See {software bloat}, {Missed'em-five}...
Berzerkeley2 is use of this term in reference to the cultural and political peculiarities of UC Berkeley as a whole has been reported from as far back as the 1960s.
beta is /bay't*/, /be't*/ or (Commonwealth) /bee't*/ n. 1. In the {Real World}, software often goes through two stages of testing Alpha (in-house) and Beta (out-house?). Software is said to be `in beta'. 2. Anything that is new and experimen...
beta2 is means that he is still testing for compatibility and reserving judgment. 3. Beta software is notoriously buggy, so `in beta' connotes flakiness. Historical note More formally, to beta-test is to test a pre-release (potentially unre...
beta3 is making it available to selected customers and users. This term derives from early 1960s terminology for product cycle checkpoints, first used at IBM but later standard throughout the industry. `Alpha Test' was the unit, module, or co...
beta4 is system test. These themselves came from earlier A- and B-tests for hardware. The A-test was a feasibility and manufacturability evaluation done before any commitment to design and development. The B-test was a demonstration that th...
beta5 is The C-test (corresponding to today's beta) was the B-test performed on early samples of the production design.
BFI is /B-F-I/ n. See {brute force and ignorance}. Also encountered in the variant `BFMI', `brute force and *massive* ignorance'.
bible is n. 1. One of a small number of fundamental source books such as {Knuth} and {K&R}. 2. The most detailed and authoritative reference for a particular language, operating system, or other complex software system.
BiCapitalization is n. The act said to have been performed on trademarks (such as NeXT, {NeWS}, VisiCalc, FrameMaker, TK!solver, EasyWriter) that have been raised above the ruck of common coinage by nonstandard capitalization. Too many {mar...
BiCapitalization2 is really cute, even the 2,317th time they do it. Compare {studlycaps}.
BIFF is /bif/ [USENET] n. The most famous {pseudo}, and the prototypical {newbie}. Articles from BIFF are characterized by all uppercase letters sprinkled liberally with bangs, typos, `cute' misspellings (EVRY BUDY LUVS GOOD OLD BIFF CUZ HE"S...
BIFF2 is IN CAPITULL LETTRS LIKE THIS!!!), use (and often misuse) of fragments of {talk mode} abbreviations, a long {sig block} (sometimes even a {doubled sig}), and unbounded na"ivet'e. BIFF posts articles using his elder brother's VIC-20....
BIFF3 is appear to come from a variety of sites. However, {BITNET} seems to be the most frequent origin. The theory that BIFF is a denizen of BITNET is supported by BIFF's (unfortunately invalid) electronic mail address BIFF@BIT.NET.
biff is /bif/ vt. To notify someone of incoming mail. From the BSD utility `biff(1)', which was in turn named after the implementor's dog (it barked whenever the mailman came). No relation to {BIFF}.
Big Gray Wall is n. What faces a {VMS} user searching for documentation. A full VMS kit comes on a pallet, the documentation taking up around 15 feet of shelf space before the addition of layered products such as compilers, databases, multive...
Big Gray Wall2 is Recent (since VMS version 5) DEC documentation comes with gray binders; under VMS version 4 the binders were orange (`big orange wall'), and under version 3 they were blue. See {VMS}.
big iron is n. Large, expensive, ultra-fast computers. Used generally of {number-crunching} supercomputers such as Crays, but can include more conventional big commercial IBMish mainframes. Term of approval; compare {heavy metal}, oppose {di...
Big Red Switch is [IBM] n. The power switch on a computer, esp. the `Emergency Pull' switch on an IBM {mainframe} or the power switch on an IBM PC where it really is large and red. "This !@%$% {bitty box} is hung again; time to hit the Big Re...
Big Red Switch2 is tune with the company's passion for {TLA}s, this is often acronymized as `BRS' (this has also become established on FidoNet and in the PC {clone} world). It is alleged that the emergency pull switch on an IBM 360/91 actuall...
Big Red Switch3 is power feed; the BRSes on more recent machines physically drop a block into place so that they can't be pushed back in. People get fired for pulling them, especially inappropriately (see also {molly-guard}). Compare {powe...
the Big Room is n. The extremely large room with the blue ceiling and intensely bright light (during the day) or black ceiling with lots of tiny night-lights (during the night) found outside all computer installations. "He can't come to the p...
big win is n. Serendipity. "Yes, those two physicists discovered high-temperature superconductivity in a batch of ceramic that had been prepared incorrectly according to their experimental schedule. Small mistake; big win!" See {win big}.
big-endian is [From Swift's `Gulliver's Travels' via the famous paper `On Holy Wars and a Plea for Peace' by Danny Cohen, USC/ISI IEN 137, dated April 1, 1980] adj. 1. Describes a computer architecture in which, within a given multi-byte numer...
big-endian2 is has the lowest address (the word is stored `big-end-first'). Most processors, including the IBM 370 family, the {PDP-10}, the Motorola microprocessor families, and most of the various RISC designs current in mid-1991, are big...
big-endian3 is {NUXI problem}. 2. An {{Internet address}} the wrong way round. Most of the world follows the Internet standard and writes email addresses starting with the name of the computer and ending up with the name of the country. I...
big-endian4 is decided to do it the other way round before the Internet domain standard was established; e.g., me@uk.ac.wigan.cs. Most gateway sites have {ad-hockery} in their mailers to handle this, but can still be confused. In particular,...
big-endian5 is (domain uk) or Czechoslovakia (domain cs).
bignum is /big'nuhm/ [orig. from MIT MacLISP] n. 1. [techspeak] A multiple-precision computer representation for very large integers. More generally, any very large number. "Have you ever looked at the United States Budget? There's bignums f...
factpacks/jargon-split.fact view on Meta::CPAN
computer geek2 is hackers; compare black-on-black usage of `nigger'. A computer geek may be either a fundamentally clueless individual or a proto-hacker in {larval stage}. Also called `turbo nerd', `turbo geek'. See also {clustergeeking},...
computron is /kom'pyoo-tron`/ n. 1. A notional unit of computing power combining instruction speed and storage capacity, dimensioned roughly in instructions-per-second times megabytes-of-main-store times megabytes-of-mass-storage. "That machi...
computron2 is enough computrons!" This usage is usually found in metaphors that treat computing power as a fungible commodity good, like a crop yield or diesel horsepower. See {bitty box}, {Get a real computer!}, {toy}, {crank}. 2. A mythi...
computron3 is quantity of computation or information, in much the same way that an electron bears one unit of electric charge (see also {bogon}). An elaborate pseudo-scientific theory of computrons has been developed based on the physical f...
computron4 is more rapidly as it is heated. It is argued that an object melts because the molecules have lost their information about where they are supposed to be (that is, they have emitted computrons). This explains why computers get so ho...
computron5 is computrons. Conversely, it should be possible to cool down an object by placing it in the path of a computron beam. It is believed that this may also explain why machines that work at the factory fail in the computer room the ...
computron6 is other hardware. (This theory probably owes something to the "Warlock" stories by Larry Niven, the best known being "What Good is a Glass Dagger?", in which magic is fueled by an exhaustible natural resource called `mana'.)
condition out is vt. To prevent a section of code from being compiled by surrounding it with a conditional-compilation directive whose condition is always false. The {canonical} examples are `#if 0' (or `#ifdef notdef', though some find this ...
condom is n. 1. The protective plastic bag that accompanies 3.5-inch microfloppy diskettes. Rarely, also used of (paper) disk envelopes. Unlike the write protect tab, the condom (when left on) not only impedes the practice of {SEX} but has al...
condom2 is drive mechanisms attempt to access the disk --- and can even fatally frustrate insertion. 2. The protective cladding on a {light pipe}.
connector conspiracy is [probably came into prominence with the appearance of the KL-10 (one model of the {PDP-10}), none of whose connectors matched anything else] n. The tendency of manufacturers (or, by extension, programmers or purveyors o...
connector conspiracy2 is that don't fit together with the old stuff, thereby making you buy either all new stuff or expensive interface devices. The KL-10 Massbus connector was actually *patented* by DEC, which reputedly refused to license ...
connector conspiracy3 is parties out of competition for the lucrative Massbus peripherals market. This is a source of never-ending frustration for the diehards who maintain older PDP-10 or VAX systems. Their CPUs work fine, but they are st...
connector conspiracy4 is drives with low capacity and high power requirements. In these latter days of open-systems computing this term has fallen somewhat into disuse, to be replaced by the observation that "Standards are great! There are ...
cons is /konz/ or /kons/ [from LISP] 1. vt. To add a new element to a specified list, esp. at the top. "OK, cons picking a replacement for the console TTY onto the agenda." 2. `cons up' vt. To synthesize from smaller pieces "to cons up an ex...
cons2 is fundamental operation for building structures. It takes any two objects and returns a `dot-pair' or two-branched tree with one object hanging from each branch. Because the result of a cons is an object, it can be used to build bin...
cons3 is think of it as a sort of universal constructor, and that is where the jargon meanings spring from.
considered harmful is adj. Edsger W. Dijkstra's note in the March 1968 `Communications of the ACM', "Goto Statement Considered Harmful", fired the first salvo in the structured programming wars. Amusingly, the ACM considered the resulting a...
considered harmful2 is policy) no longer print an article taking so assertive a position against a coding practice. In the ensuing decades, a large number of both serious papers and parodies have borne titles of the form "X considered Y". ...
considered harmful3 is over with the realization that both sides were wrong, but use of such titles has remained as a persistent minor in-joke (the `considered silly' found at various places in this lexicon is related).
console is n. 1. The operator's station of a {mainframe}. In times past, this was a privileged location that conveyed godlike powers to anyone with fingers on its keys. Under UNIX and other modern timesharing OSes, such privileges are guarde...
console2 is just the {tty} the system was booted from. Some of the mystique remains, however, and it is traditional for sysadmins to post urgent messages to all users from the console (on UNIX, /dev/console). 2. On microcomputer UNIX boxes, ...
console3 is character-only terminals talking to a serial port). Typically only the console can do real graphics or run {X}. See also {CTY}.
console jockey is n. See {terminal junkie}.
content-free is [by analogy with techspeak `context-free'] adj. Used of a message that adds nothing to the recipient's knowledge. Though this adjective is sometimes applied to {flamage}, it more usually connotes derision for communication styl...
content-free2 is centered on concerns irrelevant to the subject ostensibly at hand. Perhaps most used with reference to speeches by company presidents and other professional manipulators. "Content-free? Uh...that's anything printed on glossy...
content-free3 is "He gave a talk on the implications of electronic networks for postmodernism and the fin-de-siecle aesthetic. It was content-free."
control-C is vi. 1. "Stop whatever you are doing." From the interrupt character used on many operating systems to abort a running program. Considered silly. 2. interj. Among BSD UNIX hackers, the canonical humorous response to "Give me a br...
control-O is vi. "Stop talking." From the character used on some operating systems to abort output but allow the program to keep on running. Generally means that you are not interested in hearing anything more from that person, at least on t...
control-O2 is who is flaming. Considered silly.
control-Q is vi. "Resume." From the ASCII XON character used to undo a previous control-S (in fact it is also pronounced XON /X-on/).
control-S is vi. "Stop talking for a second." From the ASCII XOFF character (this is also pronounced XOFF /X-of/). Control-S differs from {control-O} in that the person is asked to stop talking (perhaps because you are on the phone) but will...
control-S2 is listen to him --- as opposed to control-O, which has more of the meaning of "Shut up." Considered silly.
Conway's Law is prov. The rule that the organization of the software and the organization of the software team will be congruent; originally stated as "If you have four groups working on a compiler, you'll get a 4-pass compiler". This was or...
Conway's Law2 is early proto-hacker who wrote an assembler for the Burroughs 220 called SAVE. The name `SAVE' didn't stand for anything; it was just that you lost fewer card decks and listings because they all had SAVE written on them.
cookbook is [from amateur electronics and radio] n. A book of small code segments that the reader can use to do various {magic} things in programs. One current example is the `PostScript Language Tutorial and Cookbook' by Adobe Systems, Inc ...
cookbook2 is has recipes for things like wrapping text around arbitrary curves and making 3D fonts. Cookbooks, slavishly followed, can lead one into {voodoo programming}, but are useful for hackers trying to {monkey up} small programs in unk...
cookbook3 is of phrasebooks in human languages.
cookie is n. A handle, transaction ID, or other token of agreement between cooperating programs. "I give him a packet, he gives me back a cookie." The claim check you get from a dry-cleaning shop is a perfect mundane example of a cookie; the...
cookie2 is later transaction to this one (so you get the same clothes back). Compare {magic cookie}; see also {fortune cookie}.
cookie bear is n. Syn. {cookie monster}.
cookie file is n. A collection of {fortune cookie}s in a format that facilitates retrieval by a fortune program. There are several different ones in public distribution, and site admins often assemble their own from various sources including ...
cookie monster is [from "Sesame Street"] n. Any of a family of early (1970s) hacks reported on {{TOPS-10}}, {{ITS}}, {{Multics}}, and elsewhere that would lock up either the victim's terminal (on a time-sharing machine) or the {{console}} (on ...
cookie monster2 is "I WANT A COOKIE". The required responses ranged in complexity from "COOKIE" through "HAVE A COOKIE" and upward. See also {wabbit}.
copper is n. Conventional electron-carrying network cable with a core conductor of copper --- or aluminum! Opposed to {light pipe} or, say, a short-range microwave link.
copy protection is n. A class of clever methods for preventing incompetent pirates from stealing software and legitimate customers from using it. Considered silly.
copybroke is /ko'pee-brohk/ adj. [play on `copyright'] Used to describe an instance of a copy-protected program that has been `broken'; that is, a copy with the copy-protection scheme disabled. Syn. {copywronged}.
copyleft is /kop'ee-left/ [play on `copyright'] n. 1. The copyright notice (`General Public License') carried by {GNU} {EMACS} and other Free Software Foundation software, granting reuse and reproduction rights to all comers (but see also {Gen...
copyleft2 is copyright notice intended to achieve similar aims.
copywronged is /ko'pee-rongd/ [play on `copyright'] adj. Syn. for {copybroke}.
core is n. Main storage or RAM. Dates from the days of ferrite-core memory; now archaic as techspeak most places outside IBM, but also still used in the UNIX community and by old-time hackers or those who would sound like them. Some derived ...
core2 is example, means `in memory' (as opposed to `on disk'), and both {core dump} and the `core image' or `core file' produced by one are terms in favor. Commonwealth hackish prefers {store}.
core dump is n. [common {Iron Age} jargon, preserved by UNIX] 1. [techspeak] A copy of the contents of {core}, produced when a process is aborted by certain kinds of internal error. 2. By extension, used for humans passing out, vomiting, or r...
core dump2 is All over the floor. What a mess." "He heard about X and dumped core." 3. Occasionally used for a human rambling on pointlessly at great length; esp. in apology "Sorry, I dumped core on you". 4. A recapitulation of knowledge...
core dump3 is one knows about a topic, esp. in a lecture or answer to an exam question. "Short, concise answers are better than core dumps" (from the instructions to an exam at Columbia; syn. {brain dump}). See {core}.
core leak is n. Syn. {memory leak}.
Core Wars is n. A game between `assembler' programs in a simulated machine, where the objective is to kill your opponent's program by overwriting it. Popularized by A. K. Dewdney's column in `Scientific American' magazine, this was actually ...
Core Wars2 is and Dennis Ritchie in the early 1960s (their original game was called `Darwin' and ran on a PDP-1 at Bell Labs). See {core}.
corge is /korj/ [originally, the name of a cat] n. Yet another meta-syntactic variable, invented by Mike Gallaher and propagated by the {GOSMACS} documentation. See {grault}.
cosmic rays is n. Notionally, the cause of {bit rot}. However, this is a semi-independent usage that may be invoked as a humorous way to {handwave} away any minor {randomness} that doesn't seem worth the bother of investigating. "Hey, Eric -...
cosmic rays2 is {tube}, where did that come from?" "Cosmic rays, I guess." Compare {sunspots}, {phase of the moon}. The British seem to prefer the usage `cosmic showers'; `alpha particles' is also heard, because stray alpha particles passin...
cosmic rays3 is errors (this becomes increasingly more likely as memory sizes and densities increase). Factual note Alpha particles cause bit rot, cosmic rays do not (except occasionally in spaceborne computers). Intel could not explain ran...
cosmic rays4 is hypothesis was cosmic rays. So they created the World's Largest Lead Safe, using 25 tons of the stuff, and used two identical boards for testing. One was placed in the safe, one outside. The hypothesis was that if cosmic r...
cosmic rays5 is a statistically significant difference between the error rates on the two boards. They did not observe such a difference. Further investigation demonstrated conclusively that the bit drops were due to alpha particle emissio...
cosmic rays6 is uranium) in the encapsulation material. Since it is impossible to eliminate these radioactives (they are uniformly distributed through the earth's crust, with the statistically insignificant exception of uranium lodes) it beca...
cosmic rays7 is to withstand these hits.
cough and die is v. Syn. {barf}. Connotes that the program is throwing its hands up by design rather than because of a bug or oversight. "The parser saw a control-A in its input where it was looking for a printable, so it coughed and died."
cowboy is [Sun, from William Gibson's {cyberpunk} SF] n. Synonym for {hacker}. It is reported that at Sun this word is often said with reverence.
CP/M is /C-P-M/ n. [Control Program for Microcomputers] An early microcomputer {OS} written by hacker Gary Kildall for 8080- and Z80-based machines, very popular in the late 1970s but virtually wiped out by MS-DOS after the release of the IBM ...
CP/M2 is company blew its chance to write the OS for the IBM PC because Kildall decided to spend a day IBM's reps wanted to meet with him enjoying the perfect flying weather in his private plane. Many of CP/M's features and conventions stro...
CP/M3 is systems such as {{TOPS-10}}, OS/8, RSTS, and RSX-11. See {{MS-DOS}}, {operating system}.
CPU Wars is /C-P-U worz/ n. A 1979 large-format comic by Chas Andres chronicling the attempts of the brainwashed androids of IPM (Impossible to Program Machines) to conquer and destroy the peaceful denizens of HEC (Human Engineered Computers)....
CPU Wars2 is many references to {ADVENT} and the immortal line "Eat flaming death, minicomputer mongrels!" (uttered, of course, by an IPM stormtrooper). It is alleged that the author subsequently received a letter of appreciation on IBM com...
CPU Wars3 is J. Watson Research Laboratories (then, as now, one of the few islands of true hackerdom in the IBM archipelago). The lower loop of the B in the IBM logo, it is said, had been carefully whited out. See {eat flaming death}.
cracker is n. One who breaks security on a system. Coined ca. 1985 by hackers in defense against journalistic misuse of {hacker} (q.v., sense 8). An earlier attempt to establish `worm' in this sense around 1981--82 on USENET was largely a fa...
crank is [from automotive slang] vt. Verb used to describe the performance of a machine, especially sustained performance. "This box cranks (or, cranks at) about 6 {megaflops}, with a burst mode of twice that on vectorized operations."
crash is 1. n. A sudden, usually drastic failure. Most often said of the {system} (q.v., sense 1), sometimes of magnetic disk drives. "Three {luser}s lost their files in last night's disk crash." A disk crash that involves the read/write he...
crash2 is and scraping off the oxide may also be referred to as a `head crash', whereas the term `system crash' usually, though not always, implies that the operating system or other software was at fault. 2. v. To fail suddenly. "Has the s...
crash3 is OS!" See {down}. Also used transitively to indicate the cause of the crash (usually a person or a program, or both). "Those idiots playing {SPACEWAR} crashed the system." 3. vi. Sometimes said of people hitting the sack after a l...
crash and burn is vi.,n. A spectacular crash, in the mode of the conclusion of the car-chase scene in the movie "Bullitt" and many subsequent imitators. Sun-3 monitors losing the flyback transformer and lightning strikes on VAX-11/780 backpla...
crash and burn2 is The construction `crash-and-burn machine' is reported for a computer used exclusively for alpha or {beta} testing, or reproducing bugs (i.e., not for development). The implication is that it wouldn't be such a disaster if...
crash and burn3 is would be inconvenienced.
crawling horror is n. Ancient crufty hardware or software that is kept obstinately alive by forces beyond the control of the hackers at a site. Like {dusty deck} or {gonkulator}, but connotes that the thing described is not just an irritation...
crawling horror2 is "Mostly we code new stuff in C, but they pay us to maintain one big FORTRAN II application from nineteen-sixty-X that's a real crawling horror...." Compare {WOMBAT}.
cray is /kray/ n. 1. (properly, capitalized) One of the line of supercomputers designed by Cray Research. 2. Any supercomputer at all. 3. The {canonical} {number-crunching} machine. The term is actually the lowercased last name of Seymour Cr...
cray2 is co-founder of the company. Numerous vivid legends surround him, some true and some admittedly invented by Cray Research brass to shape their corporate culture and image.
cray instability is n. A shortcoming of a program or algorithm that manifests itself only when a large problem is being run on a powerful machine (see {cray}). Generally more subtle than bugs that can be detected in smaller problems running o...
crayola is /kray-oh'l*/ n. A super-mini or -micro computer that provides some reasonable percentage of supercomputer performance for an unreasonably low price. Might also be a {killer micro}.
crayon is n. 1. Someone who works on Cray supercomputers. More specifically, it implies a programmer, probably of the CDC ilk, probably male, and almost certainly wearing a tie (irrespective of gender). Systems types who have a UNIX backgrou...
crayon2 is A {computron} (sense 2) that participates only in {number-crunching}. 3. A unit of computational power equal to that of a single Cray-1. There is a standard joke about this that derives from an old Crayola crayon promotional gim...
creationism is n. The (false) belief that large, innovative designs can be completely specified in advance and then painlessly magicked out of the void by the normal efforts of a team of normally talented programmers. In fact, experience has ...
creationism2 is only from evolutionary, exploratory interaction between one (or at most a small handful of) exceptionally able designer(s) and an active user population --- and that the first try at a big new idea is always wrong. Unfortunat...
creationism3 is planning models beloved of {management}, they are generally ignored.
creeping elegance is n. Describes a tendency for parts of a design to become {elegant} past the point of diminishing return. This often happens at the expense of the less interesting parts of the design, the schedule, and other things deemed ...
creeping elegance2 is {creeping featurism}, {second-system effect}, {tense}.
creeping featurism is /kree'ping fee'chr-izm/ n. 1. Describes a systematic tendency to load more {chrome} and {feature}s onto systems at the expense of whatever elegance they may have possessed when originally designed. See also {feeping crea...
creeping featurism2 is {BSD} UNIX has always been creeping featurism." 2. More generally, the tendency for anything complicated to become even more complicated because people keep saying "Gee, it would be even better if it had this feature ...
creeping featurism3 is a patchwork because it grew one ad-hoc step at a time, rather than being planned. Planning is a lot of work, but it's easy to add just one extra little feature to help someone ... and then another ... and another.... ...
creeping featurism4 is like a cancer. Usually this term is used to describe computer programs, but it could also be said of the federal government, the IRS 1040 form, and new cars. A similar phenomenon sometimes afflicts conscious redesign...
creeping featuritis is /kree'ping fee'-chr-i`t*s/ n. Variant of {creeping featurism}, with its own spoonerization `feeping creaturitis'. Some people like to reserve this form for the disease as it actually manifests in software or hardware, a...
creeping featuritis2 is designers' minds. (After all, -ism means `condition' or `pursuit of', whereas -itis usually means `inflammation of'.)
cretin is /kret'n/ or /kree'tn/ n. Congenital {loser}; an obnoxious person; someone who can't do anything right. It has been observed that many American hackers tend to favor the British pronunciation /kre'tn/ over standard American /kree'tn/...
cretin2 is insidious phonetic influence of Monty Python's Flying Circus.
cretinous is /kret'n-*s/ or /kreet'n-*s/ adj. Wrong; stupid; non-functional; very poorly designed. Also used pejoratively of people. See {dread high-bit disease} for an example. Approximate synonyms {bletcherous}, `bagbiting' (see {bagbite...
crippleware is n. 1. Software that has some important functionality deliberately removed, so as to entice potential users to pay for a working version. 2. [Cambridge] {Guiltware} that exhorts you to donate to some charity (compare {careware})...
crippleware2 is can be upgraded to a more expensive model by a trivial change (e.g., cutting a jumper).
critical mass is n. In physics, the minimum amount of fissionable material required to sustain a chain reaction. Of a software product, describes a condition of the software such that fixing one bug introduces one plus {epsilon} bugs. When s...
critical mass2 is be discarded and rewritten.
crlf is /ker'l*f/, sometimes /kru'l*f/ or /C-R-L-F/ n. (often capitalized as `CRLF') A carriage return (CR) followed by a line feed (LF). More loosely, whatever it takes to get you from the end of one line of text to the beginning of the next...
crlf2 is {{UNIX}} influence this usage has become less common (UNIX uses a bare line feed as its `CRLF').
crock is [from the obvious mainstream scatologism] n. 1. An awkward feature or programming technique that ought to be made cleaner. Using small integers to represent error codes without the program interpreting them to the user (as in, for exa...
crock2 is for a process that dies due to {segfault}). 2. A technique that works acceptably, but which is quite prone to failure if disturbed in the least, for example depending on the machine opcodes having particular bit patterns so that y...
crock3 is tightly woven, almost completely unmodifiable structure. See {kluge}, {brittle}. Also in the adjectives `crockish' and `crocky', and the nouns `crockishness' and `crockitude'.
cross-post is [USENET] vi. To post a single article simultaneously to several newsgroups. Distinguished from posting the article repeatedly, once to each newsgroup, which causes people to see it multiple times (this is very bad form). Gratui...
cross-post2 is line directing responses to a single followup group is frowned upon, as it tends to cause {followup} articles to go to inappropriate newsgroups when people respond to only one part of the original posting.
crudware is /kruhd'weir/ n. Pejorative term for the hundreds of megabytes of low-quality {freeware} circulated by user's groups and BBS systems in the micro-hobbyist world. "Yet *another* set of disk catalog utilities for {{MS-DOS}}? What cr...
cruft is /kruhft/ [back-formation from {crufty}] 1. n. An unpleasant substance. The dust that gathers under your bed is cruft; the TMRC Dictionary correctly noted that attacking it with a broom only produces more. 2. n. The results of shoddy...
cruft2 is pun on `hand craft'] To write assembler code for something normally (and better) done by a compiler (see {hand-hacking}). 4. n. Excess; superfluous junk. Esp. used of redundant or superseded code.
cruft together is vt. (also `cruft up') To throw together something ugly but temporarily workable. Like vt. {kluge up}, but more pejorative. "There isn't any program now to reverse all the lines of a file, but I can probably cruft one togeth...
cruft together2 is together}, {hack up}, {kluge up}, {crufty}.
cruftsmanship is /kruhfts'm*n-ship / n. [from {cruft}] The antithesis of craftsmanship.
factpacks/jargon-split.fact view on Meta::CPAN
dot file is [UNIX] n. A file which is not visible to normal directory-browsing tools (on UNIX, files named with a leading dot are, by convention, not normally presented in directory listings). Many programs define one or more dot files in whic...
dot file2 is be optionally recorded; a user can customize the program's behavior by creating the appropriate file in the current or home directory. See also {rc file}.
double bucky is adj. Using both the CTRL and META keys. "The command to burn all LEDs is double bucky F." This term originated on the Stanford extended-ASCII keyboard, and was later taken up by users of the {space-cadet keyboard} at MIT. A...
double bucky2 is {bucky bits} (control and meta shifting keys) were nice, but there weren't enough of them; you could type only 512 different characters on a Stanford keyboard. An obvious way to address this was simply to add more shifting ...
double bucky3 is keyboard with that many shifting keys is hard on touch-typists, who don't like to move their hands away from the home position on the keyboard. It was half-seriously suggested that the extra shifting keys be implemented as pe...
double bucky4 is much like playing a full pipe organ. This idea is mentioned in a parody of a very fine song by Jeffrey Moss called "Rubber Duckie", which was published in `The Sesame Street Songbook' (Simon and Schuster 1971, ISBN 671-21036-...
double bucky5 is 1978, in celebration of the Stanford keyboard See also {meta bit}, {cokebottle}, and {quadruple bucky}.
double DECkers is n. Used to describe married couples in which both partners work for Digital Equipment Corporation.
doubled sig is [USENET] n. A {sig block} that has been included twice in a {USENET} article or, less commonly, in an electronic mail message. An article or message with a doubled sig can be caused by improperly configured software. More ofte...
doubled sig2 is experience in electronic communication. See {BIFF}, {pseudo}.
down is 1. adj. Not operating. "The up escalator is down" is considered a humorous thing to say, and "The elevator is down" always means "The elevator isn't working" and never refers to what floor the elevator is on. With respect to computer...
down2 is mainstream; the extension to other kinds of machine is still hackish. 2. `go down' vi. To stop functioning; usually said of the {system}. The message from the {console} that every hacker hates to hear from the operator is "The sys...
down3 is down', `bring down' vt. To deactivate purposely, usually for repair work or {PM}. "I'm taking the system down to work on that bug in the tape drive." Occasionally one hears the word `down' by itself used as a verb in this vt. sens...
download is vt. To transfer data or (esp.) code from a larger `host' system (esp. a {mainframe}) over a digital comm link to a smaller `client' system, esp. a microcomputer or specialized peripheral. Oppose {upload}. However, note that groun...
download2 is rule for this term. Space-to-earth transmission is always download and the reverse upload regardless of the relative size of the computers involved. So far the in-space machines have invariably been smaller; thus the upload/down...
DP is /D-P/ n. 1. Data Processing. Listed here because, according to hackers, use of the term marks one immediately as a {suit}. See {DPer}. 2. Common abbrev for {Dissociated Press}.
DPB is /d*-pib'/ [from the PDP-10 instruction set] vt. To plop something down in the middle. Usage silly. "DPB yourself into that couch there." The connotation would be that the couch is full except for one slot just big enough for you to ...
DPB2 is the name of a PDP-10 instruction that inserts some bits into the middle of some other bits. This usage has been kept alive by the Common LISP function of the same name.
DPer is /dee-pee-er/ n. Data Processor. Hackers are absolutely amazed that {suit}s use this term self-referentially. "*Computers* process data, not people!" See {DP}.
dragon is n. [MIT] A program similar to a {daemon}, except that it is not invoked at all, but is instead used by the system to perform various secondary tasks. A typical example would be an accounting program, which keeps track of who is logg...
dragon2 is etc. Under ITS, many terminals displayed a list of people logged in, where they were, what they were running, etc., along with some random picture (such as a unicorn, Snoopy, or the Enterprise), which was generated by the `name d...
dragon3 is and most other OSes this would be called a `background demon' or {daemon}. The best-known UNIX example of a dragon is `cron(1)'. At SAIL, they called this sort of thing a `phantom'.
Dragon Book is n. The classic text `Compilers Principles, Techniques and Tools', by Alfred V. Aho, Ravi Sethi, and Jeffrey D. Ullman (Addison-Wesley 1986; ISBN 0-201-10088-6), so called because of the cover design featuring a dragon labeled `c...
Dragon Book2 is bearing the lance `LALR parser generator' among his other trappings. This one is more specifically known as the `Red Dragon Book' (1986); an earlier edition, sans Sethi and titled `Principles Of Compiler Design' (Alfred V. A...
Dragon Book3 is ISBN 0-201-00022-9), was the `Green Dragon Book' (1977). (Also `New Dragon Book', `Old Dragon Book'.) The horsed knight and the Green Dragon were warily eying each other at a distance; now the knight is typing (wearing gaun...
Dragon Book4 is representation of the Red Dragon's head while the rest of the beast extends back in normal space. See also {{book titles}}.
drain is [IBM] v. Syn. for {flush} (sense 2). Has a connotation of finality about it; one speaks of draining a device before taking it offline.
dread high-bit disease is n. A condition endemic to PRIME (a.k.a. PR1ME) minicomputers that results in all the characters having their high (0x80) bit ON rather than OFF. This of course makes transporting files to other systems much more diff...
dread high-bit disease2 is devices. It is reported that PRIME adopted the reversed-8-bit convention in order to save 25 cents per serial line per machine. This probably qualifies as one of the most {cretinous} design tradeoffs ever made. Se...
dread high-bit disease3 is (including the Atari 800) have exhibited similar brain damage.
DRECNET is /drek'net/ [from Yiddish/German `dreck', meaning dirt] n. Deliberate distortion of DECNET, a networking protocol used in the {VMS} community. So called because DEC helped write the Ethernet specification and then (either stupidly o...
DRECNET2 is violated that spec in the design of DRECNET in a way that made it incompatible. See also {connector conspiracy}.
driver is n. 1. The {main loop} of an event-processing program; the code that gets commands and dispatches them for execution. 2. [techspeak] In `device driver', code designed to handle a particular peripheral device such as a magnetic disk or...
driver2 is `driver' also means a program that translates some device-independent or other common format to something a real device can actually understand.
droid is n. A person (esp. a low-level bureaucrat or service-business employee) exhibiting most of the following characteristics (a) na"ive trust in the wisdom of the parent organization or `the system'; (b) a propensity to believe obvious n...
droid2 is computers!); blind faith; (c) a rule-governed mentality, one unwilling or unable to look beyond the `letter of the law' in exceptional situations; and (d) no interest in fixing that which is broken; an "It's not my job, man" attitu...
droid3 is supermarket checkout assistant and bank clerk; the syndrome is also endemic in low-level government employees. The implication is that the rules and official procedures constitute software that the droid is executing. This become...
droid4 is properly debugged. The term `droid mentality' is also used to describe the mindset behind this behavior. Compare {suit}, {marketroid}; see {-oid}.
drool-proof paper is n. Documentation that has been obsessively {dumbed down}, to the point where only a {cretin} could bear to read it, is said to have succumbed to the `drool-proof paper syndrome' or to have been `written on drool-proof pape...
drool-proof paper2 is from Apple's LaserWriter manual "Do not expose your LaserWriter to open fire or flame."
drop on the floor is vt. To react to an error condition by silently discarding messages or other valuable data. "The gateway ran out of memory, so it just started dropping packets on the floor." Also frequently used of faulty mail and netnew...
drop on the floor2 is {black hole}, {bit bucket}.
drop-ins is [prob. by analogy with {drop-outs}] n. Spurious characters appearing on a terminal or console as a result of line noise or a system malfunction of some sort. Esp. used when these are interspersed with one's own typed input. Compa...
drop-outs is n. 1. A variety of `power glitch' (see {glitch}); momentary 0 voltage on the electrical mains. 2. Missing characters in typed input due to software malfunction or system saturation (this can happen under UNIX when a bad connectio...
drop-outs2 is spurious character interrupts). 3. Mental glitches; used as a way of describing those occasions when the mind just seems to shut down for a couple of beats. See {glitch}, {fried}.
drugged is adj. (also `on drugs') 1. Conspicuously stupid, heading toward {brain-damaged}. Often accompanied by a pantomime of toking a joint (but see appendix B). 2. Of hardware, very slow relative to normal performance.
drunk mouse syndrome is n. A malady exhibited by the mouse pointing device of some computers. The typical symptom is for the mouse cursor on the screen to move in random directions and not in sync with the motion of the actual mouse. Can usu...
drunk mouse syndrome2 is and plugging it back again. Another recommended fix for optical mice is to rotate your mouse pad 90 degrees. At Xerox PARC in the 1970s, most people kept a can of copier cleaner (isopropyl alcohol) at their desks. ...
drunk mouse syndrome3 is up enough {cruft} to be unreliable, the mouse was doused in cleaner, which restored it for a while. However, this operation left a fine residue that accelerated the accumulation of cruft, so the dousings became more a...
drunk mouse syndrome4 is declared `alcoholic' and sent to the clinic to be dried out in a CFC ultrasonic bath.
dumbass attack is /duhm'as *-tak'/ [Purdue] n. Notional cause of a novice's mistake made by the experienced, especially one made while running as root under UNIX, e.g., typing `rm -r *' or `mkfs' on a mounted file system. Compare {adger}.
dumbed down is adj. Simplified, with a strong connotation of *over*simplified. Often, a {marketroid} will insist that the interfaces and documentation of software be dumbed down after the designer has burned untold gallons of midnight oil mak...
dump is n. 1. An undigested and voluminous mass of information about a problem or the state of a system, especially one routed to the slowest available output device (compare {core dump}), and most especially one consisting of hex or octal {ru...
dump2 is memory, mass storage, or some file. In {elder days}, debugging was generally done by `groveling over' a dump (see {grovel}); increasing use of high-level languages and interactive debuggers has made this uncommon, and the term `dump'...
dump3 is backup. This usage is typical only at large timesharing installations.
dup killer is /d[y]oop kill'r/ [FidoNet] n. Software that is supposed to detect and delete duplicates of a message that may have reached the FidoNet system via different routes.
dup loop is /d[y]oop loop/ (also `dupe loop') [FidoNet] n. An incorrectly configured system or network gateway may propagate duplicate messages on one or more {echo}es, with different identification information that renders {dup killer}s ine...
dup loop2 is eventually reaches a system through which it has already passed (with the original identification information), all systems passed on the way back to that system are said to be involved in a {dup loop}.
dusty deck is n. Old software (especially applications) which one is obliged to remain compatible with (or to maintain). The term implies that the software in question is a holdover from card-punch days. Used esp. when referring to old scien...
dusty deck2 is of which was written in FORTRAN and very poorly documented but is believed to be too expensive to replace. See {fossil}.
DWIM is /dwim/ [acronym, `Do What I Mean'] 1. adj. Able to guess, sometimes even correctly, the result intended when bogus input was provided. 2. n.,obs. The BBNLISP/INTERLISP function that attempted to accomplish this feat by correcting many ...
DWIM2 is Occasionally, an interjection hurled at a balky computer, esp. when one senses one might be tripping over legalisms (see {legalese}). Warren Teitelman originally wrote DWIM to fix his typos and spelling errors, so it was somewhat id...
DWIM3 is make hash of anyone else's typos if they were stylistically different. This led a number of victims of DWIM to claim the acronym stood for `Damn Warren's Infernal Machine!'. In one notorious incident, Warren added a DWIM feature to t...
DWIM4 is One day another hacker there typed `delete *$' to free up some disk space. (The editor there named backup files by appending `$' to the original file name, so he was trying to delete any backup files left over from old editing sess...
DWIM5 is editor backup files, so DWIM helpfully reported `*$ not found, assuming you meant 'delete *'.' It then started to delete all the files on the disk! The hacker managed to stop it with a {Vulcan nerve pinch} after only a half dozen ...
DWIM6 is said he had been sorely tempted to go to Warren's office, tie Warren down in his chair in front of his workstation, and then type `delete *$' twice. DWIM is often suggested in jest as a desired feature for a complex program; it is a...
DWIM7 is instruction the ideal computer would have. Back when proofs of program correctness were in vogue, there were also jokes about `DWIMC' (Do What I Mean, Correctly). A related term, more often seen as a verb, is DTRT (Do The Right Thin...
dynner is /din'r/ 32 bits, by analogy with {nybble} and {{byte}}. Usage rare and extremely silly. See also {playte}, {tayste}, {crumb}.*earthquake [IBM] n. The ultimate real-world shock test for computer hardware. Hackish sources at IBM deny th...
dynner2 is initiated by the company to test quality-assurance procedures at its California plants.
Easter egg is n. 1. A message hidden in the object code of a program as a joke, intended to be found by persons disassembling or browsing the code. 2. A message, graphic, or sound effect emitted by a program (or, on a PC, the BIOS ROM) in res...
Easter egg2 is or keystrokes, intended as a joke or to display program credits. One well-known early Easter egg found in a couple of OSes caused them to respond to the command `make love' with `not war?'. Many personal computers have much ...
Easter egg3 is lists of the developers' names, political exhortations, snatches of music, and (in one case) graphics images of the entire development team.
Easter egging is [IBM] n. The act of replacing unrelated parts more or less at random in hopes that a malfunction will go away. Hackers consider this the normal operating mode of {field circus} techs and do not love them for it. Compare {sho...
eat flaming death is imp. A construction popularized among hackers by the infamous {CPU Wars} comic; supposed to derive from a famously turgid line in a WWII-era anti-Nazi propaganda comic that ran "Eat flaming death, non-Aryan mongrels!" or s...
eat flaming death2 is reported that the Firesign Theater's 1975 album "In The Next World, You're On Your Own" included the phrase "Eat flaming death, fascist media pigs"; this may have been an influence). Used in humorously overblown expressi...
EBCDIC is /eb's*-dik/, /eb'see`dik/, or /eb'k*-dik/ [acronym, Extended Binary Coded Decimal Interchange Code] n. An alleged character set used on IBM {dinosaur}s. It exists in at least six mutually incompatible versions, all featuring such de...
EBCDIC2 is and the absence of several ASCII punctuation characters fairly important for modern computer languages (exactly which characters are absent varies according to which version of EBCDIC you're looking at). IBM adapted EBCDIC from {...
EBCDIC3 is promulgated it as a customer-control tactic (see {connector conspiracy}), spurning the already established ASCII standard. Today, IBM claims to be an open-systems company, but IBM's own description of the EBCDIC variants and how ...
EBCDIC4 is classified top-secret, burn-before-reading. Hackers blanch at the very *name* of EBCDIC and consider it a manifestation of purest {evil}. See also {fear and loathing}.
echo is [FidoNet] n. A {topic group} on {FidoNet}'s echomail system. Compare {newsgroup}.
eighty-column mind is [IBM] n. The sort said to be possessed by persons for whom the transition from {punched card} to tape was traumatic (nobody has dared tell them about disks yet). It is said that these people, including (according to an o...
eighty-column mind2 is `face down, 9-edge first' (the 9-edge being the bottom of the card). This directive is inscribed on IBM's 1422 and 1602 card readers and is referenced in a famous bit of doggerel called "The Last Bug", the climactic lin...
eighty-column mind3 is the console Of hunger and thirst. Next day he was buried, Face down, 9-edge first. The eighty-column mind is thought by most hackers to dominate IBM's customer base and its thinking. See {IBM}, {fear ...
El Camino Bignum is /el' k*-mee'noh big'nuhm/ n. The road mundanely called El Camino Real, a road through the San Francisco peninsula that originally extended all the way down to Mexico City and many portions of which are still intact. Naviga...
El Camino Bignum2 is usually done relative to El Camino Real, which defines {logical} north and south even though it isn't really north-south many places. El Camino Real runs right past Stanford University and so is familiar to hackers. The...
El Camino Bignum3 is /ray-ahl'/) means `royal'; El Camino Real is `the royal road'. In the FORTRAN language, a `real' quantity is a number typically precise to 7 significant digits, and a `double precision' quantity is a larger floating-poi...
El Camino Bignum4 is significant digits (other languages have similar `real' types). When a hacker from MIT visited Stanford in 1976, he remarked what a long road El Camino Real was. Making a pun on `real', he started calling it `El Camino ...
El Camino Bignum5 is told that the road was hundreds of miles long, he renamed it `El Camino Bignum', and that name has stuck. (See {bignum}.)
elder days is n. The heroic age of hackerdom (roughly, pre-1980); the era of the {PDP-10}, {TECO}, {{ITS}}, and the ARPANET. This term has been rather consciously adopted from J. R. R. Tolkien's fantasy epic `The Lord of the Rings'. Compare ...
elegant is [from mathematical usage] adj. Combining simplicity, power, and a certain ineffable grace of design. Higher praise than `clever', `winning', or even {cuspy}.
elephantine is adj. Used of programs or systems that are both conspicuous {hog}s (owing perhaps to poor design founded on {brute force and ignorance}) and exceedingly {hairy} in source form. An elephantine program may be functional and even f...
elephantine2 is in bed with an elephant) it's tough to have around all the same (and, like a pachyderm, difficult to maintain). In extreme cases, hackers have been known to make trumpeting sounds or perform expressive proboscatory mime at the...
elephantine3 is semi-humorous. Compare `has the elephant nature' and the somewhat more pejorative {monstrosity}. See also {second-system effect} and {baroque}.
elevator controller is n. Another archetypal dumb embedded-systems application, like {toaster} (which superseded it). During one period (1983--84) in the deliberations of ANSI X3J11 (the C standardization committee) this was the canonical exa...
elevator controller2 is computation environment. "You can't require `printf(3)' to be part of the default runtime library --- what if you're targeting an elevator controller?" Elevator controllers became important rhetorical weapons on both ...
ELIZA effect is /*-li'z* *-fekt'/ [AI community] n. The tendency of humans to attach associations to terms from prior experience. For example, there is nothing magic about the symbol `+' that makes it well-suited to indicate addition; it's j...
ELIZA effect2 is Using `+' or `plus' to mean addition in a computer language is taking advantage of the ELIZA effect. This term comes from the famous ELIZA program, which simulated a Rogerian psychoanalyst by rephrasing many of the patient's ...
ELIZA effect3 is patient. It worked by simple pattern recognition and substitution of key words into canned phrases. It was so convincing, however, that there are many anecdotes about people becoming very emotionally caught up in dealing w...
ELIZA effect4 is tendency to attach to words meanings which the computer never put there. The ELIZA effect is a {Good Thing} when writing a programming language, but it can blind you to serious shortcomings when analyzing an Artificial Inte...
elvish is n. 1. The Tengwar of Feanor, a table of letterforms resembling the beautiful Celtic half-uncial hand of the `Book of Kells'. Invented and described by J. R. R. Tolkien in `The Lord of The Rings' as an orthography for his fictional ...
elvish2 is both visually and phonetically elegant) has long fascinated hackers (who tend to be interested by artificial languages in general). It is traditional for graphics printers, plotters, window systems, and the like to support a Fean...
elvish3 is also {elder days}. 2. By extension, any odd or unreadable typeface produced by a graphics device. 3. The typeface mundanely called `B"ocklin', an art-decoish display font.
EMACS is /ee'maks/ [from Editing MACroS] n. The ne plus ultra of hacker editors, a program editor with an entire LISP system inside it. It was originally written by Richard Stallman in {TECO} under {{ITS}} at the MIT AI lab, but the most wide...
EMACS2 is includes facilities to run compilation subprocesses and send and receive mail; many hackers spend up to 80% of their {tube time} inside it. Some versions running under window managers iconify as an overflowing kitchen sink, perhaps...
EMACS3 is not (yet) include. Indeed, some hackers find EMACS too heavyweight and {baroque} for their taste, and expand the name as `Escape Meta Alt Control Shift' to spoof its heavy reliance on keystrokes decorated with {bucky bits}. Other s...
EMACS4 is Constantly Swapping', `Eventually `malloc()'s All Computer Storage', and `EMACS Makes A Computer Slow' (see {{recursive acronym}}). See also {vi}.
email is /ee'mayl/ 1. n. Electronic mail automatically passed through computer networks and/or via modems over common-carrier lines. Contrast {snail-mail}, {paper-net}, {voice-net}. See {network address}. 2. vt. To send electronic mail. O...
email2 is listed in the OED; it means "embossed (with a raised pattern) or arranged in a net work". A use from 1480 is given. The word is derived from French `emmailleure', network.
emoticon is /ee-moh'ti-kon/ n. An ASCII glyph used to indicate an emotional state in email or news. Hundreds have been proposed, but only a few are in common use. These include (These may become more comprehensible if you tilt your head si...
emoticon2 is by far the most frequently encountered. Hyphenless forms of them are common on CompuServe, GEnie, and BIX; see also {bixie}. On {USENET}, `smiley' is often used as a generic term synonymous with {emoticon}, as well as specificall...
emoticon3 is that the emoticon was invented by one Scott Fahlman on the CMU {bboard} systems around 1980. He later wrote "I wish I had saved the original post, or at least recorded the date for posterity, but I had no idea that I was starting...
emoticon4 is world's communication channels." [GLS confirms that he remembers this original posting]. Note for the {newbie} Overuse of the smiley is a mark of loserhood! More than one per paragraph is a fairly sure sign that you've gone ov...
empire is n. Any of a family of military simulations derived from a game written by Peter Langston many years ago. There are five or six multi-player variants of varying degrees of sophistication, and one single-player version implemented for...
empire2 is available as MS-DOS freeware. All are notoriously addictive.
engine is n. 1. A piece of hardware that encapsulates some function but can't be used without some kind of {front end}. Today we have, especially, `print engine' the guts of a laser printer. 2. An analogous piece of software; notionally, one ...
engine2 is a `database engine'. The hackish senses of `engine' are actually close to its original, pre-Industrial-Revolution sense of a skill, clever device, or instrument (the word is cognate to `ingenuity'). This sense had not been comple...
engine3 is power-transducing machinery in Charles Babbage's time, which explains why he named the stored-program computer that he designed in 1844 the `Analytical Engine'.
English is 1. n.,obs. The source code for a program, which may be in any language, as opposed to the linkable or executable binary produced from it by a compiler. The idea behind the term is that to a real hacker, a program written in his fav...
English2 is readable as English. Usage used mostly by old-time hackers, though recognizable in context. 2. The official name of the database language used by the Pick Operating System, actually a sort of crufty interpreted BASIC with delusio...
English3 is {marketroid}s to say "Yes, and you can program our computers in English!" to ignorant {suit}s without quite running afoul of the truth-in-advertising laws.
enhancement is n. {Marketroid}-speak for a bug {fix}. This abuse of language is a popular and time-tested way to turn incompetence into increased revenue. A hacker being ironic would instead call the fix a {feature} --- or perhaps save some ...
factpacks/jargon-split.fact view on Meta::CPAN
flap2 is to unload any magnetic tape. See also {macrotape}. Modern cartridge tapes no longer actually flap, but the usage has remained.
flarp is /flarp/ [Rutgers University] n. Yet another metasyntactic variable (see {foo}). Among those who use it, it is associated with a legend that any program not containing the word `flarp' somewhere will not work. The legend is discreetl...
flarp2 is which *do* contain the magic word.
flat is adj. 1. Lacking any complex internal structure. "That {bitty box} has only a flat filesystem, not a hierarchical one." The verb form is {flatten}. 2. Said of a memory architecture (like that of the VAX or 680x0) that is one big line...
flat2 is possible value of a processor register corresponding to a unique core address), as opposed to a `segmented' architecture (like that of the 80x86) in which addresses are composed from a base-register/offset pair (segmented designs ar...
flat-ASCII is adj. Said of a text file that contains only 7-bit ASCII characters and uses only ASCII-standard control characters (that is, has no embedded codes specific to a particular text formatter or markup language, and no {meta}-characte...
flat-file is adj. A {flatten}ed representation of some database or tree or network structure as a single file from which the structure could implicitly be rebuilt, esp. one in {flat-ASCII} form.
flatten is vt. To remove structural information, esp. to filter something with an implicit tree structure into a simple sequence of leaves; also tends to imply mapping to {flat-ASCII}. "This code flattens an expression with parentheses into a...
flavor is n. 1. Variety, type, kind. "DDT commands come in two flavors." "These lights come in two flavors, big red ones and small green ones." See {vanilla}. 2. The attribute that causes something to be {flavorful}. Usually used in the p...
flavor2 is convention yields additional flavor by allowing one to print text either right-side-up or upside-down." See {vanilla}. This usage was certainly reinforced by the terminology of quantum chromodynamics, in which quarks (the constit...
flavor3 is (up, down, strange, charm, top, bottom) and three colors (red, blue, green) --- however, hackish use of `flavor' at MIT predated QCD. 3. The term for `class' (in the object-oriented sense) in the LISP Machine Flavors system. Tho...
flavor4 is (notably by the Common LISP CLOS facility), the term `flavor' is still used as a general synonym for `class' by some LISP hackers.
flavorful is adj. Full of {flavor}; esthetically pleasing. See {random} and {losing} for antonyms. See also the entries for {taste} and {elegant}.
flippy is /flip'ee/ n. A single-sided floppy disk altered for double-sided use by addition of a second write-notch, so called because it must be flipped over for the second side to be accessible. No longer common.
flowchart is [techspeak] n. An archaic form of visual control-flow specification employing arrows and `speech balloons' of various shapes. Hackers never use flowcharts, consider them extremely silly, and associate them with {COBOL} programmer...
flowchart2 is of life. This is because (from a hacker's point of view) they are no easier to read than code, are less precise, and tend to fall out of sync with the code (so that they either obfuscate it rather than explaining it or require ...
flowchart3 is the code). See also {pdl}, sense 3.
flower key is [Mac users] n. See {command key}.
flush is v. 1. To delete something, usually superfluous, or to abort an operation. "All that nonsense has been flushed." 2. [UNIX/C] To force buffered I/O to disk, as with an `fflush(3)' call. This is *not* an abort or deletion as in sense 1...
flush2 is leave at the end of a day's work (as opposed to leaving for a meal). "I'm going to flush now." "Time to flush." 4. To exclude someone from an activity, or to ignore a person. `Flush' was standard ITS terminology for aborting an ...
flush3 is would have been printed, but was not, as having been flushed. It is speculated that this term arose from a vivid image of flushing unwanted characters by hosing down the internal output buffer, washing the characters away before t...
flush4 is other hand, was propagated by the `fflush(3)' call in C's standard I/O library (though it is reported to have been in use among BLISS programmers at DEC and on Honeywell and IBM machines as far back as 1965). UNIX/C hackers find th...
Flyspeck 3 is n. Standard name for any font that is so tiny as to be unreadable (by analogy with such names as `Helvetica 10' for 10-point Helvetica). Legal boilerplate is usually printed in Flyspeck 3.
flytrap is n. See {firewall machine}.
FOAF is // [USENET] n. Acronym for `Friend Of A Friend'. The source of an unverified, possibly untrue story. This was not originated by hackers (it is used in Jan Brunvand's books on urban folklore), but is much better recognized on USENET a...
FOD is /fod/ v. [Abbreviation for `Finger of Death', originally a spell-name from fantasy gaming] To terminate with extreme prejudice and with no regard for other people. From {MUD}s where the wizard command `FOD <player>' results in the imme...
FOD2 is as punishment for obnoxious behavior. This migrated to other circumstances, such as "I'm going to fod the process that is burning all the cycles." Compare {gun}. In aviation, FOD means Foreign Object Damage, e.g., what happens when ...
FOD3 is bird in flight. Finger of Death is a distressingly apt description of what this does to the engine.
fold case is v. See {smash case}. This term tends to be used more by people who don't mind that their tools smash case. It also connotes that case is ignored but case distinctions in data processed by the tool in question aren't destroyed.
followup is n. On USENET, a {posting} generated in response to another posting (as opposed to a {reply}, which goes by email rather than being broadcast). Followups include the ID of the {parent message} in their headers; smart news-readers c...
followup2 is news in `conversation' sequence rather than order-of-arrival. See {thread}.
foo is /foo/ 1. interj. Term of disgust. 2. Used very generally as a sample name for absolutely anything, esp. programs and files (esp. scratch files). 3. First on the standard list of metasyntactic variables used in syntax examples. See al...
foo2 is {grault}, {garply}, {waldo}, {fred}, {plugh}, {xyzzy}, {thud}. {foo} is the {canonical} example of a `metasyntactic variable' --- a name used in examples and understood to stand for whatever thing is under discussion, or any random...
foo3 is discussion. To avoid confusion, hackers never use `foo' or other words like it as permanent names for anything. In filenames, a common convention is that any filename beginning `foo' is a scratch file that may be deleted at any time....
foo4 is When used in connection with `bar' it is generally traced to the WWII-era Army slang acronym FUBAR (`Fucked Up Beyond All Recognition'), later bowdlerized to {foobar}. (See also {FUBAR}). However, the use of the word `foo' itself ha...
foo5 is long history in comic strips and cartoons. The old "Smokey Stover" comic strips by Bill Holman often included the word `FOO', in particular on license plates of cars; allegedly, `FOO' and `BAR' also occurred in Walt Kelly's "Pogo" st...
foo6 is early version of Daffy Duck holds up a sign saying "SILENCE IS FOO!"; oddly, this seems to refer to some approving or positive affirmative use of foo. It is even possible that hacker usage actually springs from `FOO, Lampoons and Par...
foo7 is in September 1958; the byline read `C. Crumb' but this may well have been a sort-of pseudonym for noted weird-comix artist Robert Crumb. The title FOO was featured in large letters on the front cover. An old-time member reports that...
foo8 is Language', compiled at {TMRC} there was an entry that went something like this FOO The first syllable of the sacred chant phrase "FOO MANE PADME HUM." Our first obligation is to keep the foo counters turning. For more abou...
foo9 is Almost the entire AI staff was involved with TMRC, so it is not clear which group introduced the other to the word FOO. Very probably, hackish `foo' had no single origin and derives through all these channels from Yiddish `feh' and/o...
foobar is n. Another common metasyntactic variable; see {foo}. Hackers do *not* generally use this to mean {FUBAR} in either the slang or jargon sense.
fool is n. As used by hackers, specifically describes a person who habitually reasons from obviously or demonstrably incorrect premises and cannot be persuaded by evidence to do otherwise; it is not generally used in its other senses, i.e., to...
fool2 is to reason correctly, or a clown. Indeed, in hackish experience many fools are capable of reasoning all too effectively in executing their errors. See also {cretin}, {loser}, {fool file, the}.
fool file, the is [USENET] n. A notional repository of all the most dramatically and abysmally stupid utterances ever. There is a subgenre of {sig block}s that consists of the header "From the fool file" followed by some quote the poster wish...
fool file, the2 is dimwittery; for this to be really effective, the quote has to be so obviously wrong as to be laughable. More than one USENETter has achieved an unwanted notoriety by being quoted in this way.
Foonly is n. 1. The {PDP-10} successor that was to have been built by the Super Foonly project at the Stanford Artificial Intelligence Laboratory along with a new operating system. The intention was to leapfrog from the old DEC timesharing sy...
Foonly2 is bypassing TENEX which at that time was the ARPANET standard. ARPA funding for both the Super Foonly and the new operating system was cut in 1974. Most of the design team went to DEC and contributed greatly to the design of the PDP...
Foonly3 is formed by Dave Poole, one of the principal Super Foonly designers, and one of hackerdom's more colorful personalities. Many people remember the parrot which sat on Poole's shoulder and was a regular companion. 3. Any of the mach...
Foonly4 is the F-1 (a.k.a. Super Foonly), which was the computational engine used to create the graphics in the movie "TRON". The F-1 was the fastest PDP-10 ever built, but only one was ever made. The effort drained Foonly of its financial...
Foonly5 is smaller, slower, and much less expensive machines. Unfortunately, these ran not the popular {TOPS-20} but a TENEX varient called Foonex; this seriously limited their market. Also, the machines shipped were actually wire-wrapped en...
Foonly6 is attention from more than usually competent site personnel, and thus had significant reliability problems. Poole's legendary temper and unwillingness to suffer fools gladly did not help matters. By the time of the Jupiter project c...
Foonly7 is build another F-1 was eclipsed by the {Mars}, and the company never quite recovered. See the {Mars} entry for the continuation and moral of this story.
footprint is n. 1. The floor or desk area taken up by a piece of hardware. 2. [IBM] The audit trail (if any) left by a crashed program (often in plural, `footprints'). See also {toeprint}.
for free is adj. Said of a capability of a programming language or hardware equipment that is available by its design without needing cleverness to implement "In APL, we get the matrix operations for free." "And owing to the way revisions are...
for free2 is trees for free." Usually it refers to a serendipitous feature of doing things a certain way (compare {big win}), but it may refer to an intentional but secondary feature.
for the rest of us is [from the Mac slogan "The computer for the rest of us"] adj. 1. Used to describe a {spiffy} product whose affordability shames other comparable products, or (more often) used sarcastically to describe {spiffy} but very ov...
for the rest of us2 is with a limited interface, deliberately limited capabilities, non-orthogonality, inability to compose primitives, or any other limitation designed to not `confuse' a na"ive user. This places an upper bound on how far tha...
for the rest of us3 is get in the way of the task instead of helping accomplish it. Used in reference to Macintosh software which doesn't provide obvious capabilities because it is thought that the poor lusers might not be able to handle them...
for the rest of us4 is third-party reference; thus, "Yes, it is an attractive program, but it's designed for The Rest Of Them" means a program that superficially looks neat but has no depth beyond the surface flash. See also {WIMP environme...
fora is pl.n. Plural of {forum}.
foreground is [UNIX] vt. To foreground a task is to bring it to the top of one's {stack} for immediate processing, and hackers often use it in this sense for non-computer tasks. "If your presentation is due next week, I guess I'd better foregr...
foreground2 is Technically, on a time-sharing system, a task executing in foreground is one able to accept input from and return output to the user; oppose {background}. Nowadays this term is primarily associated with {{UNIX}}, but it appears...
foreground3 is OS/360. Normally, there is only one foreground task per terminal (or terminal window); having multiple processes simultaneously reading the keyboard is a good way to {lose}.
forked is [UNIX; prob. influenced by a mainstream expletive] adj. Terminally slow, or dead. Originated when one system slowed to incredibly bad speeds because of a process recursively spawning copies of itself (using the UNIX system call `for...
Fortrash is /for'trash/ n. Hackerism for the FORTRAN language, referring to its primitive design, gross and irregular syntax, limited control constructs, and slippery, exception-filled semantics.
fortune cookie is [UNIX] n. A random quote, item of trivia, joke, or maxim printed to the user's tty at login time or (less commonly) at logout time. Items from this lexicon have often been used as fortune cookies. See {cookie file}.
forum is n. [USENET, GEnie CI$; pl. `fora' or `forums'] Any discussion group accessible through a dial-in {BBS}, a {mailing list}, or a {newsgroup} (see {network, the}). A forum functions much like a bulletin board; users submit {posting}s ...
forum2 is Contrast real-time chat via {talk mode} or point-to-point personal {email}.
fossil is n. 1. In software, a misfeature that becomes understandable only in historical context, as a remnant of times past retained so as not to break compatibility. Example the retention of octal as default base for string escapes in {C}, ...
fossil2 is to ASCII and modern byte-addressable architectures. See {dusty deck}. 2. More restrictively, a feature with past but no present utility. Example the force-all-caps (LCASE) bits in the V7 and {BSD} UNIX tty driver, designed for ...
fossil3 is of the usual backward-compatibility goal, this functionality has actually been expanded and renamed in some later {USG UNIX} releases as the IUCLC and OLCUC bits. 3. The FOSSIL (Fido/Opus/Seadog Standard Interface Level) driver s...
fossil4 is replace the {brain-dead} routines in the IBM PC ROMs. Fossils are used by most MS-DOS {BBS} software in lieu of programming the {bare metal} of the serial ports, as the ROM routines do not support interrupt-driven operation or setti...
fossil5 is specification allows additional functionality to be hooked in, drivers that use the {hook} but do not provide serial-port access themselves are named with a modifier, as in `video fossil'.
four-color glossies is 1. Literature created by {marketroid}s that allegedly containing technical specs but which is in fact as superficial as possible without being totally {content-free}. "Forget the four-color glossies, give me the tech ref...
four-color glossies2 is superficiality even when the material is printed on ordinary paper in black and white. Four-color-glossy manuals are *never* useful for finding a problem. 2. [rare] Applied by extension to manual pages that don't con...
four-color glossies3 is program doesn't produce the expected or desired output.
fragile is adj. Syn {brittle}.
fred is n. 1. The personal name most frequently used as a metasyntactic variable (see {foo}). Allegedly popular because it's easy for a non-touch-typist to type on a standard QWERTY keyboard. Unlike {J. Random Hacker} or `J. Random Loser', ...
fred2 is (but see {Mbogo, Dr. Fred}). 2. An acronym for `Flipping Ridiculous Electronic Device'; other F-verbs may be substituted for `flipping'.
frednet is /fred'net/ n. Used to refer to some {random} and uncommon protocol encountered on a network. "We're implementing bridging in our router to solve the frednet problem."
freeware is n. Free software, often written by enthusiasts and distributed by users' groups, or via electronic mail, local bulletin boards, {USENET}, or other electronic media. At one time, `freeware' was a trademark of Andrew Fluegelman, the...
freeware2 is program PC-TALK III. It wasn't enforced after his mysterious disappearance and presumed death in 1984. See {shareware}.
freeze is v. To lock an evolving software distribution or document against changes so it can be released with some hope of stability. Carries the strong implication that the item in question will `unfreeze' at some future date. "OK, fix that ...
freeze2 is are more specific constructions on this. A `feature freeze', for example, locks out modifications intended to introduce new features; a `code freeze' connotes no more changes at all. At Sun Microsystems and elsewhere, one may also ...
freeze3 is an almost-but-not-quite frozen state.
fried is adj. 1. Non-working due to hardware failure; burnt out. Especially used of hardware brought down by a `power glitch' (see {glitch}), {drop-outs}, a short, or some other electrical event. (Sometimes this literally happens to electroni...
fried2 is burn out and transformers can melt down, emitting noxious smoke. However, this term is also used metaphorically.) Compare {frotzed}. 2. Of people, exhausted. Said particularly of those who continue to work in such a state. Often...
fried3 is know that fix destroyed the file system, but I was fried when I put it in." Esp. common in conjunction with `brain' "My brain is fried today, I'm very short on sleep."
friode is /fri'ohd/ [TMRC] n. A reversible (that is, fused or blown) diode. Compare {fried}.
fritterware is n. An excess of capability that serves no productive end. The canonical example is font-diddling software on the Mac (see {macdink}); the term describes anything that eats huge amounts of time for quite marginal gains in functi...
frob is /frob/ 1. n. [MIT] The {TMRC} definition was "FROB = a protruding arm or trunnion"; by metaphoric extension, a `frob' is any random small thing; an object that you can comfortably hold in one hand; something you can frob. See {frobnit...
frob2 is {frobnicate}. 3. [from the {MUD} world] A command on some MUDs that changes a player's experience level (this can be used to make wizards); also, to request {wizard} privileges on the `professional courtesy' grounds that one is a w...
frobnicate is /frob'ni-kayt/ vt. [Poss. derived from {frobnitz}, and usually abbreviated to {frob}, but `frobnicate' is recognized as the official full form.] To manipulate or adjust, to tweak. One frequently frobs bits or other 2-state device...
frobnicate2 is (that is, flip it), but also "Stop frobbing that clasp; you'll break it". One also sees the construction `to frob a frob'. See {tweak} and {twiddle}. Usage frob, twiddle, and tweak sometimes connote points along a continuum....
frobnicate3 is `twiddle' connotes gross manipulation, often a coarse search for a proper setting; `tweak' connotes fine-tuning. If someone is turning a knob on an oscilloscope, then if he's carefully adjusting it, he is probably tweaking it; ...
frobnicate4 is screen, he is probably twiddling it; but if he's just doing it because turning a knob is fun, he's frobbing it. The variant `frobnosticate' has been recently reported.
frobnitz is /frob'nits/, pl. `frobnitzem' /frob'nit-zm/ or `frobni' /frob'ni/ n. An unspecified physical object, a widget. Also refers to electronic black boxes. This rare form is usually abbreviated to `frotz', or more commonly to {frob}. ...
frobnitz2 is `frobule' (/frob'yool/). Starting perhaps in 1979, `frobozz' /fruh-boz'/ (plural `frobbotzim' /fruh-bot'zm/) has also become very popular, largely through its exposure as a name via {Zork}. These can also be applied to nonphys...
frog is alt. `phrog' 1. interj. Term of disgust (we seem to have a lot of them). 2. Used as a name for just about anything. See {foo}. 3. n. Of things, a crock. 4. n. Of people, somewhere in between a turkey and a toad. 5. `froggy' adj. S...
frog2 is milder. "This froggy program is taking forever to run!"front end n. 1. An intermediary computer that does set-up and filtering for another (usually more powerful but less friendly) machine (a `back end'). 2. What you're talking to w...
frog3 is is making replies without paying attention. "Look at the dancing elephants!" "Uh-huh." "Do you know what I just said?" "Sorry, you were talking to the front end." See also {fepped out}. 3. Software that provides an interface to...
frog4 is as user-friendly. Probably from analogy with hardware front-ends (see sense 1) that interfaced with mainframes.
frotz is /frots/ 1. n. See {frobnitz}. 2. `mumble frotz' An interjection of very mild disgust.
frotzed is /frotst/ adj. {down} because of hardware problems. Compare {fried}. A machine that is merely frotzed may be fixable without replacing parts, but a fried machine is more seriously damaged.
frowney is n. (alt. `frowney face') See {emoticon}.
fry is 1. vi. To fail. Said especially of smoke-producing hardware failures. More generally, to become non-working. Usage never said of software, only of hardware and humans. See {fried}, {magic smoke}. 2. vt. To cause to fail; to {roach}...
fry2 is Never used of software or humans, but compare {fried}.
FTP is /F-T-P/, *not* /fit'ip/ 1. [techspeak] n. The File Transfer Protocol for transmitting files between systems on the Internet. 2. vt. To {beam} a file using the File Transfer Protocol. 3. Sometimes used as a generic even for file transf...
FTP2 is `Wuthering Heights' ftp'd from uunet."
FUBAR is n. The Failed UniBus Address Register in a VAX. A good example of how jargon can occasionally be snuck past the {suit}s; see {foobar}.
fuck me harder is excl. Sometimes uttered in response to egregious misbehavior, esp. in software, and esp. of misbehaviors which seem unfairly persistent (as though designed in by the imp of the perverse). Often theatrically elaborated "Aiigh...
fuck me harder2 is curare-tipped wrought-iron fence *and no lubricants*!" The phrase is sometimes heard abbreviated `FMH' in polite company. [This entry is an extreme example of the hackish habit of coining elaborate and evocative terms for ...
fuck me harder3 is parody of mainstream expletives that has become a running gag in part of the hacker culture; it illustrates the hackish tendency to turn any situation, even one of extreme frustration, into an intellectual game (the point be...
fuck me harder4 is long-winded description of the most anatomically absurd mental image possible --- the short forms implicitly allude to all the ridiculous long forms ever spoken). Scatological language is actually relatively uncommon among ...
fuck me harder5 is whether this entry ought to be included at all. As it reflects a live usage recognizably peculiar to the hacker culture, we feel it is in the hackish spirit of truthfulness and opposition to all forms of censorship to rec...
FUD is /fuhd/ n. Defined by Gene Amdahl after he left IBM to found his own company "FUD is the fear, uncertainty, and doubt that IBM sales people instill in the minds of potential customers who might be considering [Amdahl] products." The ide...
FUD2 is with safe IBM gear rather than with competitors' equipment. This was traditionally done by promising that Good Things would happen to people who stuck with IBM, but Dark Shadows loomed over the future of competitors' equipment or so...
FUD wars is /fuhd worz/ n. [from {FUD}] Political posturing engaged in by hardware and software vendors ostensibly committed to standardization but actually willing to fragment the market to protect their own shares. The UNIX International vs...
fudge is 1. vt. To perform in an incomplete but marginally acceptable way, particularly with respect to the writing of a program. "I didn't feel like going through that pain and suffering, so I fudged it --- I'll fix it later." 2. n. The res...
fudge factor is n. A value or parameter that is varied in an ad hoc way to produce the desired result. The terms `tolerance' and {slop} are also used, though these usually indicate a one-sided leeway, such as a buffer that is made larger than...
fudge factor2 is how large it needs to be, and it is better to waste a little space than to lose completely for not having enough. A fudge factor, on the other hand, can often be tweaked in more than one direction. A good example is the `fuz...
fudge factor3 is calculations two numbers being compared for equality must be allowed to differ by a small amount; if that amount is too small, a computation may never terminate, while if it is too large, results will be needlessly inaccurate....
fudge factor4 is incorrectly by programmers who don't fully understand their import. See also {coefficient of X}.
fuel up is vi. To eat or drink hurriedly in order to get back to hacking. "Food-p?" "Yeah, let's fuel up." "Time for a {great-wall}!" See also {{oriental food}}.
fuggly is /fuhg'lee/ adj. Emphatic form of {funky}; funky + ugly). Unusually for hacker jargon, this may actually derive from black street-jive. To say it properly, the first syllable should be growled rather than spoken. Usage humorous. "...
fuggly2 is that printer driver is *fuggly*." See also {wonky}.
funky is adj. Said of something that functions, but in a slightly strange, klugey way. It does the job and would be difficult to change, so its obvious non-optimality is left alone. Often used to describe interfaces. The more bugs something...
funky2 is workarounds are easier, the funkier it is. {TECO} and UUCP are funky. The Intel i860's exception handling is extraordinarily funky. Most standards acquire funkiness as they age. "The new mailer is installed, but is still somewhat ...
funky3 is try resubmitting it." "This UART is pretty funky. The data ready line is active-high in interrupt mode and active-low in DMA mode." See {fuggly}.
funny money is n. 1. Notional `dollar' units of computing time and/or storage handed to students at the beginning of a computer course; also called `play money' or `purple money' (in implicit opposition to real or `green' money). When your fu...
funny money2 is you needed to go to a professor to get more. Fortunately, the plunging cost of timesharing cycles has made this less common. The amounts allocated were almost invariably too small, even for the non-hackers who wanted to slide...
funny money3 is practice led to small-scale black markets in bootlegged computer accounts. 2. By extension, phantom money or quantity tickets of any kind used as a resource-allocation hack within a system. Antonym `real money'.
fuzzball is [TCP/IP hackers] n. A DEC LSI-11 running a particular suite of homebrewed software written by Dave Mills and assorted co-conspirators, used in the early 1980s for Internet protocol testbedding and experimentation. These were used ...
fuzzball2 is 56KB-line days; a few are still active on the Internet as of early 1991, doing odd jobs such as network time service.*G [SI] pref.,suff. See {{quantifiers}}.
gabriel is /gay'bree-*l/ [for Dick Gabriel, SAIL LISP hacker and volleyball fanatic] n. An unnecessary (in the opinion of the opponent) stalling tactic, e.g., tying one's shoelaces or combing one's hair repeatedly, asking the time, etc. Also ...
gabriel2 is tactics. Also, `pulling a Gabriel', `Gabriel mode'.
gag is vi. Equivalent to {choke}, but connotes more disgust. "Hey, this is FORTRAN code. No wonder the C compiler gagged." See also {barf}.
gang bang is n. The use of large numbers of loosely coupled programmers in an attempt to wedge a great many features into a product in a short time. Though there have been memorable gang bangs (e.g., that over-the-weekend assembler port menti...
gang bang2 is perpetrated by large companies trying to meet deadlines and produce enormous buggy masses of code entirely lacking in {orthogonal}ity. When market-driven managers make a list of all the features the competition has and assign ...
gang bang3 is miss the importance of maintaining a coherent design. See also {firefighting}, {Mongolian Hordes technique}, {Conway's Law}.
garbage collect is vi. (also `garbage collection', n.) See {GC}.
garply is /gar'plee/ [Stanford] n. Another meta-syntactic variable (see {foo}); once popular among SAIL hackers.
gas is [as in `gas chamber'] 1. interj. A term of disgust and hatred, implying that gas should be dispensed in generous quantities, thereby exterminating the source of irritation. "Some loser just reloaded the system for no reason! Gas!" 2....
gas2 is something ought to be flushed out of mercy. "The system's getting {wedged} every few minutes. Gas!" 3. vt. To {flush} (sense 1). "You should gas that old crufty software." 4. [IBM] n. Dead space in nonsequentially organized file...
gas3 is deleted; the compression operation that removes it is called `degassing' (by analogy, perhaps, with the use of the same term in vacuum technology). 5. [IBM] n. Empty space on a disk that has been clandestinely allocated against futu...
gaseous is adj. Deserving of being {gas}sed. Disseminated by Geoff Goodfellow while at SRI; became particularly popular after the Moscone-Milk killings in San Francisco, when it was learned that the defendant Dan White (a politician who had s...
gaseous2 is chamber under Proposition 7 if convicted of first-degree murder (he was eventually convicted of manslaughter).
GC is /G-C/ [from LISP terminology; `Garbage Collect'] 1. vt. To clean up and throw away useless things. "I think I'll GC the top of my desk today." When said of files, this is equivalent to {GFR}. 2. vt. To recycle, reclaim, or put to an...
GC2 is garbage collector process. `Garbage collection' is computer-science jargon for a particular class of strategies for dynamically reallocating computer memory. One such strategy involves periodically scanning all the data in memory an...
GC3 is useless data items are then discarded so that the memory they occupy can be recycled and used for another purpose. Implementations of the LISP language usually use garbage collection. In jargon, the full phrase is sometimes heard but...
GC4 is it is shorter. Note that there is an ambiguity in usage that has to be resolved by context "I'm going to garbage-collect my desk" usually means to clean out the drawers, but it could also mean to throw away or recycle the desk itself...
GCOS is /jee'kohs/ n. A {quick-and-dirty} {clone} of System/360 DOS that emerged from GE around 1970; originally called GECOS (the General Electric Comprehensive Operating System). Later kluged to support primitive timesharing and transaction...
GCOS2 is computer division by Honeywell, the name was changed to General Comprehensive Operating System (GCOS). Other OS groups at Honeywell began referring to it as `God's Chosen Operating System', allegedly in reaction to the GCOS crowd's ...
GCOS3 is superiority of their product. All this might be of zero interest, except for two facts (1) The GCOS people won the political war, and this led in the orphaning and eventual death of Honeywell {{Multics}}, and (2) GECOS/GCOS left on...
GCOS4 is systems at Bell Labs were GCOS machines for print spooling and various other services; the field added to `/etc/passwd' to carry GCOS ID information was called the `GECOS field' and survives today as the `pw_gecos' member used for the...
GCOS5 is information. GCOS later played a major role in keeping Honeywell a dismal also-ran in the mainframe market, and was itself ditched for UNIX in the late 1980s when Honeywell retired its aging {big iron} designs.
GECOS is /jee'kohs/ n. See {{GCOS}}.
gedanken is /g*-don'kn/ adj. Ungrounded; impractical; not well-thought-out; untried; untested. `Gedanken' is a German word for `thought'. A thought experiment is one you carry out in your head. In physics, the term `gedanken experiment' is ...
gedanken2 is impractical to carry out, but useful to consider because you can reason about it theoretically. (A classic gedanken experiment of relativity theory involves thinking about a man in an elevator accelerating through space.) Gedank...
gedanken3 is but you have to be careful. It's too easy to idealize away some important aspect of the real world in contructing your `apparatus'. Among hackers, accordingly, the word has a pejorative connotation. It is said of a project, espe...
gedanken4 is research, that is written up in grand detail (typically as a Ph.D. thesis) without ever being implemented to any great extent. Such a project is usually perpetrated by people who aren't very good hackers or find programming dista...
gedanken5 is thesis' is usually marked by an obvious lack of intuition about what is programmable and what is not, and about what does and does not constitute a clear specification of an algorithm. See also {AI-complete}, {DWIM}.
geef is v. [ostensibly from `gefingerpoken'] vt. Syn. {mung}. See also {blinkenlights}.
geek out is vi. To temporarily enter techno-nerd mode while in a non-hackish context, for example at parties held near computer equipment. Especially used when you need to do something highly technical and don't have time to explain "Pardon m...
gen is /jen/ n.,v. Short for {generate}, used frequently in both spoken and written contexts.
gender mender is n. A cable connector shell with either two male or two female connectors on it, used to correct the mismatches that result when some {loser} didn't understand the RS232C specification and the distinction between DTE and DCE. ...
gender mender2 is original D-25 or the IBM PC's bogus D-9 format. Also called `gender bender', `gender blender', `sex changer', and even `homosexual adapter'; however, there appears to be some confusion as to whether a `male homosexual adapter...
gender mender3 is on both sides (connects two males).
General Public Virus is n. Pejorative name for some versions of the {GNU} project {copyleft} or General Public License (GPL), which requires that any tools or {app}s incorporating copylefted code must be source-distributed on the same counter-...
General Public Virus2 is alleged that the copyleft `infects' software generated with GNU tools, which may in turn infect other software that reuses any of its code. The Free Software Foundation's official position as of January 1991 is that c...
General Public Virus3 is "programs textually incorporating significant amounts of GNU code", and that the `infection' is not passed on to third parties unless actual GNU source is transmitted (as in, for example, use of the Bison parser skelet...
General Public Virus4 is the {copyleft} language is `boobytrapped' has caused many developers to avoid using GNU tools and the GPL. Recent (July 1991) changes in the language of the version 2.00 language may eliminate this problem.
generate is vt. To produce something according to an algorithm or program or set of rules, or as a (possibly unintended) side effect of the execution of an algorithm or program. The opposite of {parse}. This term retains its mechanistic conn...
generate2 is of human behavior. "The guy is rational most of the time, but mention nuclear energy around him and he'll generate {infinite} flamage."
gensym is /jen'sim/ [from MacLISP for `generated symbol'] 1. v. To invent a new name for something temporary, in such a way that the name is almost certainly not in conflict with one already in use. 2. n. The resulting name. The canonical f...
gensym2 is represents a number; any LISP hacker would recognize G0093 (for example) as a gensym. 3. A freshly generated data structure with a gensymmed name. These are useful for storing or uniquely identifying crufties (see {cruft}).
Get a life! is imp. Hacker-standard way of suggesting that the person to whom you are speaking has succumbed to terminal geekdom (see {computer geek}). Often heard on {USENET}, esp. as a way of suggesting that the target is taking some obscur...
Get a life!2 is exhortation was popularized by William Shatner on a "Saturday Night Live" episode in a speech that ended "Get a *life*!", but some respondents believe it to have been in use before then.
Get a real computer! is imp. Typical hacker response to news that somebody is having trouble getting work done on a system that (a) is single-tasking, (b) has no hard disk, or (c) has an address space smaller than 4 megabytes. This is as of m...
Get a real computer!2 is computer' rises with time, and it may well be (for example) that machines with character-only displays will be generally considered `unreal' in a few years (GLS points out that they already are in some circles). See {...
GFR is /G-F-R/ vt. [ITS] From `Grim File Reaper', an ITS and Lisp Machine utility. To remove a file or files according to some program-automated or semi-automatic manual procedure, especially one designed to reclaim mass storage space or redu...
GFR2 is actually moved files to tape). Often generalized to pieces of data below file level. "I used to have his phone number, but I guess I {GFR}ed it." See also {prowler}, {reaper}. Compare {GC}, which discards only provably worthless ...
gig is /jig/ or /gig/ [SI] n. See {{quantifiers}}.
giga- is /ji'ga/ or /gi'ga/ [SI] pref. See {{quantifiers}}.
GIGO is /gi'goh/ [acronym] 1. `Garbage In, Garbage Out' --- usually said in response to {luser}s who complain that a program didn't complain about faulty data. Also commonly used to describe failures in human decision making due to faulty, in...
GIGO2 is In, Gospel Out' this more recent expansion is a sardonic comment on the tendency human beings have to put excessive trust in `computerized' data.
gillion is /gil'y*n/ or /jil'y*n/ [formed from {giga-} by analogy with mega/million and tera/trillion] n. 10^9. Same as an American billion or a British `milliard'. How one pronounces this depends on whether one speaks {giga-} with a hard or ...
GIPS is /gips/ or /jips/ [analogy with {MIPS}] n. Giga-Instructions per Second (also possibly `Gillions of Instructions per Second'; see {gillion}). In 1991, this is used of only a handful of highly parallel machines, but this is expected t...
glark is /glark/ vt. To figure something out from context. "The System III manuals are pretty poor, but you can generally glark the meaning from context." Interestingly, the word was originally `glork'; the context was "This gubblick contain...
glark2 is the overall pluggandisp can be glorked [sic] from context" (David Moser, quoted by Douglas Hofstadter in his "Metamagical Themas" column in the January 1981 `Scientific American'). It is conjectured that hackish usage mutated the ve...
glark3 is established jargon term. Compare {grok}, {zen}.
glass is [IBM] n. Synonym for {silicon}.
glass tty is /glas T-T-Y/ or /glas ti'tee/ n. A terminal that has a display screen but which, because of hardware or software limitations, behaves like a teletype or some other printing terminal, thereby combining the disadvantages of both lik...
glass tty2 is display hacks, and like a display terminal, it doesn't produce hard copy. An example is the early `dumb' version of Lear-Siegler ADM 3 (without cursor control). See {tube}, {tty}. See appendix A for an interesting true story...
glassfet is /glas'fet/ [by analogy with MOSFET, the acronym for `Metal-Oxide-Semiconductor Field-Effect Transistor'] n. Syn. {firebottle}, a humorous way to refer to a vacuum tube.
glitch is /glich/ [from German `glitschen' to slip, via Yiddish `glitshen', to slide or skid] 1. n. A sudden interruption in electric service, sanity, continuity, or program function. Sometimes recoverable. An interruption in electric service...
glitch2 is This is of grave concern because it usually crashes all the computers. In jargon, though, a hacker who got to the middle of a sentence and then forgot how he or she intended to complete it might say, "Sorry, I just glitched". 2....
glitch3 is [Stanford] To scroll a display screen, esp. several lines at a time. {{WAITS}} terminals used to do this in order to avoid continuous scrolling, which is distracting to the eye. 4. obs. Same as {magic cookie}, sense 2. All the...
glitch4 is technical meaning the term has to hardware people. If the inputs of a circuit change, and the outputs change to some {random} value for some very brief time before they settle down to the correct value, then that is called a glit...
glitch5 is depending on what the circuit is connected to. This term is techspeak, found in electronics texts.
glob is /glob/, *not* /glohb/ [UNIX] vt.,n. To expand special characters in a wildcarded name, or the act of so doing (the action is also called `globbing'). The UNIX conventions for filename wildcarding have become sufficiently pervasive tha...
glob2 is English, especially in email or news on technical topics. Those commonly encountered include the following * wildcard for any string (see also {UN*X}) ? wildcard for any character (generally read this way only...
glob3 is a word) [] delimits a wildcard matching any of the enclosed characters {} alternation of comma-separated alternatives; thus, `foo{baz,qux}' would be read as `foobaz' or `fooqux' Some examples "He said hi...
glob4 is "I don't read talk.politics.*" (any of the talk.politics subgroups on {USENET}). Other examples are given under the entry for {X}. Compare {regexp}. Historical note The jargon usage derives from `glob', the name of a subprogram th...
glob5 is versions of the UNIX shell.
glork is /glork/ 1. interj. Term of mild surprise, usually tinged with outrage, as when one attempts to save the results of 2 hours of editing and finds that the system has just crashed. 2. Used as a name for just about anything. See {foo}. ...
glork2 is used reflexively. "My program just glorked itself." See also {glark}.
glue is n. Generic term for any interface logic or protocol that connects two component blocks. For example, {Blue Glue} is IBM's SNA protocol, and hardware designers call anything used to connect large VLSI's or circuit blocks `glue logic'.
gnarly is /nar'lee/ adj. Both {obscure} and {hairy} in the sense of complex. "{Yow}! --- the tuned assembler implementation of BitBlt is really gnarly!" From a similar but less specific usage in surfer slang.
GNU is /gnoo/, *not* /noo/ 1. [acronym `GNU's Not UNIX!', see {{recursive acronym}}] A UNIX-workalike development effort of the Free Software Foundation headed by Richard Stallman (rms@gnu.ai.mit.edu). GNU EMACS and the GNU C compiler, two to...
GNU2 is very popular in hackerdom and elsewhere. The GNU project was designed partly to proselytize for RMS's position that information is community property and all software source should be shared. One of its slogans is "Help stamp out s...
GNU3 is controversial (because it implicitly denies any right of designers to own, assign, and sell the results of their labors), many hackers who disagree with RMS have nevertheless cooperated to produce large amounts of high-quality softwa...
GNU4 is Software Foundation's imprimatur. See {EMACS}, {copyleft}, {General Public Virus}. 2. Noted UNIX hacker John Gilmore (gnu@toad.com), founder of USENET's anarchic alt.* hierarchy.
GNUMACS is /gnoo'maks/ [contraction of `GNU EMACS'] Often-heard abbreviated name for the {GNU} project's flagship tool, {EMACS}. Used esp. in contrast with {GOSMACS}.
go flatline is [from cyberpunk SF, refers to flattening of EEG traces upon brain-death] vi., also adjectival `flatlined'. 1. To die, terminate, or fail, esp. irreversibly. In hacker parlance, this is used of machines only, human death being c...
go flatline2 is employ jargon-jokes. 2. To go completely quiescent; said of machines undergoing controlled shutdown. "You can suffer file damage if you shut down UNIX but power off before the system has gone flatline." 3. Of a video tube, t...
go flatline3 is sees is a bright horizontal line bisecting the screen.
go root is [UNIX] vi. To temporarily enter {root mode} in order to perform a privileged operation. This use is deprecated in Australia, where v. `root' refers to animal sex.
go-faster stripes is [UK] Syn. {chrome}.
gobble is vt. To consume or to obtain. The phrase `gobble up' tends to imply `consume', while `gobble down' tends to imply `obtain'. "The output spy gobbles characters out of a {tty} output buffer." "I guess I'll gobble down a copy of the doc...
Godzillagram is /god-zil'*-gram/ n. [from Japan's national hero] 1. A network packet that in theory is a broadcast to every machine in the universe. The typical case of this is an IP datagram whose destination IP address is [255.255.255.255]....
Godzillagram2 is enough to attempt to implement this! 2. A network packet of maximum size. An IP Godzillagram has 65,536 octets.
golden is adj. [prob. from folklore's `golden egg'] When used to describe a magnetic medium (e.g., `golden disk', `golden tape'), describes one containing a tested, up-to-spec, ready-to-ship software version. Compare {platinum-iridium}.
golf-ball printer is n. The IBM 2741, a slow but letter-quality printing device and terminal based on the IBM Selectric typewriter. The `golf ball' was a round object bearing reversed embossed images of 88 different characters arranged on four...
golf-ball printer2 is font by swapping in a different golf ball. This was the technology that enabled APL to use a non-EBCDIC, non-ASCII, and in fact completely non-standard character set. This put it 10 years ahead of its time --- where it ...
golf-ball printer3 is character displays gave way to programmable bit-mapped devices with the flexibility to support other character sets.
gonk is /gonk/ vt.,n. 1. To prevaricate or to embellish the truth beyond any reasonable recognition. It is alleged that in German the term is (mythically) `gonken'; in Spanish the verb becomes `gonkar'. "You're gonking me. That story you ju...
gonk2 is for example, "Du gonkst mir" (You're pulling my leg). See also {gonkulator}. 2. [British] To grab some sleep at an odd time; compare {gronk out}.
gonkulator is /gon'kyoo-lay-tr/ [from the old "Hogan's Heroes" TV series] n. A pretentious piece of equipment that actually serves no useful purpose. Usually used to describe one's least favorite piece of computer hardware. See {gonk}.
gonzo is /gon'zoh/ [from Hunter S. Thompson] adj. Overwhelming; outrageous; over the top; very large, esp. used of collections of source code, source files, or individual functions. Has some of the connotations of {moby} and {hairy}, but with...
Good Thing is n.,adj. Often capitalized; always pronounced as if capitalized. 1. Self-evidently wonderful to anyone in a position to notice "The Trailblazer's 19.2Kbaud PEP mode with on-the-fly Lempel-Ziv compression is a Good Thing for sites...
Good Thing2 is possibly have any ill side-effects and may save considerable grief later "Removing the self-modifying code from that shared library would be a Good Thing." 3. When said of software tools or libraries, as in "YACC is a Good Th...
Good Thing3 is drastically reduced a programmer's work load. Oppose {Bad Thing}.
gorilla arm is n. The side-effect that destroyed touch-screens as a mainstream input technology despite a promising start in the early 1980s. It seems the designers of all those {spiffy} touch-menu systems failed to notice that humans aren't ...
gorilla arm2 is their faces making small motions. After more than a very few selections, the arm begins to feel sore, cramped, and oversized; hence `gorilla arm'. This is now considered a classic cautionary tale to human-factors designers; "...
gorilla arm3 is "How is this going to fly in *real* use?".
gorp is /gorp/ [CMU perhaps from the canonical hiker's food, Good Old Raisins and Peanuts] Another metasyntactic variable, like {foo} and {bar}.
GOSMACS is /goz'maks/ [contraction of `Gosling EMACS'] n. The first {EMACS}-in-C implementation, predating but now largely eclipsed by {GNUMACS}. Originally freeware; a commercial version is now modestly popular as `UniPress EMACS'. The auth...
Gosperism is /gos'p*r-izm/ A hack, invention, or saying by arch-hacker R. William (Bill) Gosper. This notion merits its own term because there are so many of them. Many of the entries in {HAKMEM} are Gosperisms; see also {life}.
gotcha is n. A {misfeature} of a system, especially a programming language or environment, that tends to breed bugs or mistakes because it behaves in an unexpected way. For example, a classic gotcha in {C} is the fact that `if (a=b) {code;}' ...
gotcha2 is correct. It puts the value of `b' into `a' and then executes `code' if `a' is non-zero. What the programmer probably meant was `if (a==b) {code;}', which executes `code' if `a' and `b' are equal.
GPL is /G-P-L/ n. Abbrev. for `General Public License' in widespread use; see {copyleft}.
GPV is /G-P-V/ n. Abbrev. for {General Public Virus} in widespread use.
grault is /grawlt/ n. Yet another meta-syntactic variable, invented by Mike Gallaher and propagated by the {GOSMACS} documentation. See {corge}.
gray goo is n. A hypothetical substance composed of {sagan}s of sub-micron-sized self-replicating robots programmed to make copies of themselves out of whatever is available. The image that goes with the term is one of the entire biosphere of...
gray goo2 is goo. This is the simplest of the {{nanotechnology}} disaster scenarios, easily refuted by arguments from energy requirements and elemental abundances. Compare {blue goo}.
Great Renaming is n. The {flag day} on which all of the non-local groups on the {USENET} had their names changed from the net.- format to the current multiple-hierarchies scheme.
Great Runes is n. Uppercase-only text or display messages. Some archaic operating systems still emit these. See also {runes}, {smash case}, {fold case}. Decades ago, back in the days when it was the sole supplier of long-distance hardcopy ...
Great Runes2 is Corporation was faced with a major design choice. To shorten code lengths and cut complexity in the printing mechanism, it had been decided that teletypes would use a monocase font, either ALL UPPER or all lower. The question...
Great Runes3 is conducted on readability under various conditions of bad ribbon, worn print hammers, etc. Lowercase won; it is less dense and has more distinctive letterforms, and is thus much easier to read both under ideal conditions and wh...
Great Runes4 is obscured. The results were filtered up through {management}. The chairman of Teletype killed the proposal because it failed one incredibly important criterion "It would be impossible to spell the name of the Deity correctly....
Great Runes5 is folklore has it) superstition triumphed over utility. Teletypes were the major input devices on most early computers, and terminal manufacturers looking for corners to cut naturally followed suit until well into the 1970s. T...
Great Runes6 is Runes for thirty years.
great-wall is [from SF fandom] vi.,n. A mass expedition to an oriental restaurant, esp. one where food is served family-style and shared. There is a common heuristic about the amount of food to order, expressed as "Get N - 1 entrees"; the val...
great-wall2 is the group, can be inferred from context (see {N}). See {{oriental food}}, {ravs}, {stir-fried random}.
Green Book is n. 1. One of the three standard PostScript references `PostScript Language Program Design', bylined `Adobe Systems' (Addison-Wesley, 1988; QA76.73.P67P66 ISBN; 0-201-14396-8); see also {Red Book}, {Blue Book}). 2. Informal name ...
Green Book2 is SmallTalk `Smalltalk-80 Bits of History, Words of Advice', by Glenn Krasner (Addison-Wesley, 1983; QA76.8.S635S58; ISBN 0-201-11669-3) (this, too, is associated with blue and red books). 3. The `X/Open Compatibility Guide'. ...
Green Book3 is environment that is a proper superset of POSIX/SVID; also includes descriptions of a standard utility toolkit, systems administrations features, and the like. This grimoire is taken with particular seriousness in Europe. See {...
Green Book4 is Operating Systems Interface standard has been dubbed "The Ugly Green Book". 5. Any of the 1992 standards which will be issued by the CCITT's tenth plenary assembly. Until now, these have changed color each review cycle (1984 w...
Green Book5 is is rumored that this convention is going to be dropped before 1992. These include, among other things, the X.400 email standard and the Group 1 through 4 fax standards. See also {{book titles}}.
green bytes is n. 1. Meta-information embedded in a file, such as the length of the file or its name; as opposed to keeping such information in a separate description file or record. The term comes from an IBM user's group meeting (ca. 1962) ...
green bytes2 is debated and the diagram of the file on the blackboard had the `green bytes' drawn in green. 2. By extension, the non-data bits in any self-describing format. "A GIF file contains, among other things, green bytes describing th...
green bytes3 is {out-of-band}, {zigamorph}, {fence} (sense 1).
green card is n. [after the `IBM System/360 Reference Data' card] This is used for any summary of an assembly language, even if the color is not green. Less frequently used now because of the decrease in the use of assembly language. "I'll g...
green card2 is addressing mode for that instruction." Some green cards are actually booklets. The original green card became a yellow card when the System/370 was introduced, and later a yellow booklet. An anecdote from IBM refers to a scen...
green card3 is room at Yorktown in 1978. A luser overheard one of the programmers ask another "Do you have a green card?" The other grunted and passed the first a thick yellow booklet. At this point the luser turned a delicate shade of ol...
green card4 is return. See also {card}.
green lightning is [IBM] n. 1. Apparently random flashing streaks on the face of 3278-9 terminals while a new symbol set is being downloaded. This hardware bug was left deliberately unfixed, as some genius within IBM suggested it would let th...
green lightning2 is That, it certainly does. Later microprocessor-driven IBM color graphics displays were actually *programmed* to produce green lightning! 2. [proposed] Any bug perverted into an alleged feature by adroit rationalization or ...
green lightning3 is the 88000 architecture `compatibility logic', but I call it green lightning". See also {feature}.
green machine is n. A computer or peripheral device that has been designed and built to military specifications for field equipment (that is, to withstand mechanical shock, extremes of temperature and humidity, and so forth). Comes from the o...
Green's Theorem is [TMRC] prov. For any story, in any group of people there will be at least one person who has not heard the story. [The name of this theorem is a play on a fundamental theorem in calculus. --- ESR]
grep is /grep/ [from the qed/ed editor idiom g/re/p , where re stands for a regular expression, to Globally search for the Regular Expression and Print the lines containing matches to it, via {{UNIX}} `grep(1)'] vt. To rapidly scan a file or f...
grep2 is pattern. By extension, to look for something by pattern. "Grep the bulletin board for the system backup schedule, would you?" See also {vgrep}.
grind is vt. 1. [MIT and Berkeley] To format code, especially LISP code, by indenting lines so that it looks pretty. This usage was associated with the MacLISP community and is now rare; {prettyprint} was and is the generic term for such op...
grind2 is version of a document from the nroff, troff, TeX, or Scribe source. The BSD program `vgrind(1)' grinds code for printing on a Versatec bitmapped printer. 3. To run seemingly interminably, esp. (but not necessarily) if performing ...
grind3 is Similar to {crunch} or {grovel}. Grinding has a connotation of using a lot of CPU time, but it is possible to grind a disk, network, etc. See also {hog}. 4. To make the whole system slow. "Troff really grinds a PDP-11." 5. `grin...
grind crank is n. A mythical accessory to a terminal. A crank on the side of a monitor, which when operated makes a zizzing noise and causes the computer to run faster. Usually one does not refer to a grind crank out loud, but merely makes t...
grind crank2 is {grind} and {wugga wugga}. Historical note At least one real machine actually had a grind crank --- the R1, a research machine built toward the end of the days of the great vacuum tube computers, in 1959. R1 (also known as `...
grind crank3 is as `The Rice University Computer' (TRUC)) had a single-step/free-run switch for use when debugging programs. Since single-stepping through a large program was rather tedious, there was also a crank with a cam and gear arrang...
grind crank4 is button. This allowed one to `crank' through a lot of code, then slow down to single-step for a bit when you got near the code of interest, poke at some registers using the console typewriter, and then keep on cranking.
gritch is /grich/ 1. n. A complaint (often caused by a {glitch}). 2. vi. To complain. Often verb-doubled "Gritch gritch". 3. A synonym for {glitch} (as verb or noun).
grok is /grok/, var. /grohk/ [from the novel `Stranger in a Strange Land', by Robert A. Heinlein, where it is a Martian word meaning literally `to drink' and metaphorically `to be one with'] vt. 1. To understand, usually in a global sense. Co...
grok2 is Contrast {zen}, similar supernal understanding as a single brief flash. See also {glark}. 2. Used of programs, may connote merely sufficient understanding. "Almost all C compilers grok the `void' type these days."
gronk is /gronk/ [popularized by Johnny Hart's comic strip "B.C." but the word apparently predates that] vt. 1. To clear the state of a wedged device and restart it. More severe than `to {frob}'. 2. [TMRC] To cut, sever, smash, or similarl...
gronk2 is diskette drives. In particular, the microfloppies on a Commodore Amiga go "grink, gronk".
gronk out is vi. To cease functioning. Of people, to go home and go to sleep. "I guess I'll gronk out now; see you all tomorrow."
gronked is adj. 1. Broken. "The teletype scanner was gronked, so we took the system down." 2. Of people, the condition of feeling very tired or (less commonly) sick. "I've been chasing that bug for 17 hours now and I am thoroughly gronked!"...
gronked2 is same as {gronk} used of hardware, but connotes depression or mental/emotional problems in people.
grovel is vi. 1. To work interminably and without apparent progress. Often used transitively with `over' or `through'. "The file scavenger has been groveling through the file directories for 10 minutes now." Compare {grind} and {crunch}. Em...
grovel2 is examine minutely or in complete detail. "The compiler grovels over the entire source program before beginning to translate it." "I grovelled through all the documentation, but I still couldn't find the command I wanted."
grunge is /gruhnj/ n. 1. That which is grungy, or that which makes it so. 2. [Cambridge] Code which is inaccessible due to changes in other parts of the program. The preferred term in North America is {dead code}.
gubbish is /guhb'*sh/ [a portmanteau of `garbage' and `rubbish'?] n. Garbage; crap; nonsense. "What is all this gubbish?" The opposite portmanteau `rubbage' is also reported.
guiltware is /gilt'weir/ n. 1. A piece of {freeware} decorated with a message telling one how long and hard the author worked on it and intimating that one is a no-good freeloader if one does not immediately send the poor suffering martyr gobs...
gumby is /guhm'bee/ [from a class of Monty Python characters, poss. themselves named after the 1960s claymation character] n. An act of minor but conspicuous stupidity, often in `gumby maneuver' or `pull a gumby'.
gun is [ITS from the `GUN' command] vt. To forcibly terminate a program or job (computer, not career). "Some idiot left a background process running soaking up half the cycles, so I gunned it." Compare {can}.
gunch is /guhnch/ [TMRC] vt. To push, prod, or poke at a device that has almost produced the desired result. Implies a threat to {mung}.
gurfle is /ger'fl/ interj. An expression of shocked disbelief. "He said we have to recode this thing in FORTRAN by next week. Gurfle!" Compare {weeble}.
guru is n. 1. [UNIX] An expert. Implies not only {wizard} skill but also a history of being a knowledge resource for others. Less often, used (with a qualifier) for other experts on other systems, as in `VMS guru'. See {source of all good b...
guru2 is UNIX. When the system crashes, a cryptic message "GURU MEDITATION #XXXXXXXX.YYYYYYYY" appears, indicating what the problem was. An Amiga guru can figure things out from the numbers. Generally a {guru} event must be followed by a ...
guru3 is A method of `marking' common words, i.e., calling attention to the fact that they are being used in a nonstandard, ironic, or humorous way. Originated in the fannish catchphrase "Bheer is the One True Ghod!" from decades ago. H-inf...
guru4 is into the 1960s counterculture via underground comix, and into early hackerdom either from the counterculture or from SF fandom (the three overlapped heavily at the time). More recently, the h infix has become an expected feature of...
guru5 is etc.); this is prob. patterning on the original Whetstone (the name of a laboratory) but influenced by the fannish/counterculture h infix.
ha ha only serious is [from SF fandom, orig. as mutation of HHOK, `Ha Ha Only Kidding'] A phrase (often seen abbreviated as HHOS) that aptly captures the flavor of much hacker discourse. Applied especially to parodies, absurdities, and ironic...
ha ha only serious2 is to contain a possibly disquieting amount of truth, or truths that are constructed on in-joke and self-parody. This lexicon contains many examples of ha-ha-only-serious in both form and content. Indeed, the entirety of h...
ha ha only serious3 is ha-ha-only-serious by hackers themselves; to take it either too lightly or too seriously marks a person as an outsider, a {wannabee}, or in {larval stage}. For further enlightenment on this subject, consult any Zen mast...
hack is 1. n. Originally, a quick job that produces what is needed, but not well. 2. n. An incredibly good, and perhaps very time-consuming, piece of work that produces exactly what is needed. 3. vt. To bear emotionally or physically. "I can...
hack2 is something (typically a program). In an immediate sense "What are you doing?" "I'm hacking TECO." In a general (time-extended) sense "What do you do around here?" "I hack TECO." More generally, "I hack `foo'" is roughly equivalent...
hack3 is "I hack solid-state physics." 5. vt. To pull a prank on. See sense 2 and {hacker} (sense 5). 6. vi. To interact with a computer in a playful and exploratory rather than goal-directed way. "Whatcha up to?" "Oh, just hacking." 7...
hack4 is Constructions on this term abound. They include `happy hacking' (a farewell), `how's hacking?' (a friendly greeting among hackers) and `hack, hack' (a fairly content-free but friendly comment, often used as a temporary farewell). Fo...
hack5 is See also {neat hack}, {real hack}.
hack attack is [poss. by analogy with `Big Mac Attack' from ads for the McDonald's fast-food chain; the variant `big hack attack' is reported] n. Nearly synonymous with {hacking run}, though the latter more strongly implies an all-nighter.
hack mode is n. 1. What one is in when hacking, of course. 2. More specifically, a Zen-like state of total focus on The Problem that may be achieved when one is hacking (this is why every good hacker is part mystic). Ability to enter such co...
hack mode2 is wizardliness; it is one of the most important skills learned during {larval stage}. Sometimes amplified as `deep hack mode'. Being yanked out of hack mode (see {priority interrupt}) may be experienced as a physical shock, and ...
hack mode3 is little habituating. The intensity of this experience is probably by itself sufficient explanation for the existence of hackers, and explains why many resist being promoted out of positions where they can code. See also {cybersp...
hack mode4 is etiquette will appear quite odd to an observer unaware of the high value placed on hack mode. For example, if someone appears at your door, it is perfectly okay to hold up a hand (without turning one's eyes away from the screen)...
hack mode5 is type, and interact with the computer for quite some time before further acknowledging the other's presence (of course, he or she is reciprocally free to leave without a word). The understanding is that you might be in {hack mo...
hack mode6 is your head, and you dare not {swap} that context out until you have reached a good point to pause. See also {juggling eggs}.
hack on is vt. To {hack}; implies that the subject is some pre-existing hunk of code that one is evolving, as opposed to something one might {hack up}.
hack together is vt. To throw something together so it will work. Unlike `kluge together' or {cruft together}, this does not necessarily have negative connotations.
hack up is vt. To {hack}, but generally implies that the result is a hack in sense 1 (a quick hack). Contrast this with {hack on}. To `hack up on' implies a {quick-and-dirty} modification to an existing system. Contrast {hacked up}; compare ...
hack value is n. Often adduced as the reason or motivation for expending effort toward a seemingly useless goal, the point being that the accomplished goal is a hack. For example, MacLISP had features for reading and printing Roman numerals, ...
hack value2 is See {display hack} for one method of computing hack value, but this cannot really be explained. As a great artist once said of jazz "If you hafta ask, you ain't never goin' to find out."
hack-and-slay is v. (also `hack-and-slash') 1. To play a {MUD} or go mudding, especially with the intention of {berserking} for pleasure. 2. To undertake an all-night programming/hacking session, interspersed with stints of mudding as a chang...
hack-and-slay2 is academic network amongst students who worked nights and logged onto Essex University's MUDs during public-access hours (2 A.M. to 7 A.M.). Usually more mudding than work was done in these sessions.
hacked off is [analogous to `pissed off'] adj. Said of system administrators who have become annoyed, upset, or touchy owing to suspicions that their sites have been or are going to be victimized by crackers, or used for inappropriate, technic...
hacked off2 is activities. For example, having unreadable files in your home directory called `worm', `lockpick', or `goroot' would probably be an effective (as well as impressively obvious and stupid) way to get your sysadmin hacked off at y...
hacked up is adj. Sufficiently patched, kluged, and tweaked that the surgical scars are beginning to crowd out normal tissue (compare {critical mass}). Not all programs that are hacked become `hacked up'; if modifications are done with some e...
hacked up2 is maintainability, the software may emerge better for the experience. Contrast {hack up}.
hacker is [originally, someone who makes furniture with an axe] n. 1. A person who enjoys exploring the details of programmable systems and how to stretch their capabilities, as opposed to most users, who prefer to learn only the minimum neces...
hacker2 is (even obsessively) or who enjoys programming rather than just theorizing about programming. 3. A person capable of appreciating {hack value}. 4. A person who is good at programming quickly. 5. An expert at a particular program, ...
hacker3 is it; as in `a UNIX hacker'. (Definitions 1 through 5 are correlated, and people who fit them congregate.) 6. An expert or enthusiast of any kind. One might be an astronomy hacker, for example. 7. One who enjoys the intellectual...
hacker4 is circumventing limitations. 8. [deprecated] A malicious meddler who tries to discover sensitive information by poking around. Hence `password hacker', `network hacker'. See {cracker}. It is better to be described as a hacker by ...
hacker5 is Hackers consider themselves something of an elite (a meritocracy based on ability), though one to which new members are gladly welcome. There is thus a certain ego satisfaction to be had in identifying yourself as a hacker (but if ...
hacker6 is quickly be labeled {bogus}).
hacking run is [analogy with `bombing run' or `speed run'] n. A hack session extended long outside normal working times, especially one longer than 12 hours. May cause you to `change phase the hard way' (see {phase}).
Hacking X for Y is [ITS] n. The information ITS made publicly available about each user (the INQUIR record) was a sort of form in which the user could fill out fields. On display, two of these fields were combined into a project description o...
Hacking X for Y2 is `"Hacking perceptrons for Minsky"'). This form of description became traditional and has since been carried over to other systems with more general facilities for self-advertisement (such as UNIX {plan file}s).
Hackintosh is n. 1. An Apple Lisa that has been hacked into emulating a Macintosh (also called a `Mac XL'). 2. A Macintosh assembled from parts theoretically belonging to different models in the line.
hackish is /hak'ish/ adj. (also {hackishness} n.) 1. Said of something that is or involves a hack. 2. Of or pertaining to hackers or the hacker subculture. See also {true-hacker}.
hackishness is n. The quality of being or involving a hack. This term is considered mildly silly. Syn. {hackitude}.
hackitude is n. Syn. {hackishness}; this word is considered sillier.
hair is [back-formation from {hairy}] n. The complications that make something hairy. "Decoding {TECO} commands requires a certain amount of hair." Often seen in the phrase `infinite hair', which connotes extreme complexity. Also in `hairif...
hair2 is "GNUMACS Elisp encourages lusers to write complex editing modes." "Yeah, it's pretty hairiferous all right." (or just "Hair squared!")
hairy is adj. 1. Annoyingly complicated. "{DWIM} is incredibly hairy." 2. Incomprehensible. "{DWIM} is incredibly hairy." 3. Of people, high-powered, authoritative, rare, expert, and/or incomprehensible. Hard to explain except in context "...
hairy2 is nothing to worry about." See also {hirsute}.
HAKMEM is /hak'mem/ n. MIT AI Memo 239 (February 1972). A legendary collection of neat mathematical and programming hacks contributed by many people at MIT and elsewhere. (The title of the memo really is "HAKMEM", which is a 6-letterism for ...
factpacks/jargon-split.fact view on Meta::CPAN
segment is /seg'ment/ vi. To experience a {segmentation fault}. Confusingly, this is often pronounced more like the noun `segment' than like mainstream v. segment; this is because it is actually a noun shorthand that has been verbed.
segmentation fault is n. [UNIX] 1. An error in which a running program attempts to access memory not allocated to it and {core dump}s with a segmentation violation error. 2. To lose a train of thought or a line of reasoning. Also uttered as ...
segv is /seg'vee/ n.,vi. Yet another synonym for {segmentation fault} (actually, in this case, `segmentation violation').
self-reference is n. See {self-reference}.
selvage is /sel'v*j/ [from sewing] n. See {chad} (sense 1).
semi is /se'mee/ or /se'mi/ 1. n. Abbreviation for `semicolon', when speaking. "Commands to {grind} are prefixed by semi-semi-star" means that the prefix is `;;*', not 1/4 of a star. 2. A prefix used with words such as `immediately' as a q...
semi2 is "Semi-immediately." (That is, maybe not for an hour.) "We did consider that possibility semi-seriously." See also {infinite}.
semi-infinite is n. See {infinite}.
senior bit is [IBM] n. Syn. {meta bit}.
server is n. A kind of {daemon} that performs a service for the requester and which often runs on a computer other than the one on which the server runs. A particularly common term on the Internet, which is rife with `name servers', `domain s...
SEX is /seks/ [Sun Users' Group & elsewhere] n. 1. Software EXchange. A technique invented by the blue-green algae hundreds of millions of years ago to speed up their evolution, which had been terribly slow up until then. Today, SEX parties ...
SEX2 is course, these are no longer limited to exchanges of genetic software). In general, SEX parties are a {Good Thing}, but unprotected SEX can propagate a {virus}. See also {pubic directory}. 2. The rather Freudian mnemonic often used ...
SEX3 is the PDP-11 and many other architectures. DEC's engineers nearly got a PDP-11 assembler that used the `SEX' mnemonic out the door at one time, but (for once) marketing wasn't asleep and forced a change. That wasn't the last time th...
SEX4 is 8086 Primer', who was one of the original designers of the 8086, noted that there was originally a `SEX' instruction on that processor, too. He says that Intel management got cold feet and decreed that it be changed, and thus the in...
SEX5 is (depending on what was being extended). Amusingly, the Intel 8048 (the microcontroller used in IBM PC keyboards) is also missing straight `SEX' but has logical-or and logical-and instructions `ORL' and `ANL'. The Motorola 6809, used ...
SEX6 is actually had an official `SEX' instruction; the 6502 in the Apple II it competed with did not. British hackers thought this made perfect mythic sense; after all, it was commonly observed, you could have sex with a dragon, but you can'...
sex changer is n. Syn. {gender mender}.
shareware is /sheir'weir/ n. {Freeware} (sense 1) for which the author requests some payment, usually in the accompanying documentation files or in an announcement made by the software itself. Such payment may or may not buy additional suppor...
shelfware is /shelfweir/ n. Software purchased on a whim (by an individual user) or in accordance with policy (by a corporation or government agency), but not actually required for any particular use. Therefore, it often ends up on some shelf.
shell is [orig. {{Multics}} techspeak, widely propagated via UNIX] n. 1. [techspeak] The command interpreter used to pass commands to an operating system; so called because it is the part of the operating system that interfaces with the outsid...
shell2 is program that mediates access to a special resource or {server} for convenience, efficiency, or security reasons; for this meaning, the usage is usually `a shell around' whatever. This sort of program is also called a `wrapper'.
shell out is [UNIX] n. To spawn an interactive {subshell} from within a program (e.g., a mailer or editor). "Bang foo runs foo in a subshell, while bang alone shells out."
shift left logical is [from any of various machines' instruction sets] 1. vi. To move oneself to the left (right). To move out of the way. 2. imper. "Get out of that (my) seat! You can shift to that empty one to the left (right)." Often ...
shift left logical2 is instead of `shift left'. Sometimes heard as LSH /lish/, from the {PDP-10} instruction set. See {Programmer's Cheer}.
shitogram is /shit'oh-gram/ n. A *really* nasty piece of email. Compare {nastygram}, {flame}.
short card is n. A half-length IBM PC expansion card or adapter that will fit in one of the two short slots located towards the right rear of a standard chassis (tucked behind the floppy disk drives). See also {tall card}.
shotgun debugging is n. The software equivalent of {Easter egging}; the making of relatively undirected changes to software in the hope that a bug will be perturbed out of existence. This almost never works, and usually introduces more bugs.
showstopper is n. A hardware or (especially) software bug that makes an implementation effectively unusable; one that absolutely has to be fixed before development can go on. Opposite in connotation from its original theatrical use, which ref...
shriek is n. See {excl}. Occasional CMU usage, also in common use among APL fans and mathematicians, especially category theorists.
Shub-Internet is /shuhb in't*r-net/ [MUD from H. P. Lovecraft's evil fictional deity `Shub-Niggurath', the Black Goat with a Thousand Young] n. The harsh personification of the Internet, Beast of a Thousand Processes, Eater of Characters, Ava...
Shub-Internet2 is the hideous multi-tendriled entity formed of all the manifold connections of the net. A sect of MUDders worships Shub-Internet, sacrificing objects and praying for good connections. To no avail --- its purpose is malign and...
Shub-Internet3 is slowdown. Often heard as in "Freela casts a tac nuke at Shub-Internet for slowing her down." (A forged response often follows along the lines of "Shub-Internet gulps down the tac nuke and burps happily.") Also cursed by use...
Shub-Internet4 is slows down. The dread name of Shub-Internet is seldom spoken aloud, as it is said that repeating it three times will cause the being to wake, deep within its lair beneath the Pentagon.
sidecar is n. 1. Syn. {slap on the side}. Esp. used of add-ons for the late and unlamented IBM PCjr. 2. The IBM PC compatibility box that could be bolted onto the side of an Amiga. Designed and produced by Commodore, it broke all of the com...
sidecar2 is other peripherals, it was by {magic}.
sig block is /sig blok/ [UNIX often written `.sig' there] n. Short for `signature', used specifically to refer to the electronic signature block that most UNIX mail- and news-posting software will {automagically} append to outgoing mail and ne...
sig block2 is quite an art form, including an ASCII logo or one's choice of witty sayings (see {sig quote}, {fool file}); but many consider large sigs a waste of {bandwidth}, and it has been observed that the size of one's sig block is usual...
sig block3 is and level of prestige on the net.
sig quote is /sig kwoht/ [USENET] n. A maxim, quote, proverb, joke, or slogan embedded in one's {sig block} and intended to convey something of one's philosophical stance, pet peeves, or sense of humor. "Calm down, it's only ones and zeroes."
signal-to-noise ratio is [from analog electronics] n. Used by hackers in a generalization of its technical meaning. `Signal' refers to useful information conveyed by some communications medium, and `noise' to anything else on that medium. He...
signal-to-noise ratio2 is paying attention to the medium in question. Figures for such metaphorical ratios are never given. The term is most often applied to {USENET} newsgroups during {flame war}s. Compare {bandwidth}. See also {coefficient...
silicon is n. Hardware, esp. ICs or microprocessor-based computer systems (compare {iron}). Contrasted with software. See also {sandbender}.
silicon foundry is n. A company that {fab}s chips to the designs of others. As of the late 1980s, the combination of silicon foundries and good computer-aided design software made it much easier for hardware-designing startup companies to com...
silicon foundry2 is silicon foundry is that the distance from the actual chip-fabrication processes reduces designers' control of detail. This is somewhat analogous to the use of {HLL}s versus coding in assembler.
silly walk is [from Monty Python's Flying Circus] vi. 1. A ridiculous procedure required to accomplish a task. Like {grovel}, but more {random} and humorous. "I had to silly-walk through half the /usr directories to find the maps file." 2. ...
silo is n. The FIFO input-character buffer in an RS-232 line card. So called from DEC terminology used on DH and DZ line cards for the VAX and PDP-11, presumably because it was a storage space for fungible stuff that you put in the top and to...
Silver Book is n. Jensen and Wirth's infamous `Pascal User Manual and Report', so called because of the silver cover of the widely distributed Springer-Verlag second edition of 1978 (ISBN 0-387-90144-2). See {{book titles}}, {Pascal}.
since time T equals minus infinity is adj. A long time ago; for as long as anyone can remember; at the time that some particular frob was first designed. Usually the word `time' is omitted. See also {time T}.
sitename is /sit'naym/ [UNIX/Internet] n. The unique electronic name of a computer system, used to identify it in UUCP mail, USENET, or other forms of electronic information interchange. The folklore interest of sitenames stems from the creat...
sitename2 is Interpreting a sitename is not unlike interpreting a vanity license plate; one has to mentally unpack it, allowing for mono-case and length restrictions and the lack of whitespace. Hacker tradition deprecates dull, institutiona...
sitename3 is and clever coinages (except that it is considered appropriate for the official public gateway machine of an organization to bear the organization's name or acronym). Mythological references, cartoon characters, animal names, an...
sitename4 is probably the most popular sources for sitenames (in roughly descending order). The obligatory comment when discussing these is Harris's Lament "All the good ones are taken!" See also {network address}.
skrog is v. Syn. {scrog}.
skulker is n. Syn. {prowler}.
slap on the side is n. (also called a {sidecar}, or abbreviated `SOTS'.) A type of external expansion hardware marketed by computer manufacturers (e.g., Commodore for the Amiga 500/1000 series and IBM for the hideous failure called `PCjr'). ...
slap on the side2 is as memory, hard drive controllers, and conventional expansion slots.
slash is n. Common name for the slant (`/', ASCII 0101111) character. See {ASCII} for other synonyms.
sleep is vi. 1. [techspeak] On a timesharing system, a process that relinquishes its claim on the scheduler until some given event occurs or a specified time delay elapses is said to `go to sleep'. 2. In jargon, used very similarly to v. {blo...
sleep2 is on'. Often used to indicate that the speaker has relinquished a demand for resources until some (possibly unspecified) external event "They can't get the fix I've been asking for into the next release, so I'm going to sleep on it ...
slim is n. A small, derivative change (e.g., to code).
slop is n. 1. A one-sided {fudge factor}, that is, an allowance for error but in only one of two directions. For example, if you need a piece of wire 10 feet long and have to guess when you cut it, you make very sure to cut it too long, by a ...
slop2 is short by even a little bit, because you can always cut off the slop but you can't paste it back on again. When discrete quantities are involved, slop is often introduced to avoid the possibility of being on the losing side of a {fence...
slop3 is code generated by a compiler over the size of equivalent assembler code produced by {hand-hacking}; i.e., the space (or maybe time) you lose because you didn't do it yourself. This number is often used as a measure of the goodness ...
slop4 is 10% is usually acceptable. With modern compiler technology, esp. on RISC machines, the compiler's slop may actually be *negative*; that is, humans may be unable to generate code as good. This is one of the reasons assembler program...
slopsucker is /slop'suhk-r/ n. A lowest-priority task that must wait around until everything else has `had its fill' of machine resources. Only when the machine would otherwise be idle is the task allowed to `suck up the slop'. Also called a...
slopsucker2 is slopsucker hunts for large prime numbers. Compare {background}.
slurp is vt. To read a large data file entirely into {core} before working on it. This may be contrasted with the strategy of reading a small piece at a time, processing it, and then reading the next piece. "This program slurps in a 1K-by-1K...
smart is adj. Said of a program that does the {Right Thing} in a wide variety of complicated circumstances. There is a difference between calling a program smart and calling it intelligent; in particular, there do not exist any intelligent pr...
smart2 is {robust} (smart programs can be {brittle}).
smart terminal is n. A terminal that has enough computing capability to render graphics or to offload some kind of front-end processing from the computer it talks to. The development of workstations and personal computers has made this term a...
smart terminal2 is semi-obsolescent, but one may still hear variants of the phrase `act like a smart terminal' used to describe the behavior of workstations or PCs with respect to programs that execute almost entirely out of a remote {server}'...
smart terminal3 is Compare {glass tty}. There is a classic quote from Rob Pike (inventor of the {blit} terminal) "A smart terminal is not a smart*ass* terminal, but rather a terminal you can educate." This illustrates a common design proble...
smart terminal4 is else) intelligent sometimes results in finicky, rigid `special features' that become just so much dead weight if you try to use the device in any way the designer didn't anticipate. Flexibility and programmability, on the...
smash case is vi. To lose or obliterate the uppercase/lowercase distinction in text input. "MS-DOS will automatically smash case in the names of all the files you create." Compare {fold case}.
smash the stack is [C programming] n. On many C implementations it is possible to corrupt the execution stack by writing past the end of an array declared `auto' in a routine. Code that does this is said to `smash the stack', and can cause re...
smash the stack2 is address. This can produce some of the most insidious data-dependent bugs known to mankind. Variants include `trash' the stack, {scribble} the stack, {mangle} the stack; the term *{mung} the stack is not used, as this is n...
smash the stack3 is also {aliasing bug}, {fandango on core}, {memory leak}, {precedence lossage}, {overrun screw}.
smiley is n. See {emoticon}.
smoke test is n. 1. A rudimentary form of testing applied to electronic equipment following repair or reconfiguration, in which power is applied and the tester checks for sparks, smoke, or other dramatic signs of fundamental failure. See {mag...
smoke test2 is of a piece of software after construction or a critical change. See and compare {reality check}. There is an interesting semi-parallel to this term among typographers and printers When new typefaces are being punch-cut by han...
smoke test3 is smoke, then press it onto paper) is used to check out new dies.
smoking clover is [ITS] n. A {display hack} originally due to Bill Gosper. Many convergent lines are drawn on a color monitor in {AOS} mode (so that every pixel struck has its color incremented). The lines all have one endpoint in the middle...
smoking clover2 is spaced one pixel apart around the perimeter of a large square. The color map is then repeatedly rotated. This results in a striking, rainbow-hued, shimmering four-leaf clover. Gosper joked about keeping it hidden from the...
smoking clover3 is Administration) lest its hallucinogenic properties cause it to be banned.
SMOP is /S-M-O-P/ [Simple (or Small) Matter of Programming] n. 1. A piece of code, not yet written, whose anticipated length is significantly greater than its complexity. Used to refer to a program that could obviously be written, but is not ...
SMOP2 is imply that a difficult problem can be easily solved because a program can be written to do it; the irony is that it is very clear that writing such a program will be a great deal of work. "It's easy to enhance a FORTRAN compiler to ...
SMOP3 is Often used ironically by the intended victim when a suggestion for a program is made which seems easy to the suggester, but is obviously (to the victim) a lot of work.
SNAFU principle is /sna'foo prin'si-pl/ [from WWII Army acronym for `Situation Normal, All Fucked Up'] n. "True communication is possible only between equals, because inferiors are more consistently rewarded for telling their superiors pleasan...
SNAFU principle2 is central tenet of {Discordianism}, often invoked by hackers to explain why authoritarian hierarchies screw up so reliably and systematically. The effect of the SNAFU principle is a progressive disconnection of decision-mak...
snail is vt. To {snail-mail} something. "Snail me a copy of those graphics, will you?"
snail-mail is n. Paper mail, as opposed to electronic. Sometimes written as the single word `SnailMail'. One's postal address is, correspondingly, a `snail address'. Derives from earlier coinage `USnail' (from `U.S. Mail'), for which there ...
snap is v. To replace a pointer to a pointer with a direct pointer; to replace an old address with the forwarding address found there. If you telephone the main number for an institution and ask for a particular person by name, the operator ma...
snap2 is connecting you, in the hopes that you will `snap your pointer' and dial direct next time. The underlying metaphor may be that of a rubber band stretched through a number of intermediate points; if you remove all the thumbtacks in the...
snap3 is first to last. See {chase pointers}. Often, the behavior of a {trampoline} is to perform an error check once and then snap the pointer that invoked it so as henceforth to bypass the trampoline (and its one-shot error check). In th...
snap4 is links'. For example, in a Lisp implementation, a function interface trampoline might check to make sure that the caller is passing the correct number of arguments; if it is, and if the caller and the callee are both compiled, then ...
snap5 is to use a direct procedure-call instruction with no further overhead.
snarf is /snarf/ vt. 1. To grab, esp. to grab a large document or file for the purpose of using it with or without the author's permission. See also {BLT}. 2. [in the UNIX community] To fetch a file or set of files across a network. See als...
snarf2 is late 1960s, meaning `to eat piggishly'. It may still have this connotation in context. "He's in the snarfing phase of hacking --- {FTP}ing megs of stuff a day." 3. To acquire, with little concern for legal forms or politesse (but...
snarf3 is away samples, so I snarfed a bunch of them." 4. Syn. for {slurp}. "This program starts by snarfing the entire database into core, then...."
snarf & barf is /snarf'n-barf`/ n. Under a {WIMP environment}, the act of grabbing a region of text and then stuffing the contents of that region into another region (or the same one) to avoid retyping a command line. In the late 1960s, this ...
snarf & barf2 is regret it later' cheap-restaurant expedition.
snarf down is v. To {snarf}, with the connotation of absorbing, processing, or understanding. "I'll snarf down the latest version of the {nethack} user's guide --- It's been a while since I played last and I don't know what's changed recentl...
snark is [Lewis Carroll, via the Michigan Terminal System] n. 1. A system failure. When a user's process bombed, the operator would get the message "Help, Help, Snark in MTS!" 2. More generally, any kind of unexplained or threatening event o...
snark2 is boojum). Often used to refer to an event or a log file entry that might indicate an attempted security violation. See {snivitz}. 3. UUCP name of snark.thyrsus.com, home site of the Jargon File 2.*.* versions (i.e., this lexicon)...
sneakernet is /snee'ker-net/ n. Term used (generally with ironic intent) for transfer of electronic information by physically carrying tape, disks, or some other media from one machine to another. "Never underestimate the bandwidth of a stati...
sneakernet2 is filled with CD-ROMs." Also called `Tennis-Net', `Armpit-Net', `Floppy-Net'.
sniff is v.,n. Synonym for {poll}.
snivitz is /sniv'itz/ n. A hiccup in hardware or software; a small, transient problem of unknown origin (less serious than a {snark}). Compare {glitch}.
SO is /S-O/ n. 1. (also `S.O.') Abbrev. for Significant Other, almost invariably written abbreviated and pronounced /S-O/ by hackers. Used to refer to one's primary relationship, esp. a live-in to whom one is not married. See {MOTAS}, {MOT...
SO2 is character in ASCII (Control-N, 0001110).
social science number is [IBM] n. A statistic that is {content-free}, or nearly so. A measure derived via methods of questionable validity from data of a dubious and vague nature. Predictively, having a social science number in hand is seldom...
social science number2 is considerably worse. {Management} loves them. See also {numbers}, {math-out}, {pretty pictures}.
soft boot is n. See {boot}.
softcopy is /soft'ko-pee/ n. [by analogy with `hardcopy'] A machine-readable form of corresponding hardcopy. See {bits}, {machinable}.
software bloat is n. The results of {second-system effect} or {creeping featuritis}. Commonly cited examples include `ls(1)', {X}, {BSD}, {Missed'em-five}, and {OS/2}.
software rot is n. Term used to describe the tendency of software that has not been used in a while to {lose}; such failure may be semi-humorously ascribed to {bit rot}. More commonly, `software rot' strikes when a program's assumptions becom...
software rot2 is insufficiently {robust}, this may cause it to fail in mysterious ways. For example, owing to endemic shortsightedness in the design of COBOL programs, most will succumb to software rot when their 2-digit year counters {wrap ...
software rot3 is Actually, related lossages often afflict centenarians who have to deal with computer software designed by unimaginative clods. One such incident became the focus of a minor public flap in 1990, when a gentleman born in 1889 a...
software rot4 is Raleigh, North Carolina. The new system refused to issue the card, probably because with 2-digit years the ages 101 and 1 cannot be distinguished. Historical note Software rot in an even funnier sense than the mythical one ...
software rot5 is (e.g., the R1; see {grind crank}). If a program that depended on a peculiar instruction hadn't been run in quite a while, the user might discover that the opcodes no longer did the same things they once did. ("Hey, so-and-...
software rot6 is We can {snarf} this opcode, right? No one uses it.") Another classic example of this sprang from the time an MIT hacker found a simple way to double the speed of the unconditional jump instruction on a PDP-6, so he patched ...
factpacks/jargon-split.fact view on Meta::CPAN
spaghetti inheritance is n. [encountered among users of object-oriented languages that use inheritance, such as Smalltalk] A convoluted class-subclass graph, often resulting from carelessly deriving subclasses from other classes just for the s...
spaghetti inheritance2 is (successful) attempt to discourage such practice, through guilt-by-association with {spaghetti code}.
spam is [from the {MUD} community] vt. To crash a program by overrunning a fixed-size buffer with excessively large input data. See also {buffer overflow}, {overrun screw}, {smash the stack}.
special-case is vt. To write unique code to handle input to or situations arising in program that are somehow distinguished from normal processing. This would be used for processing of mode switches or interrupt characters in an interactive i...
special-case2 is normal commands), or for processing of {hidden flag}s in the input of a batch program or {filter}.
speedometer is n. A pattern of lights displayed on a linear set of LEDs (today) or nixie tubes (yesterday, on ancient mainframes). The pattern is shifted left every N times the software goes through its main loop. A swiftly moving pattern in...
speedometer2 is speedometer slows down as the system becomes overloaded. The speedometer on Sun Microsystems hardware bounces back and forth like the eyes on one of the Cylons from the wretched "Battlestar Galactica" TV series. Historical n...
speedometer3 is 600) actually had an *analog* speedometer on the front panel, calibrated in instructions executed per second.
spell is n. Syn. {incantation}.
spiffy is /spi'fee/ adj. 1. Said of programs having a pretty, clever, or exceptionally well-designed interface. "Have you seen the spiffy {X} version of {empire} yet?" 2. Said sarcastically of a program that is perceived to have little more ...
spiffy2 is meaning should be drawn depends delicately on tone of voice and context. This word was common mainstream slang during the 1940s, in a sense close to #1.
spin is vi. Equivalent to {buzz}. More common among C and UNIX programmers.
spl is /S-P-L/ [abbrev, from Set Priority Level] The way traditional UNIX kernels implement mutual exclusion by running code at high interrupt levels. Used in jargon to describe the act of tuning in or tuning out ordinary communication. Clas...
spl2 is at spl 6 today." would mean that he is very hard to interrupt. "Wait till I finish this; I'll spl down then." See also {interrupts locked out}.
splat is n. 1. Name used in many places (DEC, IBM, and others) for the asterisk (`*') character (ASCII 0101010). This may derive from the `squashed-bug' appearance of the asterisk on many early line printers. 2. [MIT] Name used by some peopl...
splat2 is [Rochester Institute of Technology] The {command key} on a Mac (same as {ALT}, sense 2). 4. [Stanford] Name used by some people for the Stanford/ITS extended ASCII circle-x character. This character is also called `blobby' and ...
splat3 is used by mathematicians as a notation for `tensor product'. 5. [Stanford] Name for the semi-mythical extended ASCII circle-plus character. 6. Canonical name for an output routine that outputs whatever the local interpretation of...
splat4 is 4--6 are now nearly obsolete. See also {{ASCII}}.
sponge is [UNIX] n. A special case of a {filter} that reads its entire input before writing any output; the canonical example is a sort utility. Unlike most filters, a sponge can conveniently overwrite the input file with the output data stre...
sponge2 is ITS did and VMS does now) the sponge/filter distinction loses its usefulness, because directing filter output would just write a new version. See also {slurp}.
spooge is /spooj/ 1. n. Inexplicable or arcane code, or random and probably incorrect output from a computer program. 2. vi. To generate spooge (sense 1).
spool is [from early IBM `Simultaneous Peripheral Operation Off-Line', but this acronym is widely thought to have been contrived for effect] vt. To send files to some device or program (a `spooler') that queues them up and does something usefu...
spool2 is understood is the `print spooler' controlling output of jobs to a printer, but the term has been used in connection with other peripherals (especially plotters and graphics devices). See also {demon}.
stack is n. A person's stack is the set of things he or she has to do in the future. One speaks of the next project to be attacked as having risen to the top of the stack. "I'm afraid I've got real work to do, so this'll have to be pushed wa...
stack2 is because every time I pop my stack something new gets pushed." If you are interrupted several times in the middle of a conversation, "My stack overflowed" means "I forget what we were talking about." The implication is that more i...
stack3 is remembered, so the least recent items were lost. The usual physical example of a stack is to be found in a cafeteria a pile of plates or trays sitting on a spring in a well, so that when you put one on the top they all sink down, ...
stack4 is spring up a bit. See also {push} and {pop}. At MIT, {pdl} used to be a more common synonym for {stack} in all these contexts, and this may still be true. Everywhere else {stack} seems to be the preferred term. {Knuth} (`The Art ...
stack5 is 1, p. 236) says Many people who realized the importance of stacks and queues independently have given other names to these structures stacks have been called push-down lists, reversion storages, cellars, nesti...
stack6 is lists, and even yo-yo lists!
stack puke is n. Some processor architectures are said to `puke their guts onto the stack' to save their internal state during exception processing. The Motorola 68020, for example, regurgitates up to 92 bytes on a bus fault. On a pipelined ...
stale pointer bug is n. Synonym for {aliasing bug} used esp. among microcomputer hackers.
state is n. 1. Condition, situation. "What's the state of your latest hack?" "It's winning away." "The system tried to read and write the disk simultaneously and got into a totally wedged state." The standard question "What's your state?" ...
state2 is you about to do?" Typical answers are "about to gronk out", or "hungry". Another standard question is "What's the state of the world?", meaning "What's new?" or "What's going on?". The more terse and humorous way of asking these...
state3 is of phrasing the first question under sense 1 would be "state-p latest hack?". 2. Information being maintained in non-permanent memory (electronic or human).
steam-powered is adj. Old-fashioned or underpowered; archaic. This term does not have a strong negative loading and may even be used semi-affectionately for something that clanks and wheezes a lot but hangs in there doing the job.
stiffy is [University of Lowell, Massachusetts.] n. 3.5-inch {microfloppies}, so called because their jackets are more firm than those of the 5.25-inch and the 8-inch floppy. Elsewhere this might be called a `firmy'.
stir-fried random is alt. `stir-fried mumble' n. Term used for the best dish of many of those hackers who can cook. Consists of random fresh veggies and meat wokked with random spices. Tasty and economical. See {random}, {great-wall}, {rav...
stomp on is vt. To inadvertently overwrite something important, usually automatically. "All the work I did this weekend got stomped on last night by the nightly server script." Compare {scribble}, {mangle}, {trash}, {scrog}, {roach}.
Stone Age is n., adj. 1. In computer folklore, an ill-defined period from ENIAC (ca. 1943) to the mid-1950s; the great age of electromechanical {dinosaur}s. Sometimes used for the entire period up to 1960--61 (see {Iron Age}); however, it is ...
Stone Age2 is the latter period in terms of a `Bronze Age' era of transistor-logic, pre-ferrite-{core} machines with drum or CRT mass storage (as opposed to just mercury delay lines and/or relays). See also {Iron Age}. 2. More generally, a...
Stone Age3 is hardware or software technology. Note that this is used even by people who were there for the {Stone Age} (sense 1).
stoppage is /sto'p*j/ n. Extreme {lossage} that renders something (usually something vital) completely unusable. "The recent system stoppage was caused by a {fried} transformer."
store is [prob. from techspeak `main store'] n. Preferred Commonwealth synonym for {core}. Thus, `bringing a program into store' means not that one is returning shrink-wrapped software but that a program is being {swap}ped in.
stroke is n. Common name for the slant (`/', ASCII 0101111) character. See {ASCII} for other synonyms.
strudel is n. Common (spoken) name for the circumflex (`', ASCII 1000000) character. See {ASCII} for other synonyms.
stubroutine is /stuhb'roo-teen/ [contraction of `stub routine'] n. Tiny, often vacuous placeholder for a subroutine that is to be written or fleshed out later.
studlycaps is /stuhd'lee-kaps/ n. A hackish form of silliness similar to {BiCapitalization} for trademarks, but applied randomly and to arbitrary text rather than to trademarks. ThE oRigiN and SigNificaNce of thIs pRacTicE iS oBscuRe.
stunning is adj. Mind-bogglingly stupid. Usually used in sarcasm. "You want to code *what* in ADA? That's ... a stunning idea!"
stupid-sort is n. Syn. {bogo-sort}.
subshell is /suhb'shel/ [UNIX, MS-DOS] n. An OS command interpreter (see {shell}) spawned from within a program, such that exit from the command interpreter returns one to the parent program in a state that allows it to continue execution. Co...
sucking mud is [Applied Data Research] adj. (also `pumping mud') Crashed or wedged. Usually said of a machine that provides some service to a network, such as a file server. This Dallas regionalism derives from the East Texas oilfield lament...
sucking mud2 is Often used as a query. "We are going to reconfigure the network, are you ready to suck mud?"
sufficiently small is adj. Syn. {suitably small}.
suit is n. 1. Ugly and uncomfortable `business clothing' often worn by non-hackers. Invariably worn with a `tie', a strangulation device that partially cuts off the blood supply to the brain. It is thought that this explains much about the b...
suit2 is 2. A person who habitually wears suits, as distinct from a techie or hacker. See {loser}, {burble}, {management}, and {brain-damaged}. English, by the way, is relatively kind; our Soviet correspondent informs us that the correspon...
suit3 is lit. a tool for grabbing garbage.
suitable win is n. See {win}.
suitably small is [perverted from mathematical jargon] adj. An expression used ironically to characterize unquantifiable behavior that differs from expected or required behavior. For example, suppose a newly created program came up with a cor...
suitably small2 is exclaimed "It works!" Then, if the program dumps core on the first mouse click, one might add "Well, for suitably small values of `works'." Compare the characterization of pi under {{random numbers}}.
sun-stools is n. Unflattering hackerism for SunTools, a pre-X windowing environment notorious in its day for size, slowness, and misfeatures. {X}, however, is larger and slower; see {second-system effect}.
sunspots is n. 1. Notional cause of an odd error. "Why did the program suddenly turn the screen blue?" "Sunspots, I guess." 2. Also the cause of {bit rot} --- from the myth that sunspots will increase {cosmic rays}, which can flip single bit...
superprogrammer is n. A prolific programmer; one who can code exceedingly well and quickly. Not all hackers are superprogrammers, but many are. (Productivity can vary from one programmer to another by three orders of magnitude. For example,...
superprogrammer2 is average of 3 lines of working code in one day, while another, with the proper tools, might be able to write 3,000. This range is astonishing; it is matched in very few other areas of human endeavor.) The term `superprog...
superprogrammer3 is places as IBM than in the hacker community. It tends to stress na"ive measures of productivity and to underweight creativity, ingenuity, and getting the job *done* --- and to sidestep the question of whether the 3,000 li...
superprogrammer4 is three lines that do the {Right Thing}. Hackers tend to prefer the terms {hacker} and {wizard}.
superuser is [UNIX] n. Syn. {root}, {avatar}. This usage has spread to non-UNIX environments; the superuser is any account with all {wheel} bits on. A more specific term than {wheel}.
support is n. After-sale handholding; something many software vendors promise but few deliver. To hackers, most support people are useless --- because by the time a hacker calls support he or she will usually know the relevant manuals better ...
support2 is *not* a joke or exaggeration). A hacker's idea of `support' is a t^ete-`a-t^ete with the software's designer.
Suzie COBOL is /soo'zee koh'bol/ 1. [IBM prob. from Frank Zappa's `Suzy Creamcheese'] n. A coder straight out of training school who knows everything except the value of comments in plain English. Also (fashionable among personkind wishing to ...
Suzie COBOL2 is or (in some non-IBM circles) `Cobol Charlie'. 2. [proposed] Meta-name for any {code grinder}, analogous to {J. Random Hacker}.
swab is /swob/ [From the mnemonic for the PDP-11 `SWAp Byte' instruction, as immortalized in the `dd(1)' option `conv=swab' (see {dd})] 1. vt. To solve the {NUXI problem} by swapping bytes in a file. 2. n. The program in V7 UNIX used to perfo...
swab2 is equivalent to it. See also {big-endian}, {little-endian}, {middle-endian}, {bytesexual}.
swap is vt. 1. [techspeak] To move information from a fast-access memory to a slow-access memory (`swap out'), or vice versa (`swap in'). Often refers specifically to the use of disks as `virtual memory'. As pieces of data or program are nee...
swap2 is processing; when they are no longer needed they may be swapped out again. 2. The jargon use of these terms analogizes people's short-term memories with core. Cramming for an exam might be spoken of as swapping in. If you temporaril...
swap3 is it, your excuse is that it was swapped out. To `keep something swapped in' means to keep it fresh in your memory "I reread the TECO manual every few months to keep it swapped in." If someone interrupts you just as you got a good i...
swap4 is this out", implying that the piece of paper is your extra-somatic memory and if you don't swap the info out by writing it down it will get overwritten and lost as you talk. Compare {page in}, {page out}.
swap space is n. Storage space, especially temporary storage space used during a move or reconfiguration. "I'm just using that corner of the machine room for swap space."
swapped in is n. See {swap}. See also {page in}.
swapped out is n. See {swap}. See also {page out}.
swizzle is v. To convert external names, array indices, or references within a data structure into address pointers when the data structure is brought into main memory from external storage (also called `pointer swizzling'); this may be done f...
swizzle2 is simplify code (e.g., by turning lots of name lookups into pointer dereferences). The converse operation is sometimes termed `unswizzling'. See also {snap}.
sync is /sink/ (var. `synch') n., vi. 1. To synchronize, to bring into synchronization. 2. [techspeak] To force all pending I/O to the disk; see {flush}, sense 2. 3. More generally, to force a number of competing processes or agents to a sta...
sync2 is to crash; thus, to checkpoint (in the database-theory sense).
syntactic sugar is [coined by Peter Landin] n. Features added to a language or other formalism to make it `sweeter' for humans, that do not affect the expressiveness of the formalism (compare {chrome}). Used esp. when there is an obvious and ...
syntactic sugar2 is into other constructs already present in the notation. C's `a[i]' notation is syntactic sugar for `*(a + i)'. "Syntactic sugar causes cancer of the semicolon." --- Alan Perlis The variant `syntactic saccharine' is also...
syntactic sugar3 is gratuitous, in that syntactic sugar serves a purpose (making something more acceptable to humans) but syntactic saccharine serves no purpose at all.
sys-frog is /sis'frog/ [the PLATO system] n. Playful variant of `sysprog', which is in turn short for `systems programmer'.
sysadmin is /sis'ad-min/ n. Common contraction of `system admin'; see {admin}.
sysop is /sis'op/ n. [esp. in the BBS world] The operator (and usually the owner) of a bulletin-board system. A common neophyte mistake on {FidoNet} is to address a message to `sysop' in an international {echo}, thus sending it to hundreds of...
system is n. 1. The supervisor program or OS on a computer. 2. The entire computer system, including input/output devices, the supervisor program or OS, and possibly other software. 3. Any large-scale program. 4. Any method or algorithm. 5...
system2 is (in senses 1 and 2 only; for sense 3 one mentions the particular program e.g., `LISP hacker')
systems jock is n. See {jock}, (sense 2).
SysVile is /sis-vil'/ n. See {Missed'em-five}.
system mangler is n. Humorous synonym for `system manager', poss. from the fact that one major IBM OS had a {root} account called SYSMANGR. Refers specifically to a systems programmer in charge of administration, software maintenance, and upd...
system mangler2 is emphasizes the technical end of the skills involved.*T /T/ 1. [from LISP terminology for `true] Yes. Used in reply to a question (particularly one asked using the `-P convention). In LISP, the constant T means `true, among...
system mangler3 is instead of `Yes and `No almost reflexively. This sometimes causes misunderstandings. When a waiter or flight attendant asks whether a hacker wants coffee, he may well respond `T, meaning that he wants coffee; but of course...
system mangler4 is it happens, most hackers (particularly those who frequent Chinese restaurants) like tea at least as well as coffee --- so it is not that big a problem. 2. See {time T} (also {since time T equals minus infinity}). 3. [techs...
system mangler5 is abbreviation for the noun `transaction. 4. [Purdue] Alternate spelling of {tee}.
tail recursion is n. If you arent sick of it already, see {tail recursion}.
talk mode is n. A feature supported by UNIX, ITS, and some other OSes that allows two or more logged-in users to set up a real-time on-line conversation. It combines the immediacy of talking with all the precision (and verbosity) that written...
talk mode2 is communicate inflection, though conventions have arisen for some of these (see the section on writing style in the Prependices for details). Talk mode has a special set of jargon words, used to save typing, which are not used or...
talk mode3 is probably derived from) Morse-code jargon used by ham-radio amateurs since the 1920s. Most of these are not used at universities or in the UNIX world, though ROTF and TTFN have gained some currency there and IMHO is common; conv...
talk mode4 is unfamiliar with FOO?, BCNU, HELLOP, {NIL}, and {T}. The {MUD} community uses a mixture of USENET/Internet emoticons, a few of the more natural of the old-style talk-mode abbrevs, and some of the `social list above; specifically, ...
talk mode5 is b4, BTW, WTF, TTFN, and WTH. The use of `rehi is also common; in fact, mudders are fond of re- compounds and will frequently `rehug or `rebonk (see {bonk/oif}) people. The word `re by itself is taken as `regreet. In general, t...
talk mode6 is typing things out in full rather than using abbreviations; this may be due to the relative youth of the MUD cultures, which tend to include many touch typists and to assume high-speed links. The following uses specific to MUDs a...
talk mode7 is variant spelling `d00d) appear to be passing into wider use among some subgroups of MUDders. One final note on talk mode style neophytes, when in talk mode, often seem to think they must produce letter-perfect prose because t...
talk mode8 is not the best approach. It can be very frustrating to wait while your partner pauses to think of a word, or repeatedly makes the same spelling error and backs up to fix it. It is usually best just to leave typographical errors...
talk mode9 is confusion may result; in that case it is often fastest just to type "xxx" and start over from before the mistake. See also {hakspek}, {emoticon}, {bonk/oif}.
talker system is n. British hackerism for software that enables real-time chat or {talk mode}.
tall card is n. A PC/AT-size expansion card (these can be larger than IBM PC or XT cards because the AT case is bigger). See also {short card}. When IBM introduced the PS/2 model 30 (its last gasp at supporting the ISA) they made the case lo...
tall card2 is wouldnt fit; this was felt to be a reincarnation of the {connector conspiracy}, done with less style.
tanked is adj. Same as {down}, used primarily by UNIX hackers. See also {hosed}. Popularized as a synonym for `drunk by Steve Dallas in the late lamented "Bloom County" comic strip.
tar and feather is [from UNIX `tar(1)] vt. To create a transportable archive from a group of files by first sticking them together with `tar(1) (the Tape ARchiver) and then compressing the result (see {compress}). The latter action is dubbe...
tar and feather2 is an airplane propeller to decrease wind resistance, or with an oar to reduce water resistance; smaller files, after all, slip through comm links more easily.
taste is [primarily MIT] n. 1. The quality in a program that tends to be inversely proportional to the number of features, hacks, and kluges programmed into it. Also `tasty, `tasteful, `tastefulness. "This feature comes in N tasty flavors." ...
taste2 is essentially synonyms, `taste and {flavor} are not. Taste refers to sound judgment on the part of the creator; a program or feature can *exhibit* taste but cannot {have} taste. On the other hand, a feature can have {flavor}. Also...
taste3 is `kind or `variety not shared by `taste. {Flavor} is a more popular word than `taste, though both are used. See also {elegant}. 2. Alt. sp. of {tayste}.
tayste is /tayst/ n. Two bits; also as {taste}. Syn. {crumb}, {quarter}. Compare {{byte}}, {dynner}, {playte}, {nybble}, {quad}.
TCB is /T-C-B/ [IBM] n. 1. Trouble Came Back. An intermittent or difficult-to-reproduce problem that has failed to respond to neglect. Compare {heisenbug}. Not to be confused with 2. Trusted Computing Base, an `official jargon term from the...
ISO standard cup of tea is [South Africa] n. A cup of tea with milk and one teaspoon of sugar, where the milk is poured into the cup before the tea. Variations are ISO 0, with no sugar; ISO 2, with two spoons of sugar; and so on. Like many ...
ISO standard cup of tea2 is ring in North America, where hackers generally shun the decadent British practice of adulterating perfectly good tea with dairy products and prefer instead to add a wedge of lemon, if anything. If one were feelin...
ISO standard cup of tea3 is analogous `ANSI standard cup of tea and wind up with a political situation distressingly similar to several that arise in much more serious technical contexts. Milk and lemon dont mix very well.
TechRef is /tekref/ [MS-DOS] n. The original `IBM PC Technical Reference Manual, including the BIOS listing and complete schematics for the PC. The only PC documentation in the issue package thats considered serious by real hackers.
TECO is /teekoh/ obs. 1. vt. Originally, to edit using the TECO editor in one of its infinite variations (see below). 2. vt.,obs. To edit even when TECO is *not* the editor being used! This usage is rare and now primarily historical. 2. [or...
TECO2 is and COrrector; later, `Text Editor and COrrector] n. A text editor developed at MIT and modified by just about everybody. With all the dialects included, TECO might have been the most prolific editor in use before {EMACS}, to which...
TECO3 is powerful programming-language-like features and its unspeakably hairy syntax. It is literally the case that every string of characters is a valid TECO program (though probably not a useful one); one common hacker game used to be ment...
TECO4 is corresponding to human names did. As an example of TECOs obscurity, here is a TECO program that takes a list of names such as Loser, J. Random Quux, The Great Dick, Moby sorts them alphabetically according to surname, and...
TECO5 is comma, to produce the following Moby Dick J. Random Loser The Great Quux The program is [1 J^P$L$$ J <.-Z; .,(S,$ -D .)FX1 @F^B $K L I $ G1 L>$$ (where ^B means `Control-B (ASCII 0000010) and $ is actually an {ALT}...
TECO6 is fact, this very program was used to produce the second, sorted list from the first list. The first hack at it had a {bug} GLS (the author) had accidentally omitted the `@ in front of `F^B, which as anyone can see is clearly the {Wron...
TECO7 is There is no space to describe all the features of TECO, but it may be of interest that `^P means `sort and `J<.-Z; ... L> is an idiomatic series of commands for `do once for every line. In mid-1991, TECO is pretty much one with the ...
TECO8 is affections of hackerdom by {EMACS}. Descendants of an early (and somewhat lobotomized) version adopted by DEC can still be found lurking on VMS and a couple of crufty PDP-11 operating systems, however, and ports of the more advanced ...
TECO9 is antiquarian interest. See also {retrocomputing}, {write-only language}.
tee is n.,vt. [Purdue] A carbon copy of an electronic transmission. "Oh, youre sending him the {bits} to that? Slap on a tee for me." From the UNIX command `tee(1), itself named after a pipe fitting (see {plumbing}). Can also mean `save one...
Telerat is /tel*-rat/ n. Unflattering hackerism for `Teleray, a line of extremely losing terminals. See also {terminak}, {sun-stools}, {HP-SUX}.
TELNET is /telnet/ vt. To communicate with another Internet host using the {TELNET} program. TOPS-10 people used the word IMPCOM, since that was the program name for them. Sometimes abbreviated to TN /T-N/. "I usually TN over to SAIL just t...
ten-finger interface is n. The interface between two networks that cannot be directly connected for security reasons; refers to the practice of placing two terminals side by side and having an operator read from one and type into the other.
tense is adj. Of programs, very clever and efficient. A tense piece of code often got that way because it was highly {bum}med, but sometimes it was just based on a great idea. A comment in a clever routine by Mike Kazar, once a grad-student ...
tense2 is will bring tears to your eyes." A tense programmer is one who produces tense code.
tenured graduate student is n. One who has been in graduate school for 10 years (the usual maximum is 5 or 6) a `ten-yeared student (get it?). Actually, this term may be used of any grad student beginning in his seventh year. Students dont r...
tenured graduate student2 is professors do, but a tenth-year graduate student has probably been around the university longer than any untenured professor.
tera- is /ter*/ [SI] pref. See {{quantifiers}}.
teraflop club is /ter*-flop kluhb/ [FLOP = Floating Point Operation] n. A mythical association of people who consume outrageous amounts of computer time in order to produce a few simple pictures of glass balls with intricate ray-tracing techni...
teraflop club2 is said to have been the founder.
terminak is /termi-nak`/ [Caltech, ca. 1979] n. Any malfunctioning computer terminal. A common failure mode of Lear-Siegler ADM 3a terminals caused the `L key to produce the `K code instead; complaints about this tended to look like "Terminak...
terminak2 is {sun-stools}, {Telerat}, {HP-SUX}.
terminal brain death is n. The extreme form of {terminal illness} (sense 1). What someone who has obviously been hacking continuously for far too long is said to be suffering from.
terminal illness is n. 1. Syn. {raster burn}. 2. The `burn-in condition your CRT tends to get if you dont have a screen saver.
terminal junkie is [UK] n. A {wannabee} or early {larval stage} hacker who spends most of his or her time wandering the directory tree and writing {noddy} programs just to get a fix of computer time. Variants include `terminal jockey, `cons...
terminal junkie2 is `console jockey seems to imply more expertise than the other three (possibly because of the exalted status of the {{console}} relative to an ordinary terminal). See also {twink}, {read-only user}.
terpri is /terpree/ [from LISP 1.5 (and later, MacLISP)] vi. To output a {newline}. Now rare as jargon, though still used as techspeak in Common LISP. It is a contraction of `TERminate PRInt line, named for the fact that, on early OSes, no c...
terpri2 is line was formed, so this operation terminated the line and emitted the output.
test is n. 1. Real users bashing on a prototype long enough to get thoroughly acquainted with it, with careful monitoring and followup of the results. 2. Some bored random user trying a couple of the simpler features with a developer looking ...
test2 is mistakes. Judging by the quality of most software, the second definition is far more prevalent. See also {demo}.
TeX is /tekh/ n. An extremely powerful {macro}-based text formatter written by Donald E. Knuth, very popular in the computer-science community (it is good enough to have displaced UNIX `troff(1), the other favored formatter, even at many UNI...
TeX2 is correct (guttural) pronunciation, and the correct spelling (all caps, squished together, with the E depressed below the baseline; the mixed-case `TeX is considered an acceptable kluge on ASCII-only devices). Fans like to proliferate...
TeX3 is TeXnician (TeX user), TeXhacker (TeX programmer), TeXmaster (competent TeX programmer), TeXhax, and TeXnique. Knuth began TeX because he had become annoyed at the declining quality of the typesetting in volumes I--III of his monument...
TeX4 is {bible}). In a manifestation of the typical hackish urge to solve the problem at hand once and for all, he began to design his own typesetting language. He thought he would finish it on his sabbatical in 1978; he was wrong by only ...
TeX5 is frozen around 1985, but volume IV of `The Art of Computer Programming has yet to appear as of mid-1991. The impact and influence of TeXs design has been such that nobody minds this very much. Many grand hackish projects have started ...
TeX6 is something else; Knuths diversion was simply on a grander scale than most.
text is n. 1. [techspeak] Executable code, esp. a `pure code portion shared between multiple instances of a program running in a multitasking OS (compare {English}). 2. Textual material in the mainstream sense; data in ordinary {{ASCII}} or {...
text2 is "Those are text files; you can review them using the editor." These two contradictory senses confuse hackers, too.
thanks in advance is [USENET] Conventional net.politeness ending a posted request for information or assistance. Sometimes written `advTHANKSance or `aTdHvAaNnKcSe or abbreviated `TIA. See {net.-}, {netiquette}.
the X that can be Y is not the true X is Yet another instance of hackerdoms peculiar attraction to mystical references --- a common humorous way of making exclusive statements about a class of things. The template is from the `Tao te Ching "T...
the X that can be Y is not the true X2 is true Tao." The implication is often that the X is a mystery accessible only to the enlightened. See the {trampoline} entry for an example, and compare {has the X nature}.
theology is n. 1. Ironically or humorously used to refer to {religious issues}. 2. Technical fine points of an abstruse nature, esp. those where the resolution is of theoretical interest but is relatively {marginal} with respect to actual use...
theology2 is software issues with a heavy AI or language-design component, such as the smart-data vs. smart-programs dispute in AI.
theory is n. The consensus, idea, plan, story, or set of rules that is currently being used to inform a behavior. This is a generalization and abuse of the technical meaning. "Whats the theory on fixing this TECO loss?" "Whats the theory on...
theory2 is "Whats the current theory on letting lusers on during the day?" "The theory behind this change is to fix the following well-known screw...."
thinko is /thingkoh/ [by analogy with `typo] n. A momentary, correctable glitch in mental processing, especially one involving recall of information learned by rote; a bubble in the stream of consciousness. Syn. {braino}. Compare {mouso}.
This time, for sure! is excl. Ritual affirmation frequently uttered during protracted debugging sessions involving numerous small obstacles (e.g., attempts to bring up a UUCP connection). For the proper effect, this must be uttered in a fruit...
This time, for sure!2 is heard "Hey, Rocky! Watch me pull a rabbit out of my hat!" The {canonical} response is, of course, "But that trick *never* works!" See {{Humor, Hacker}}.
thrash is vi. To move wildly or violently, without accomplishing anything useful. Paging or swapping systems that are overloaded waste most of their time moving data into and out of core (rather than performing useful computation) and are the...
thrash2 is changing his mind (esp. about what to work on next) is said to be thrashing. A person frantically trying to execute too many tasks at once (and not spending enough time on any single task) may also be described as thrashing. Compa...
thread is n. [USENET, GEnie, CompuServe] Common abbreviation of `topic thread, a more or less continuous chain of postings on a single topic.
three-finger salute is n. Syn. {Vulcan nerve pinch}.
thud is n. 1. Yet another meta-syntactic variable (see {foo}). It is reported that at CMU from the mid-1970s the canonical series of these was `foo, `bar, `thud, `blat. 2. Rare term for the hash character, `# (ASCII 0100011). See {ASCII} for...
thunk is /thuhnk/ n. 1. "A piece of coding which provides an address", according to P. Z. Ingerman, who invented thunks in 1961 as a way of binding actual parameters to their formal definitions in Algol-60 procedure calls. If a procedure is c...
thunk2 is formal parameter, the compiler generates a {thunk} to compute the expression and leave the address of the result in some standard location. 2. Later generalized into an expression, frozen together with its environment, for later e...
thunk3 is in techspeak is called a `closure). The process of unfreezing these thunks is called `forcing. 3. A {stubroutine}, in an overlay programming environment, that loads and jumps to the correct overlay. Compare {trampoline}. 4. Peop...
thunk4 is manner. "It occurred to me the other day that I am rather accurately modeled by a thunk --- I frequently need to be forced to completion." --- paraphrased from a {plan file}. Historical note There are a couple of onomatopoeic myth...
thunk5 is The most common is that it is the sound made by data hitting the stack; another holds that the sound is that of the data hitting an accumulator. Yet another holds that it is the sound of the expression being unfrozen at argument-e...
thunk6 is inventors, it was coined after they realized (in the wee hours after hours of discussion) that the type of an argument in Algol-60 could be figured out in advance with a little compile-time thought, simplifying the evaluation machi...
thunk7 is thought of; thus it was christened a `thunk, which is "the past tense of `think at two in the morning".
tick is n. 1. A {jiffy} (sense 1). 2. In simulations, the discrete unit of time that passes between iterations of the simulation mechanism. In AI applications, this amount of time is often left unspecified, since the only constraint of inter...
tick2 is AI simulation is often pejoratively referred to as `tick-tick-tick simulation, especially when the issue of simultaneity of events with long, independent chains of causes is {handwave}d. 3. In the FORTH language, a single quote char...
tick-list features is [Acorn Computers] n. Features in software or hardware that customers insist on but never use (calculators in desktop TSRs and that sort of thing). The American equivalent would be `checklist features, but this jargon sen...
tickle a bug is vt. To cause a normally hidden bug to manifest through some known series of inputs or operations. "You can tickle the bug in the Paradise VGA cards highlight handling by trying to set bright yellow reverse video."
tiger team is [U.S. military jargon] n. A team whose purpose is to penetrate security, and thus test security measures. These people are paid professionals who do hacker-type tricks, e.g., leave cardboard signs saying "bomb" in critical defen...
tiger team2 is "Your codebooks have been stolen" (they usually havent been) inside safes, etc. After a successful penetration, some high-ranking security type shows up the next morning for a `security review and finds the sign, note, etc., ...
tiger team3 is of tiger teams sometimes lead to early retirement for base commanders and security officers (see the {patch} entry for an example). A subset of tiger teams are professional {cracker}s, testing the security of military computer...
tiger team4 is via networks or supposedly `secure comm channels. Some of their escapades, if declassified, would probably rank among the greatest hacks of all times. The term has been adopted in commercial computer-security circles in this m...
time sink is [poss. by analogy with `heat sink or `current sink] n. A project that consumes unbounded amounts of time.
time T is /tim T/ n. 1. An unspecified but usually well-understood time, often used in conjunction with a later time T+1. "Well meet on campus at time T or at Louies at time T+1" means, in the context of going out for dinner "We can meet on ...
time T2 is Louies itself a bit later." (Louies is a Chinese restaurant in Palo Alto that is a favorite with hackers.) Had the number 30 been used instead of the number 1, it would have implied that the travel time from campus to Louies is ...
time T3 is hasnt been decided on yet), you can meet half an hour later at Louies than you could on campus and end up eating at the same time. See also {since time T equals minus infinity}.
times-or-divided-by is [by analogy with `plus-or-minus] quant. Term occasionally used when describing the uncertainty associated with a scheduling estimate, for either humorous or brutally honest effect. For a software project, the factor is u...
tinycrud is /tinee-kruhd/ n. A pejorative used by habitues of older game-oriented {MUD} versions for TinyMUDs and other user-extensible {MUD} variants; esp. common among users of the rather violent and competitive AberMUD and MIST systems. Th...
tinycrud2 is how (allegedly) inconsistent and lacking in genuine atmosphere the scenarios generated in user extensible MUDs can be. Other common knocks on them are that they feature little overall plot, bad game topology, little competitive...
tinycrud3 is alleged horrors of the TinyMUD code itself. This dispute is one of the MUD worlds hardiest perennial {holy wars}.
tip of the ice-cube is [IBM] n. The visible part of something small and insignificant. Used as an ironic comment in situations where `tip of the iceberg might be appropriate if the subject were actually nontrivial.
tired iron is [IBM] n. Hardware that is perfectly functional but far enough behind the state of the art to have been superseded by new products, presumably with sufficient improvement in bang-per-buck that the old stuff is starting to look a b...
tits on a keyboard is n. Small bumps on certain keycaps to keep touch-typists registered (usually on the `5 of a numeric keypad, and on the `F and `J of a QWERTY keyboard).
TLA is /T-L-A/ [Three-Letter Acronym] n. 1. Self-describing acronym for a species with which computing terminology is infested. 2. Any confusing acronym. Examples include MCA, FTP, SNA, CPU, MMU, SCCS, DMU, FPU, NNTP, TLA. People who like th...
TLA2 is three letters, just as not all four-letter words have four letters. One also hears of `ETLA (Extended Three-Letter Acronym, pronounced /ee tee el ay/) being used to describe four-letter acronyms. The term `SFLA (Stupid Four-Letter ...
TLA3 is {YABA}. The self-effacing phrase "TDM TLA" (Too Damn Many...) is often used to bemoan the plethora of TLAs in use. In 1989, a random of the journalistic persuasion asked hacker Paul Boutin "What do you think will be the biggest prob...
TLA4 is straight-faced response "There are only 17,000 three-letter acronyms." (To be exact, there are 26^3 = 17,576.)
TMRC is /tmerk/ n. The Tech Model Railroad Club at MIT, one of the wellsprings of hacker culture. The 1959 `Dictionary of the TMRC Language compiled by Peter Samson included several terms which became basics of the hackish vocabulary (see esp...
TMRC2 is legendary layout was already a marvel of complexity. The control system alone featured about 1200 relays. There were {scram switch}es located at numerous places around the room that could be pressed if something undesirable was about...
TMRC3 is an obstruction. Another feature of the system was a digital clock on the dispatch board. Normally it ran at some multiple of real time, but if someone hit a scram switch the clock stopped and the display was replaced with the word ...
TMRC4 is the Bibliography), gives a stimulating account of those early years. TMRCs Power and Signals group included most of the early PDP-1 hackers and the people who later bacame the core of the MIT AI Lab staff. Thirty years later that ...
TMRC5 is lexicon accordingly includes a number of entries from a recent revision of the TMRC Dictionary.
to a first approximation is 1. [techspeak] When one is doing certain numerical computations, an approximate solution may be computed by any of several heuristic methods, then refined to a final value. By using the starting point of a first app...
to a first approximation2 is algorithm that converges more quickly to the correct result. 2. In jargon, a preface to any comment that indicates that the comment is only approximately true. The remark "To a first approximation, I feel good" m...
to a first approximation3 is reveal that not all is perfect (e.g., a nagging cough still remains after an illness).
to a zeroth approximation is [from `to a first approximation] A *really* sloppy approximation; a wild guess. Compare {social science number}.
toast is 1. n. Any completely inoperable system or component, esp. one that has just crashed and burned "Uh, oh ... I think the serial board is toast." 2. vt. To cause a system to crash accidentally, especially in a manner that requires manua...
toast2 is {firewall machine} again."
toaster is n. 1. The archetypal really stupid application for an embedded microprocessor controller; often used in comments that imply that a scheme is inappropriate technology (but see {elevator controller}). "{DWIM} for an assembler? Thatd...
toaster2 is toaster!" 2. A very, very dumb computer. "You could run this program on any dumb toaster." See {bitty box}, {Get a real computer!}, {toy}, {beige toaster}. 3. A Macintosh, esp. the Classic Mac. Some hold that this is implied b...
toaster3 is my box without toasters, but since then Ive added two boards and a second disk drive."
toeprint is n. A {footprint} of especially small size.
toggle is vt. To change a {bit} from whatever state it is in to the other state; to change from 1 to 0 or from 0 to 1. This comes from `toggle switches, such as standard light switches, though the word `toggle actually refers to the mechanism...
toggle2 is which it is flipped rather than to the fact that the switch has two positions. There are four things you can do to a bit set it (force it to be 1), clear (or zero) it, leave it alone, or toggle it. (Mathematically, one would say t...
toggle3 is functions of one boolean argument, but saying that is much less fun than talking about toggling bits.)
tool is 1. n. A program used primarily to create, manipulate, modify, or analyze other programs, such as a compiler or an editor or a cross-referencing program. Oppose {app}, {operating system}. 2. [UNIX] An application program with a simple,...
tool2 is interface designed specifically to be used in programmed combination with other tools (see {filter}). 3. [MIT general to students there] vi. To work; to study (connotes tedium). The TMRC Dictionary defined this as "to set ones brain ...
tool3 is A student who studies too much and hacks too little. (MITs student humor magazine rejoices in the name `Tool and Die.)
toolsmith is n. The software equivalent of a tool-and-die specialist; one who specializes in making the {tool}s with which other programmers create applications. See also {uninteresting}.
topic drift is n. Term used on GEnie, USENET and other electronic fora to describe the tendency of a {thread} to drift away from the original subject of discussion (and thus, from the Subject header of the originating message), or the results ...
topic drift2 is reminders that the discussion has strayed off any useful track. "I think we started with a question about Nivens last book, but weve ended up discussing the sexual habits of the common marmoset. Now *thats* topic drift!"
topic group is n. Syn. {forum}.
TOPS-10 is /tops-ten/ n. DECs proprietary OS for the fabled {PDP-10} machines, long a favorite of hackers but now effectively extinct. A fountain of hacker folklore; see appendix A. See also {{ITS}}, {{TOPS-20}}, {{TWENEX}}, {VMS}, {operating...
TOPS-102 is BOTS-10 (from `bottoms-ten) as a comment on the inappropriateness of describing it as the top of anything.
TOPS-20 is /tops-twentee/ n. See {{TWENEX}}.
toto is /tohtoh/ n. This is reported to be the default scratch file name among French-speaking programmers --- in other words, a francophone {foo}.
tourist is [ITS] n. A guest on the system, especially one who generally logs in over a network from a remote location for {comm mode}, email, games, and other trivial purposes. One step below {luser}. Hackers often spell this {turist}, perha...
tourist2 is {luser} (this also expresses the ITS cultures penchant for six-letterisms). Compare {twink}, {read-only user}.
tourist information is n. Information in an on-line display that is not immediately useful, but contributes to a viewers gestalt of whats going on with the software or hardware behind it. Whether a given piece of info falls in this category d...
tourist information2 is for at any given time. The `bytes free information at the bottom of an MS-DOS `dir display is tourist information; so (most of the time) is the TIME information in a UNIX `ps(1) display.
touristic is adj. Having the quality of a {tourist}. Often used as a pejorative, as in `losing touristic scum. Often spelled `turistic or `turistik, so that phrase might be more properly rendered `lusing turistic scum.
toy is n. A computer system; always used with qualifiers. 1. `nice toy One that supports the speakers hacking style adequately. 2. `just a toy A machine that yields insufficient {computron}s for the speakers preferred uses. This is not con...
toy2 is least be fun. It is also strongly conditioned by ones expectations; Cray XMP users sometimes consider the Cray-1 a `toy, and certainly all RISC boxes and mainframes are toys by their standards. See also {Get a real computer!}.
toy language is n. A language useful for instructional purposes or as a proof-of-concept for some aspect of computer-science theory, but inadequate for general-purpose programming. {Bad Thing}s can result when a toy language is promoted as a ...
toy language2 is (see {bondage-and-discipline language}); the classic example is {{Pascal}}. Several moderately well-known formalisms for conceptual tasks such as programming Turing machines also qualify as toy languages in a less negative se...
toy problem is [AI] n. A deliberately oversimplified case of a challenging problem used to investigate, prototype, or test algorithms for a real problem. Sometimes used pejoratively. See also {gedanken}, {toy program}.
toy program is n. 1. One that can be readily comprehended; hence, a trivial program (compare {noddy}). 2. One for which the effort of initial coding dominates the costs through its life cycle. See also {noddy}.
trampoline is n. An incredibly {hairy} technique, found in some {HLL} and program-overlay implementations (e.g., on the Macintosh), that involves on-the-fly generation of small executable (and, likely as not, self-modifying) code objects to do...
trampoline2 is pieces of {live data} are called `trampolines. Trampolines are notoriously difficult to understand in action; in fact, it is said by those who use this term that the trampoline that doesnt bend your brain is not the true tram...
trap is 1. n. A program interrupt, usually an interrupt caused by some exceptional situation in the user program. In most cases, the OS performs some action, then returns control to the program. 2. vi. To cause a trap. "These instructions tr...
trap2 is to indicate the cause of the trap. "The monitor traps all input/output instructions." This term is associated with assembler programming (`interrupt or `exception is more common among {HLL} programmers) and appears to be fading int...
trap3 is assembler continues to shrink. However, it is still important to computer architects and systems hackers (see {system}, sense 1), who use it to distinguish deterministically repeatable exceptions from timing-dependent ones (such as I...
trap door is alt. `trapdoor n. 1. Syn. {back door}. 2. [techspeak] A `trap-door function is one which is easy to compute but very difficult to compute the inverse of. Such functions have important applications in cryptography, specifically ...
trash is vt. To destroy the contents of (said of a data structure). The most common of the family of near-synonyms including {mung}, {mangle}, and {scribble}.
tree-killer is [Sun] n. 1. A printer. 2. A person who wastes paper. This should be interpreted in a broad sense; `wasting paper includes the production of {spiffy} but {content-free} documents. Thus, most {suit}s are tree-killers.
trit is /trit/ [by analogy with `bit] n. One base-3 digit; the amount of information conveyed by a selection among one of three equally likely outcomes (see also {bit}). These arise, for example, in the context of a {flag} that should actuall...
trit2 is as yes, no, or unknown. Trits are sometimes jokingly called `3-state bits. A trit may be semi-seriously referred to as `a bit and a half, although it is linearly equivalent to 1.5849625 bits (that is, log2(3) bits).
trivial is adj. 1. Too simple to bother detailing. 2. Not worth the speakers time. 3. Complex, but solvable by methods so well known that anyone not utterly {cretinous} would have thought of them already. 4. Any problem one has already solv...
trivial2 is evaluates to `Ive seen it before). Hackers notions of triviality may be quite at variance with those of non-hackers. See {nontrivial}, {uninteresting}.
troglodyte is [Commodore] n. 1. A hacker who never leaves his cubicle. The term `Gnoll (from Dungeons & Dragons) is also reported. 2. A curmudgeon attached to an obsolescent computing environment. The combination `ITS troglodyte was flung a...
troglodyte2 is wringle-wrangle attending the 2.x.x revision of the Jargon File; at least one of the people it was intended to describe adopted it with pride.
troglodyte mode is [Rice University] n. Programming with the lights turned off, sunglasses on, and the terminal inverted (black on white) because youve been up for so many days straight that your eyes hurt (see {raster burn}). Loud music blar...
troglodyte mode2 is optional but recommended. See {larval stage}, {hack mode}.
Trojan horse is [coined by MIT-hacker-turned-NSA-spook Dan Edwards] n. A program designed to break security or damage a system that is disguised as something else benign, such as a directory lister, archiver, a game, or (in one notorious 1990 ...
Trojan horse2 is destroy viruses! See {back door}, {virus}, {worm}.
true-hacker is [analogy with `trufan from SF fandom] n. One who exemplifies the primary values of hacker culture, esp. competence and helpfulness to other hackers. A high compliment. "He spent 6 hours helping me bring up UUCP and netnews on ...
true-hacker2 is act of a true-hacker." Compare {demigod}, oppose {munchkin}.
tty is /T-T-Y/ [UNIX], /titee/ [ITS, but some UNIX people say it this way as well; this pronunciation is not considered to have sexual undertones] n. 1. A terminal of the teletype variety, characterized by a noisy mechanical printer, a very li...
tty2 is Usage antiquated (like the TTYs themselves). See also {bit-paired keyboard}. 2. [especially UNIX] Any terminal at all; sometimes used to refer to the particular terminal controlling a given job.
tube is 1. n. A CRT terminal. Never used in the mainstream sense of TV; real hackers dont watch TV, except for Loony Toons, Rocky & Bullwinkle, Trek Classic, the Simpsons, and the occasional cheesy old swashbuckler movie (see appendix B). 2....
tube2 is someone elses terminal. "Tube me that note?"
tube time is n. Time spent at a terminal or console. More inclusive than hacking time; commonly used in discussions of what parts of ones environment one uses most heavily. "I find Im spending too much of my tube time reading mail since I st...
tunafish is n. In hackish lore, refers to the mutated punchline of an age-old joke to be found at the bottom of the manual pages of `tunefs(8) in the original {BSD} 4.2 distribution. The joke was removed in later releases once commercial site...
tunafish2 is to the `tuning of file-system parameters for optimum performance, and at the bottom of a few pages of wizardly inscriptions was a `BUGS section consisting of the line "You can tune a file system, but you cant tunafish". Variant...
tunafish3 is though it has been excised from some versions by humorless management {droid}s. The [nt]roff source for SunOS 4.1.1 contains a comment apparently designed to prevent this "Take this out and a Unix Demon will dog your steps from n...
tune is [from automotive or musical usage] vt. To optimize a program or system for a particular environment, esp. by adjusting numerical parameters designed as {hook}s for tuning, e.g., by changing `#define lines in C. One may `tune for time ...
factpacks/jargon-split.fact view on Meta::CPAN
UUCPNET2 is permutation of ADV (i.e., {ADVENT}), used to avoid a particular {admin}'s continual search-and-destroy sweeps for the game] n. A leisure-time activity of certain hackers involving the covert exploration of the `secret' parts of l...
UUCPNET3 is elevators, maintenance crawlways, steam tunnels, and the like. A few go so far as to learn locksmithing in order to synthesize vadding keys. The verb is `to vad' (compare {phreaking}). The most extreme and dangerous form of vadd...
UUCPNET4 is surfing', a sport played by wrasslin' down a thousand-pound elevator car with a 3-foot piece of string, and then exploiting this mastery in various stimulating ways (such as elevator hopping, shaft exploration, rat-racing, and th...
UUCPNET5 is try this at home! See also {hobbit} (sense 2).
vanilla is [from the default flavor of ice cream in the U.S.] adj. Ordinary {flavor}, standard. When used of food, very often does not mean that the food is flavored with vanilla extract! For example, `vanilla wonton soup' means ordinary won...
vanilla2 is soup. Applied to hardware and software, as in "Vanilla Version 7 UNIX can't run on a vanilla 11/34." Also used to orthogonalize chip nomenclature; for instance, a 74V00 means what TI calls a 7400, as distinct from a 74LS00, etc...
vanilla3 is the latter means `default', whereas vanilla simply means `ordinary'. For example, when hackers go on a {great-wall}, hot-and-sour wonton soup is the {canonical} wonton soup to get (because that is what most of them usually order)...
vannevar is /van'*-var/ n. A bogus technological prediction or a foredoomed engineering concept, esp. one that fails by implicitly assuming that technologies develop linearly, incrementally, and in isolation from one another when in fact the ...
vannevar2 is revolutions are common, and competition is the rule. The prototype was Vannevar Bush's prediction of `electronic brains' the size of the Empire State Building with a Niagara-Falls-equivalent cooling system for their tubes and r...
vannevar3 is effect had already been demonstrated. Other famous vannevars have included magnetic-bubble memory, LISP machines, {videotex}, and a paper from the late 1970s that computed a purported ultimate limit on areal density for ICs tha...
vannevar4 is of 5 years later.
vaporware is /vay'pr-weir/ n. Products announced far in advance of any release (which may or may not actually take place).
var is /veir/ or /var/ n. Short for `variable'. Compare {arg}, {param}.
VAX is /vaks/ n. 1. [from Virtual Address eXtension] The most successful minicomputer design in industry history, possibly excepting its immediate ancestor, the PDP-11. Between its release in 1978 and its eclipse by {killer micro}s after abou...
VAX2 is favorite machine of them all, esp. after the 1982 release of 4.2 BSD UNIX (see {BSD}). Esp. noted for its large, assembler-programmer-friendly instruction set --- an asset that became a liability after the RISC revolution. 2. A majo...
VAX3 is here because its alleged sales pitch, "Nothing sucks like a VAX!" became a sort of battle-cry of RISC partisans. Ironically, the slogan was *not* actually used by the Vax vacuum-cleaner people, but was actually that of a rival brand...
VAX4 is an..."). It is claimed, however, that DEC actually entered a cross-licensing deal with the vacuum-Vax people that allowed them to market VAX computers in the U.K. in return for not challenging the vacuum cleaner trademark in the U.S.
VAXectomy is /vak-sek't*-mee/ [by analogy with `vasectomy'] n. A VAX removal. DEC's Microvaxen, especially, are much slower than newer RISC-based workstations such as the SPARC. Thus, if one knows one has a replacement coming, VAX removal ca...
VAXen is /vak'sn/ [from `oxen', perhaps influenced by `vixen'] n. (alt. `vaxen') The plural canonically used among hackers for the DEC VAX computers. "Our installation has four PDP-10s and twenty vaxen." See {boxen}.
vaxherd is n. /vaks'herd/ [from `oxherd'] A VAX operator.
vaxism is /vak'sizm/ n. A piece of code that exhibits {vaxocentrism} in critical areas. Compare {PC-ism}, {unixism}.
vaxocentrism is /vak`soh-sen'trizm/ [analogy with `ethnocentrism'] n. A notional disease said to afflict C programmers who persist in coding according to certain assumptions that are valid (esp. under UNIX) on {VAXen} but false elsewhere. Amo...
vaxocentrism2 is validly be accused of vaxocentrism even if he or she has never seen a VAX. Some of these assumptions (esp. 2--5) were valid on the PDP-11, the original C machine, and became endemic years before the VAX. The terms `vaxocentr...
vaxocentrism3 is have been used synonymously.
vdiff is /vee'dif/ v.,n. Visual diff. The operation of finding differences between two files by {eyeball search}. The term `optical diff' has also been reported. See {diff}.
veeblefester is /vee'b*l-fes`tr/ [from the "Born Loser" comix via Commodore; prob. originally from `Mad' Magazine's `Veeblefeetzer' parodies ca. 1960] n. Any obnoxious person engaged in the (alleged) professions of marketing or management. An...
Venus flytrap is [after the insect-eating plant] n. See {firewall machine}.
verbage is /ver'b*j/ n. A deliberate misspelling and mispronunciation of {verbiage} that assimilates it to the word `garbage'. Compare {content-free}. More pejorative than `verbiage'.
verbiage is n. When the context involves a software or hardware system, this refers to {{documentation}}. This term borrows the connotations of mainstream `verbiage' to suggest that the documentation is of marginal utility and that the motive...
verbiage2 is with the ostensible subject.
Version 7 is alt. V7 /vee' se'vn/ n. The 1978 unsupported release of {{UNIX}} ancestral to all current commercial versions. Before the release of the POSIX/SVID standards, V7's features were often treated as a UNIX portability baseline. See ...
Version 72 is old-timers impatient with commercialization and kernel bloat still maintain that V7 was the Last True UNIX.
vgrep is /vee'grep/ v.,n. Visual grep. The operation of finding patterns in a file optically rather than digitally. See {grep}; compare {vdiff}.
vi is /V-I/, *not* /vi/ and *never* /siks/ [from `Visual Interface'] n. A screen editor crufted together by Bill Joy for an early {BSD} version. Became the de facto standard UNIX editor and a nearly undisputed hacker favorite until the rise o...
vi2 is frustrate new users no end, as it will neither take commands while expecting input text nor vice versa, and the default setup provides no indication of which mode one is in (one correspondent accordingly reports that he has often hear...
vi3 is Nevertheless it is still widely used (about half the respondents in a 1991 USENET poll preferred it), and even EMACS fans often resort to it as a mail editor and for small editing jobs (mainly because it starts up faster than bulky EM...
videotex is n. obs. An electronic service offering people the privilege of paying to read the weather on their television screens instead of having somebody read it to them for free while they brush their teeth. The idea bombed everywhere it ...
videotex2 is time videotex was practical the installed base of personal computers could hook up to timesharing services and do the things for which videotex might have been worthwhile better and cheaper. Videotex planners badly overestimate...
videotex3 is computer and the cost of local intelligence at the user's end. Like the {gorilla arm} effect, this has been a cautionary tale to hackers ever since. See also {vannevar}.
virgin is adj. Unused; pristine; in a known initial state. "Let's bring up a virgin system and see if it crashes again." (Esp. useful after contracting a {virus} through {SEX}.) Also, by extension, buffers and the like within a program that...
virtual is [via the technical term `virtual memory', prob. from the term `virtual image' in optics] adj. 1. Common alternative to {logical}. 2. Simulated; performing the functions of something that isn't really there. An imaginative child's ...
virtual Friday is n. The last day before an extended weekend, if that day is not a `real' Friday. For example, the U.S. holiday Thanksgiving is always on a Thursday. The next day is often also a holiday or taken as an extra day off, in which...
virtual Friday2 is Friday (and Thursday is a virtual Saturday, as is Friday). There are also `virtual Mondays' that are actually Tuesdays, after the three-day weekends associated with many national holidays in the U.S.
virtual reality is n. 1. Computer simulations that use 3-D graphics and devices such as the Dataglove to allow the user to interact with the simulation. See {cyberspace}. 2. A form of network interaction incorporating aspects of role-playing...
virtual reality2 is comedy, and `true confessions' magazines. In a virtual reality forum (such as USENET's alt.callahans newsgroup or the {MUD} experiments on Internet), interaction between the participants is written like a shared novel co...
virtual reality3 is that may be personae utterly unlike the people who write them, and common `background characters' manipulable by all parties. The one iron law is that you may not write irreversible changes to a character without the con...
virtual reality4 is anything goes. See {bamf}, {cyberspace}.
virus is [from the obvious analogy with biological viruses, via SF] n. A cracker program that searches out other programs and `infects' them by embedding a copy of itself in them, so that they become {Trojan Horse}s. When these programs are e...
virus2 is thus propagating the `infection'. This normally happens invisibly to the user. Unlike a {worm}, a virus cannot infect other computers without assistance. It is propagated by vectors such as humans trading programs with their fri...
virus3 is propagate itself and then allow the program to run normally. Usually, however, after propagating silently for a while, it starts doing things like writing cute messages on the terminal or playing strange tricks with your display (...
virus4 is Many nasty viruses, written by particularly perversely minded {cracker}s, do irreversible damage, like nuking all the user's files. In the 1990s, viruses have become a serious problem, especially among IBM PC and Macintosh users (t...
virus5 is viruses to spread easily, even infecting the operating system). The production of special anti-virus software has become an industry, and a number of exaggerated media reports have caused outbreaks of near hysteria among users; many...
virus6 is doesn't work as they had expected on virus attacks. Accordingly, this sense of `virus' has passed not only into techspeak but into also popular usage (where it is often incorrectly used to denote a {worm} or even a {Trojan horse})...
visionary is n. 1. One who hacks vision, in the sense of an Artificial Intelligence researcher working on the problem of getting computers to `see' things using TV cameras. (There isn't any problem in sending information from a TV camera to a...
visionary2 is computer be programmed to make use of the camera information? See {SMOP}, {AI-complete}.) 2. [IBM] One who reads the outside literature. At IBM, apparently, such a penchant is viewed with awe and wonder.
VMS is /V-M-S/ n. DEC's proprietary operating system for its VAX minicomputer; one of the seven or so environments that loom largest in hacker folklore. Many UNIX fans generously concede that VMS would probably be the hacker's favorite commer...
VMS2 is this makes VMS fans furious. One major hacker gripe with VMS concerns its slowness --- thus the following limerick There once was a system called VMS Of cycles by no means abstemious. It's chock-full of hacks ...
VMS3 is my poor stomach all squeamious. --- The Great Quux See also {VAX}, {{TOPS-10}}, {{TOPS-20}}, {{UNIX}}, {runic}.
voice is vt. To phone someone, as opposed to emailing them or connecting in talk mode. "I'm busy now; I'll voice you later."
voice-net is n. Hackish way of referring to the telephone system, analogizing it to a digital network. USENET {sig block}s not uncommonly include the sender's phone next to a "Voice" or "Voice-Net" header; common variants of this are "Voicene...
voodoo programming is [from George Bush's "voodoo economics"] n. The use by guess or cookbook of an {obscure} or {hairy} system, feature, or algorithm that one does not truly understand. The implication is that the technique may not work, and...
voodoo programming2 is Almost synonymous with {black magic}, except that black magic typically isn't documented and *nobody* understands it. Compare {magic}, {deep magic}, {heavy wizardry}, {rain dance}, {cargo cult programming}, {wave a de...
VR is // [MUD] n. On-line abbrev for {virtual reality}, as opposed to {RL}.
Vulcan nerve pinch is n. [from the old "Star Trek" TV series via Commodore Amiga hackers] The keyboard combination that forces a soft-boot or jump to ROM monitor (on machines that support such a feature). On many micros this is Ctrl-Alt-Del; ...
Vulcan nerve pinch2 is <Cmd>-<Power switch>! Also called {three-finger salute}. Compare {quadruple bucky}.
vulture capitalist is n. Pejorative hackerism for `venture capitalist', deriving from the common practice of pushing contracts that deprive inventors of control over their own innovations and most of the money they ought to have made from them...
vulture capitalist2 is Fudd's immortal line "You wascawwy wabbit!"] n. 1. A legendary early hack reported on a System/360 at RPI and elsewhere around 1978. The program would make two copies of itself every time it was run, eventually crashi...
vulture capitalist3 is includes infinite self-replication but is not a {virus} or {worm}. See also {cookie monster}.
WAITS is /wayts/ n. The mutant cousin of {{TOPS-10}} used on a handful of systems at {{SAIL}} up to 1990. There was never an `official' expansion of WAITS (the name itself having been arrived at by a rather sideways process), but it was frequ...
WAITS2 is ITS'. Though WAITS was less visible than ITS, there was frequent exchange of people and ideas between the two communities, and innovations pioneered at WAITS exerted enormous indirect influence. The early screen modes of {EMACS}, ...
WAITS3 is `E' editor --- one of a family of editors that were the first to do `real-time editing', in which the editing commands were invisible and where one typed text at the point of insertion/overwriting. The modern style of multi-region...
WAITS4 is and WAITS alumni at XEROX PARC and elsewhere played major roles in the developments that led to the XEROX Star, the Macintosh, and the Sun workstations. {Bucky bits} were also invented there --- thus, the ALT key on every IBM PC is ...
WAITS5 is seldom duplicated elsewhere was a news-wire interface that allowed WAITS hackers to read, store, and filter AP and UPI dispatches from their terminals; the system also featured a still-unusual level of support for what is now called ...
WAITS6 is and video signals to be switched to programming terminals.
waldo is /wol'doh/ [From Robert A. Heinlein's story "Waldo"] 1. A mechanical agent, such as a gripper arm, controlled by a human limb. When these were developed for the nuclear industry in the mid-1940s they were named after the invention des...
waldo2 is wrote in 1942. Now known by the more generic term `telefactoring', this technology is of intense interest to NASA for tasks like space station maintenance. 2. At Harvard (particularly by Tom Cheatham and students), this is used i...
waldo3 is and general nonsense word. See {foo}, {bar}, {foobar}, {quux}.
walk is n.,vt. Traversal of a data structure, especially an array or linked-list data structure in {core}. See also {codewalker}, {silly walk}, {clobber}.
walk off the end of is vt. To run past the end of an array, list, or medium after stepping through it --- a good way to land in trouble. Often the result of an {off-by-one error}. Compare {clobber}, {roach}, {smash the stack}.
walking drives is n. An occasional failure mode of magnetic-disk drives back in the days when they were huge, clunky {washing machine}s. Those old {dinosaur} parts carried terrific angular momentum; the combination of a misaligned spindle or ...
walking drives2 is with the floor could cause them to `walk' across a room, lurching alternate corners forward a couple of millimeters at a time. There is a legend about a drive that walked over to the only door to the computer room and jamme...
walking drives3 is wall in order to get at it! Walking could also be induced by certain patterns of drive access (a fast seek across the whole width of the disk, followed by a slow seek in the other direction). Some bands of old-time hacke...
walking drives4 is patterns that would do this to particular drive models and held disk-drive races.
wall is [WPI] interj. 1. An indication of confusion, usually spoken with a quizzical tone "Wall??" 2. A request for further explication. Compare {octal forty}. It is said that "Wall?" really came from `like talking to a blank wall'. It w...
wall2 is you had carefully answered a question, the questioner stared at you blankly, clearly having understood nothing that was explained. You would then throw out a "Hello, wall?" to elicit some sort of response from the questioner. Late...
wall3 is themselves.
wall follower is n. A person or algorithm that compensates for lack of sophistication or native stupidity by efficiently following some simple procedure shown to have been effective in the past. Used of an algorithm, this is not necessarily p...
wall follower2 is the winning robot in an early AI contest (named, of course, after the cocktail). Harvey successfully solved mazes by keeping a `finger' on one wall and running till it came out the other end. This was inelegant, but it was ...
wall follower3 is simply-connected mazes --- and, in fact, Harvey outperformed more sophisticated robots that tried to `learn' each maze by building an internal representation of it. Used of humans, the term *is* pejorative and implies an un...
wall follower4 is See also {code grinder}, {droid}.
wall time is n. (also `wall clock time') 1. `Real world' time (what the clock on the wall shows), as opposed to the system clock's idea of time. 2. The real running time of a program, as opposed to the number of {clocks} required to execute i...
wall time2 is differ, as no one program gets all the {clocks}, and on multiprocessor systems with good thread support one may get more processor clocks than real-time clocks).
wallpaper is n. 1. A file containing a listing (e.g., assembly listing) or a transcript, esp. a file containing a transcript of all or part of a login session. (The idea was that the paper for such listings was essentially good only for wallp...
wallpaper2 is used to cover windows.) Now rare, esp. since other systems have developed other terms for it (e.g., PHOTO on TWENEX). However, the UNIX world doesn't have an equivalent term, so perhaps {wallpaper} will take hold there. The t...
wallpaper3 is commands to begin and end transcript files were `WALBEG' and `WALEND', with default file `WALL PAPER' (the space was a path delimiter). 2. The background pattern used on graphical workstations (this is techspeak under the `Win...
wallpaper4 is 3. `wallpaper file' n. The file that contains the wallpaper information before it is actually printed on paper. (Even if you don't intend ever to produce a real paper copy of the file, it is still called a wallpaper file.)
wango is /wang'goh/ n. Random bit-level {grovel}ling going on in a system during some unspecified operation. Often used in combination with {mumble}. For example "You start with the `.o' file, run it through this postprocessor that does mumb...
wango2 is object-oriented executable."
wank is /wangk/ [Columbia University prob. by mutation from Commonwealth slang v. `wank', to masturbate] n.,v. Used much as {hack} is elsewhere, as a noun denoting a clever technique or person or the result of such cleverness. May describe (n...
wank2 is sake ("Quit wanking, let's go get supper!") or (more positively) a {wizard}. Adj. `wanky' describes something particularly clever (a person, program, or algorithm). Conversations can also get wanky when there are too many wanks ...
wank3 is by an overload of the `wankometer' (compare {bogometer}). When the wankometer overloads, the conversation's subject must be changed, or all non-wanks will leave. Compare `neep-neeping' (under {neep-neep}). Usage U.S. only. In Br...
wank4 is *extremely* rude and is best avoided unless one intends to give offense.
wannabee is /won'*-bee/ (also, more plausibly, spelled `wannabe') [from a term recently used to describe Madonna fans who dress, talk, and act like their idol; prob. originally from biker slang] n. A would-be {hacker}. The connotations of thi...
wannabee2 is and exposure of the subject. Used of a person who is in or might be entering {larval stage}, it is semi-approving; such wannabees can be annoying but most hackers remember that they, too, were once such creatures. When used of ...
wannabee3 is writer, or {suit}, it is derogatory, implying that said person is trying to cuddle up to the hacker mystique but doesn't, fundamentally, have a prayer of understanding what it is all about. Overuse of terms from this lexicon is...
wannabee4 is Compare {newbie}. Historical note The wannabee phenomenon has a slightly different flavor now (1991) than it did ten or fifteen years ago. When the people who are now hackerdom's tribal elders were in {larval stage}, the proc...
wannabee5 is unconscious and unaffected by models known in popular culture --- communities formed spontaneously around people who, *as individuals*, felt irresistibly drawn to do hackerly things, and what wannabees experienced was a fairly p...
wannabee6 is wizardly. Those days of innocence are gone forever; society's adaptation to the advent of the microcomputer after 1980 included the elevation of the hacker as a new kind of folk hero, and the result is that some people semi-consc...
wannabee7 is hackish prestige by fitting the popular image of hackers. Fortunately, to do this really well, one has to actually become a wizard. Nevertheless, old-time hackers tend to share a poorly articulated disquiet about the change; amo...
wannabee8 is about the effects of public compendia of lore like this one.
warm boot is n. See {boot}.
wart is n. A small, {crock}y {feature} that sticks out of an otherwise {clean} design. Something conspicuous for localized ugliness, especially a special-case exception to a general rule. For example, in some versions of `csh(1)', single quot...
wart2 is except `!'. In ANSI C, the `??' syntax used obtaining ASCII characters in a foreign environment is a wart. See also {miswart}.
washing machine is n. Old-style 14-inch hard disks in floor-standing cabinets. So called because of the size of the cabinet and the `top-loading' access to the media packs --- and, of course, they were always set on `spin cycle'. The washing...
washing machine2 is it is even used in Russian hacker jargon. See also {walking drives}. The thick channel cables connecting these were called `bit hoses' (see {hose}).
water MIPS is n. (see {MIPS}, sense 2) Large, water-cooled machines of either today's ECL-supercomputer flavor or yesterday's traditional {mainframe} type.
wave a dead chicken is v. To perform a ritual in the direction of crashed software or hardware that one believes to be futile but is nevertheless necessary so that others are satisfied that an appropriate degree of effort has been expended. "...
wave a dead chicken2 is code, but I really think we've run into an OS bug." Compare {voodoo programming}, {rain dance}.
weasel is n. [Cambridge] A na"ive user, one who deliberately or accidentally does things that are stupid or ill-advised. Roughly synonymous with {loser}.
wedged is [from a common description of recto-cranial inversion] adj. 1. To be stuck, incapable of proceeding without help. This is different from having crashed. If the system has crashed, then it has become totally non-functioning. If the...
wedged2 is something but cannot make progress; it may be capable of doing a few things, but not be fully operational. For example, a process may become wedged if it {deadlock}s with another (but not all instances of wedging are deadlocks). B...
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