Amethyst
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accumulator is n. 1. Archaic term for a register. On-line use of it as a synonym for `register' is a fairly reliable indication that the user has been around for quite a while and/or that the architecture under discussion is quite old. The t...
accumulator2 is microprocessor registers, for example, though symbolic names for arithmetic registers beginning in `A' derive from historical use of the term `accumulator' (and not, actually, from `arithmetic'). Confusingly, though, an `A' re...
accumulator3 is `address', as for example on the Motorola 680x0 family. 2. A register being used for arithmetic or logic (as opposed to addressing or a loop index), especially one being used to accumulate a sum or count of many items. This u...
accumulator4 is stretch of code. "The FOOBAZ routine uses A3 as an accumulator." 3. One's in-basket (esp. among old-timers who might use sense 1). "You want this reviewed? Sure, just put it in the accumulator." (See {stack}.)
ACK is /ak/ interj. 1. [from the ASCII mnemonic for 0000110] Acknowledge. Used to register one's presence (compare mainstream *Yo!*). An appropriate response to {ping} or {ENQ}. 2. [from the comic strip "Bloom County"] An exclamation of su...
ACK2 is Semi-humorous. Generally this sense is not spelled in caps (ACK) and is distinguished by a following exclamation point. 3. Used to politely interrupt someone to tell them you understand their point (see {NAK}). Thus, for example, y...
ACK3 is with "Ack. Ack. Ack. I get it now". There is also a usage "ACK?" (from sense 1) meaning "Are you there?", often used in email when earlier mail has produced no reply, or during a lull in {talk mode} to see if the person has gone a...
ACK4 is course {NAK} (sense 2), i.e., "I'm not here").
ad-hockery is /ad-hok'*r-ee/ [Purdue] n. 1. Gratuitous assumptions made inside certain programs, esp. expert systems, which lead to the appearance of semi-intelligent behavior but are in fact entirely arbitrary. For example, fuzzy-matching in...
ad-hockery2 is against a symbol table can make it look as though a program knows how to spell. 2. Special-case code to cope with some awkward input that would otherwise cause a program to {choke}, presuming normal inputs are dealt with in som...
ad-hockery3 is `ad-hackery', `ad-hocity' (/ad-hos'*-tee/). See also {ELIZA effect}.
Ada is n. A {{Pascal}}-descended language that has been made mandatory for Department of Defense software projects by the Pentagon. Hackers are nearly unanimous in observing that, technically, it is precisely what one might expect given that ...
Ada2 is committee, crockish, difficult to use, and overall a disastrous, multi-billion-dollar boondoggle (one common description is "The PL/I of the 1980s"). Hackers find Ada's exception-handling and inter-process communication features par...
Ada3 is daughter of Lord Byron who became the world's first programmer while cooperating with Charles Babbage on the design of his mechanical computing engines in the mid-1800s) would almost certainly blanch at the use to which her name has ...
Ada4 is been said about it is that there is probably a good small language screaming to get out from inside its vast, {elephantine} bulk.
adger is /aj'r/ [UCLA] vt. To make a bonehead move with consequences that could have been foreseen with a slight amount of mental effort. E.g., "He started removing files and promptly adgered the whole project". Compare {dumbass attack}.
admin is /ad-min'/ n. Short for `administrator'; very commonly used in speech or on-line to refer to the systems person in charge on a computer. Common constructions on this include `sysadmin' and `site admin' (emphasizing the administrator's...
admin2 is or `newsadmin' (focusing specifically on news). Compare {postmaster}, {sysop}, {system mangler}.
ADVENT is /ad'vent/ n. The prototypical computer adventure game, first implemented on the {PDP-10} by Will Crowther as an attempt at computer-refereed fantasy gaming, and expanded into a puzzle-oriented game by Don Woods. Now better known as ...
ADVENT2 is system permitted only 6-letter filenames. See also {vadding}. This game defined the terse, dryly humorous style now expected in text adventure games, and popularized several tag lines that have become fixtures of hacker-speak "A...
ADVENT3 is see no X here" (for some noun X). "You are in a maze of twisty little passages, all alike." "You are in a little maze of twisty passages, all different." The `magic words' {xyzzy} and {plugh} also derive from this game. Crowthe...
ADVENT4 is of the Mammoth & Flint Ridge cave system; it actually *has* a `Colossal Cave' and a `Bedquilt' as in the game, and the `Y2' that also turns up is cavers' jargon for a map reference to a secondary entrance.
AI-complete is /A-I k*m-pleet'/ [MIT, Stanford by analogy with `NP-complete' (see {NP-})] adj. Used to describe problems or subproblems in AI, to indicate that the solution presupposes a solution to the `strong AI problem' (that is, the synthe...
AI-complete2 is problem that is AI-complete is, in other words, just too hard. Examples of AI-complete problems are `The Vision Problem' (building a system that can see as well as a human) and `The Natural Language Problem' (building a syste...
AI-complete3 is language as well as a human). These may appear to be modular, but all attempts so far (1991) to solve them have foundered on the amount of context information and `intelligence' they seem to require. See also {gedanken}.
AI koans is /A-I koh'anz/ pl.n. A series of pastiches of Zen teaching riddles created by Danny Hillis at the MIT AI Lab around various major figures of the Lab's culture (several are included in appendix A). See also {ha ha only serious}, {mu...
AIDS is /aydz/ n. Short for A* Infected Disk Syndrome (`A*' is a {glob} pattern that matches, but is not limited to, Apple), this condition is quite often the result of practicing unsafe {SEX}. See {virus}, {worm}, {Trojan horse}, {virgin}.
airplane rule is n. "Complexity increases the possibility of failure; a twin-engine airplane has twice as many engine problems as a single-engine airplane." By analogy, in both software and electronics, the rule that simplicity increases robu...
airplane rule2 is correspondingly argued that the right way to build reliable systems is to put all your eggs in one basket, after making sure that you've built a really *good* basket.
aliasing bug is n. A class of subtle programming errors that can arise in code that does dynamic allocation, esp. via `malloc(3)' or equivalent. If more than one pointer addresses (`aliases for') a given hunk of storage, it may happen that th...
aliasing bug2 is then referenced through another, which may lead to subtle (and possibly intermittent) lossage depending on the state and the allocation history of the malloc {arena}. Avoidable by use of allocation strategies that never ali...
aliasing bug3 is higher-level languages, such as {LISP}, which employ a garbage collector (see {GC}). Also called a {stale pointer bug}. See also {precedence lossage}, {smash the stack}, {fandango on core}, {memory leak}, {overrun screw}, ...
aliasing bug4 is nowadays associated with C programming, it was already in use in a very similar sense in the Algol-60 and FORTRAN communities in the 1960s.
all-elbows is adj. Of a TSR (terminate-and-stay-resident) IBM PC program, such as the N pop-up calendar and calculator utilities that circulate on {BBS} systems unsociable. Used to describe a program that rudely steals the resources that it n...
all-elbows2 is also be resident. One particularly common form of rudeness is lock-up due to programs fighting over the keyboard interrupt. See also {mess-dos}.
alpha particles is n. See {bit rot}.
ALT is /awlt/ 1. n. The ALT shift key on an IBM PC or {clone}. 2. [possibly lowercased] n. The `clover' or `Command' key on a Macintosh; use of this term usually reveals that the speaker hacked PCs before coming to the Mac (see also {command k...
ALT2 is reserve `ALT' for the Option key. 3. n.obs. [PDP-10] Alternate name for the ASCII ESC character (ASCII 0011011), after the keycap labeling on some older terminals. Also `ALTMODE' (/awlt'mohd/). This character was almost never pron...
ALT3 is under TOPS-10 --- always ALT, as in "Type ALT ALT to end a TECO command" or "ALT U onto the system" (for "log onto the [ITS] system"). This was probably because ALT is more convenient to say than `escape', especially when followed b...
ALT4 is *and* a character, for that matter).
alt bit is /awlt bit/ [from alternate] adj. See {meta bit}.
Aluminum Book is [MIT] n. `Common LISP The Language', by Guy L. Steele Jr. (Digital Press, first edition 1984, second edition 1990). Note that due to a technical screwup some printings of the second edition are actually of a color the author...
Aluminum Book2 is also {{book titles}}.
amoeba is n. Humorous term for the Commodore Amiga personal computer.
amp off is [Purdue] vt. To run in {background}. From the UNIX shell `&' operator.
amper is n. Common abbreviation for the name of the ampersand (`&', ASCII 0100110) character. See {ASCII} for other synonyms.
angle brackets is n. Either of the characters `<' (ASCII 0111100) and `>' (ASCII 0111110) (ASCII less-than or greater-than signs). The {Real World} angle brackets used by typographers are actually taller than a less-than or greater-than sig...
angry fruit salad is n. A bad visual-interface design that uses too many colors. This derives, of course, from the bizarre day-glo colors found in canned fruit salad. Too often one sees similar affects from interface designers using color wi...
angry fruit salad2 is tendency to create displays that are flashy and attention-getting but uncomfortable for long-term use.
AOS is 1. /aws/ (East Coast), /ay-os/ (West Coast) [based on a PDP-10 increment instruction] vt.,obs. To increase the amount of something. "AOS the campfire." Usage considered silly, and now obsolete. Now largely supplanted by {bump}. See ...
AOS2 is supported at one time by Data General. This was pronounced /A-O-S/ or /A-os/. A spoof of the standard AOS system administrator's manual (`How to load and generate your AOS system') was created, issued a part number, and circulated ...
AOS3 is goad and levitate your chaos system'. 3. Algebraic Operating System, in reference to those calculators which use infix instead of postfix (reverse Polish) notation. Historical note AOS in sense 1 was the name of a {PDP-10} instruc...
AOS4 is computer and added 1 to it; AOS meant `Add One and do not Skip'. Why, you may ask, does the `S' stand for `do not Skip' rather than for `Skip'? Ah, here was a beloved piece of PDP-10 folklore. There were eight such instructions AO...
AOS5 is instruction if the result was Equal to zero; AOSG added 1 and then skipped if the result was Greater than 0; AOSN added 1 and then skipped if the result was Not 0; AOSA added 1 and then skipped Always; and so on. Just plain AOS didn...
AOS6 is For similar reasons, AOJ meant `Add One and do not Jump'. Even more bizarre, SKIP meant `do not SKIP'! If you wanted to skip the next instruction, you had to say `SKIPA'. Likewise, JUMP meant `do not JUMP'; the unconditional form wa...
AOS7 is By some quirk of the 10's design, the {JRST} (Jump and ReSTore flag with no flag specified) was actually faster and so was invariably used. Such were the perverse mysteries of assembler programming.
app is /ap/ n. Short for `application program', as opposed to a systems program. What systems vendors are forever chasing developers to create for their environments so they can sell more boxes. Hackers tend not to think of the things they t...
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.
factpacks/jargon-split.fact view on Meta::CPAN
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 ...
ENQ is /enkw/ or /enk/ [from the ASCII mnemonic ENQuire for 0000101] An on-line convention for querying someone's availability. After opening a {talk mode} connection to someone apparently in heavy hack mode, one might type `SYN SYN ENQ?' (the...
ENQ2 is bytes), and expect a return of {ACK} or {NAK} depending on whether or not the person felt interruptible. Compare {ping}, {finger}, and the usage of `FOO?' listed under {talk mode}.
EOF is /E-O-F/ [acronym, `End Of File'] n. 1. [techspeak] Refers esp. to whatever {out-of-band} value is returned by C's sequential character-input functions (and their equivalents in other environments) when end of file has been reached. Thi...
EOF2 is V6 UNIX, but was originally 0. 2. Used by extension in non-computer contexts when a human is doing something that can be modeled as a sequential read and can't go further. "Yeah, I looked for a list of 360 mnemonics to post as a jo...
EOF3 is had was a {JCL} manual." See also {EOL}.
EOL is /E-O-L/ [End Of Line] n. Syn. for {newline}, derived perhaps from the original CDC6600 Pascal. Now rare, but widely recognized and occasionally used for brevity. Used in the example entry under {BNF}. See also {EOF}.
EOU is /E-O-U/ n. The mnemonic of a mythical ASCII control character (End Of User) that could make an ASR-33 Teletype explode on receipt. This parodied the numerous obscure delimiter and control characters left in ASCII from the days when it ...
EOU2 is teletypes than computers (e.g., FS, GS, RS, US, EM, SUB, ETX, and esp. EOT). It is worth remembering that ASR-33s were big, noisy mechanical beasts with a lot of clattering parts; the notion that one might explode was nowhere near a...
EOU3 is sitting in front of a {tube} or flatscreen today.
epoch is [UNIX prob. from astronomical timekeeping] n. The time and date corresponding to 0 in an operating system's clock and timestamp values. Under most UNIX versions the epoch is 000000 GMT, January 1, 1970. System time is measured in se...
epoch2 is problems may ensue when the clock wraps around (see {wrap around}), which is not necessarily a rare event; on systems counting 10 ticks per second, a signed 32-bit count of ticks is good only for 6.8 years. The 1-tick-per-second c...
epoch3 is 2038, assuming word lengths don't increase by then. See also {wall time}.
epsilon is [see {delta}] 1. n. A small quantity of anything. "The cost is epsilon." 2. adj. Very small, negligible; less than {marginal}. "We can get this feature for epsilon cost." 3. `within epsilon of' close enough to be indistinguishabl...
epsilon2 is closer than being `within delta of'. "That's not what I asked for, but it's within epsilon of what I wanted." Alternatively, it may mean not close enough, but very little is required to get it there "My program is within epsilo...
epsilon squared is n. A quantity even smaller than {epsilon}, as small in comparison to epsilon as epsilon is to something normal; completely negligible. If you buy a supercomputer for a million dollars, the cost of the thousand-dollar termin...
epsilon squared2 is of the ten-dollar cable to connect them is epsilon squared. Compare {lost in the underflow}, {lost in the noise}.
the era is Syn. {epoch}. Webster's Unabridged makes these words almost synonymous, but `era' usually connotes a span of time rather than a point in time. The {epoch} usage is recommended.
Eric Conspiracy is n. A shadowy group of mustachioed hackers named Eric first pinpointed as a sinister conspiracy by an infamous talk.bizarre posting ca. 1986; this was doubtless influenced by the numerous `Eric' jokes in the Monty Python oeuv...
Eric Conspiracy2 is more mustachioed Erics in hackerdom than the frequency of these three traits can account for unless they are correlated in some arcane way. Well-known examples include Eric Allman (he of the `Allman style' described under ...
Eric Conspiracy3 is NNTP); your editor has heard from about fourteen others by email, and the organization line `Eric Conspiracy Secret Laboratories' now emanates regularly from more than one site.
Eris is /e'ris/ n. The Greek goddess of Chaos, Discord, Confusion, and Things You Know Not Of; her name was latinized to Discordia and she was worshiped by that name in Rome. Not a very friendly deity in the Classical original, she was reinve...
Eris2 is creative anarchy starting in 1959 by the adherents of {Discordianism} and has since been a semi-serious subject of veneration in several `fringe' cultures, including hackerdom. See {Discordianism}, {Church of the SubGenius}.
erotics is /ee-ro'tiks/ n. [Helsinki University of Technology, Finland] n. English-language university slang for electronics. Often used by hackers in Helsinki, maybe because good electronics excites them and makes them warm.
essentials is n. Things necessary to maintain a productive and secure hacking environment. "A jug of wine, a loaf of bread, a 20-megahertz 80386 box with 8 meg of core and a 300-megabyte disk supporting full UNIX with source and X windows and...
essentials2 is Internet site, and thou."
evil is adj. As used by hackers, implies that some system, program, person, or institution is sufficiently maldesigned as to be not worth the bother of dealing with. Unlike the adjectives in the {cretinous}/{losing}/{brain-damaged} series, `e...
evil2 is design, but rather a set of goals or design criteria fatally incompatible with the speaker's. This is more an esthetic and engineering judgment than a moral one in the mainstream sense. "We thought about adding a {Blue Glue} inter...
evil3 is "{TECO} is neat, but it can be pretty evil if you're prone to typos." Often pronounced with the first syllable lengthened, as /eeee'vil/.
exa- is /ek's*/ [SI] pref. See {{quantifiers}}.
examining the entrails is n. The process of {grovel}ling through a core dump or hex image in the attempt to discover the bug that brought a program or system down. Compare {runes}, {incantation}, {black art}, {desk check}.
EXCH is /eks'ch*/ or /eksch/ vt. To exchange two things, each for the other; to swap places. If you point to two people sitting down and say "Exch!", you are asking them to trade places. EXCH, meaning EXCHange, was originally the name of a P...
EXCH2 is contents of a register and a memory location. Many newer hackers tend to be thinking instead of the PostScript exchange operator (which is usually written in lowercase).
excl is /eks'kl/ n. Abbreviation for `exclamation point'. See {bang}, {shriek}, {{ASCII}}.
EXE is /eks'ee/ or /eek'see/ or /E-X-E/ n. An executable binary file. Some operating systems (notably MS-DOS, VMS, and TWENEX) use the extension .EXE to mark such files. This usage is also occasionally found among UNIX programmers even thoug...
exec is /eg-zek'/ vt.,n. 1. [UNIX from `execute'] Synonym for {chain}, derives from the `exec(2)' call. 2. [from `executive'] obs. The command interpreter for an {OS} (see {shell}); term esp. used around mainframes, and prob. derived from ...
exec2 is systems. 3. At IBM, the equivalent of a shell command file (among VM/CMS users). The mainstream `exec' as an abbreviation for (human) executive is *not* used. To a hacker, an `exec' is a always a program, never a person.
left as an exercise is [from technical books] Used to complete a proof when one doesn't mind a {handwave}, or to avoid one entirely. The complete phrase is "The proof (or the rest) is left as an exercise for the reader." This comment *has* o...
left as an exercise2 is research problems by authors possessed of either an evil sense of humor or a vast faith in the capabilities of their audiences.
eyeball search is n. To look for something in a mass of code or data with one's own native optical sensors, as opposed to using some sort of pattern matching software like {grep} or any other automated search tool. Also called a {vgrep}; comp...
eyeball search2 is `fabricate'] v. 1. To produce chips from a design that may have been created by someone at another company. Fabbing chips based on the designs of others is the activity of a {silicon foundry}. To a hacker, `fab' is practica...
eyeball search3 is line' the production system (lithography, diffusion, etching, etc.) for chips at a chip manufacturer. Different `fab lines' are run with different process parameters, die sizes, or technologies, or simply to provide more ...
face time is n. Time spent interacting with somebody face-to-face (as opposed to via electronic links). "Oh, yeah, I spent some face time with him at the last Usenix."
factor is n. See {coefficient}.
fall over is [IBM] vi. Yet another synonym for {crash} or {lose}. `Fall over hard' equates to {crash and burn}.
fall through is v. (n. `fallthrough', var. `fall-through') 1. To exit a loop by exhaustion, i.e., by having fulfilled its exit condition rather than via a break or exception condition that exits from the middle of it. This usage appears to be...
fall through2 is 1950s. 2. To fail a test that would have passed control to a subroutine or some other distant portion of code. 3. In C, `fall-through' occurs when the flow of execution in a switch statement reaches a `case' label other than ...
fall through3 is passing a point where one would normally expect to find a `break'. A trivial example The variant spelling `/* FALL THRU */' is also common. The effect of this code is to `do_green()' when color is `GREEN', `do_red()' when c...
fall through4 is other than `PINK', and (and this is the important part) `do_pink()' *and then* `do_red()' when color is `PINK'. Fall-through is {considered harmful} by some, though there are contexts (such as the coding of state machines) ...
fall through5 is considered good practice to include a comment highlighting the fall-through where one would normally expect a break.
fandango on core is [UNIX/C hackers, from the Mexican dance] n. In C, a wild pointer that runs out of bounds, causing a {core dump}, or corrupts the `malloc(3)' {arena} in such a way as to cause mysterious failures later on, is sometimes said ...
fandango on core2 is low-end personal machines without an MMU, this can corrupt the OS itself, causing massive lossage. Other frenetic dances such as the rhumba, cha-cha, or watusi, may be substituted. See {aliasing bug}, {precedence lossage}...
FAQ list is /F-A-Q list/ [USENET] n. A compendium of accumulated lore, posted periodically to high-volume newsgroups in an attempt to forestall Frequently Asked Questions. This lexicon itself serves as a good example of a collection of one ki...
FAQ list2 is regular posting. Examples "What is the proper type of NULL?" and "What's that funny name for the `#' character?" are both Frequently Asked Questions. Several extant FAQ lists do (or should) make reference to the Jargon File (t...
FAQL is /fa'kl/ n. Syn. {FAQ list}.
farming is [Adelaide University, Australia] n. What the heads of a disk drive are said to do when they plow little furrows in the magnetic media. Associated with a {crash}. Typically used as follows "Oh no, the machine has just crashed; I ho...
fascist is adj. 1. Said of a computer system with excessive or annoying security barriers, usage limits, or access policies. The implication is that said policies are preventing hackers from getting interesting work done. The variant `fascis...
fascist2 is poss. by analogy with `touristic' (see {tourist}). 2. In the design of languages and other software tools, `the fascist alternative' is the most restrictive and structured way of capturing a particular function; the implication ...
fascist3 is simplify the implementation or provide tighter error checking. Compare {bondage-and-discipline language}, but that term is global rather than local.
faulty is adj. Non-functional; buggy. Same denotation as {bletcherous}, {losing}, q.v., but the connotation is much milder.
fd leak is /ef dee leek/ n. A kind of programming bug analogous to a {core leak}, in which a program fails to close file descriptors (`fd's) after file operations are completed, and thus eventually runs out of them. See {leak}.
fear and loathing is [from Hunter Thompson] n. A state inspired by the prospect of dealing with certain real-world systems and standards that are totally {brain-damaged} but ubiquitous --- Intel 8086s, or {COBOL}, or {{EBCDIC}}, or any {IBM} m...
fear and loathing2 is RS/6000). "Ack! They want PCs to be able to talk to the AI machine. Fear and loathing time!"
feature is n. 1. A good property or behavior (as of a program). Whether it was intended or not is immaterial. 2. An intended property or behavior (as of a program). Whether it is good or not is immaterial (but if bad, it is also a {misfeatur...
feature2 is in particular, one that is purposely inconsistent because it works better that way --- such an inconsistency is therefore a {feature} and not a {bug}. This kind of feature is sometimes called a {miswart}; see that entry for a cl...
feature3 is is gratuitous or unnecessary, though perhaps also impressive or cute. For example, one feature of Common LISP's `format' function is the ability to print numbers in two different Roman-numeral formats (see {bells, whistles, and g...
feature4 is put in to help someone else but that happens to be in your way. 6. A bug that has been documented. To call something a feature sometimes means the author of the program did not consider the particular case, and that the program r...
feature5 is strictly incorrect. A standard joke is that a bug can be turned into a {feature} simply by documenting it (then theoretically no one can complain about it because it's in the manual), or even by simply declaring it to be good. "T...
feature6 is common catchphrase. See also {feetch feetch}, {creeping featurism}, {wart}, {green lightning}. The relationship among bugs, features, misfeatures, warts, and miswarts might be clarified by the following hypothetical exchange b...
feature7 is seat doesn't recline." B "That's not a bug, that's a feature. There is an emergency exit door built around the window behind you, and the route has to be kept clear." A "Oh. Then it's a misfeature; they should have increased th...
feature8 is if they'd increased spacing in only one section it would have been a wart --- they would've had to make nonstandard-length ceiling panels to fit over the displaced seats." A "A miswart, actually. If they increased spacing throug...
feature9 is of the profit margin. So unequal spacing would actually be the Right Thing." B "Indeed." {Undocumented feature} is a common, allegedly humorous euphemism for a {bug}.
feature creature is [poss. fr. slang `creature feature' for a horror movie] n. One who loves to add features to designs or programs, perhaps at the expense of coherence, concision, or {taste}. See also {feeping creaturism}, {creeping featuris...
feature shock is [from Alvin Toffler's book title `Future Shock'] n. A user's (or programmer's!) confusion when confronted with a package that has too many features and poor introductory material.
featurectomy is /fee`ch*r-ek't*-mee/ n. The act of removing a feature from a program. Featurectomies come in two flavors, the `righteous' and the `reluctant'. Righteous featurectomies are performed because the remover believes the program wo...
featurectomy2 is there is already an equivalent and better way to achieve the same end. (This is not quite the same thing as removing a {misfeature}.) Reluctant featurectomies are performed to satisfy some external constraint such as code si...
feep is /feep/ 1. n. The soft electronic `bell' sound of a display terminal (except for a VT-52); a beep (in fact, the microcomputer world seems to prefer {beep}). 2. vi. To cause the display to make a feep sound. ASR-33s (the original TTYs)...
feep2 is that ring. Alternate forms {beep}, `bleep', or just about anything suitably onomatopoeic. (Jeff MacNelly, in his comic strip "Shoe", uses the word `eep' for sounds made by computer terminals and video games; this is perhaps the cl...
feep3 is `breedle' was sometimes heard at SAIL, where the terminal bleepers are not particularly soft (they sound more like the musical equivalent of a raspberry or Bronx cheer; for a close approximation, imagine the sound of a Star Trek commu...
feep4 is `feeper' on a VT-52 has been compared to the sound of a '52 Chevy stripping its gears. See also {ding}.
feeper is /fee'pr/ n. The device in a terminal or workstation (usually a loudspeaker of some kind) that makes the {feep} sound.
feeping creature is [from {feeping creaturism}] n. An unnecessary feature; a bit of {chrome} that, in the speaker's judgment, is the camel's nose for a whole horde of new features.
feeping creaturism is /fee'ping kree`ch*r-izm/ n. A deliberate spoonerism for {creeping featurism}, meant to imply that the system or program in question has become a misshapen creature of hacks. This term isn't really well defined, but it so...
feeping creaturism2 is heard it. It is probably reinforced by an image of terminals prowling about in the dark making their customary noises.
feetch feetch is /feech feech/ interj. If someone tells you about some new improvement to a program, you might respond "Feetch, feetch!" The meaning of this depends critically on vocal inflection. With enthusiasm, it means something like "Bo...
feetch feetch2 is Grudgingly or with obvious doubt, it means "I don't know; it sounds like just one more unnecessary and complicated thing". With a tone of resignation, it means, "Well, I'd rather keep it simple, but I suppose it has to be do...
fence is n. 1. A sequence of one or more distinguished ({out-of-band}) characters (or other data items), used to delimit a piece of data intended to be treated as a unit (the computer-science literature calls this a `sentinel'). The NUL (AS...
fence2 is in C is a fence. Hex FF is probably the most common fence character after NUL. See {zigamorph}. 2. [among users of optimizing compilers] Any technique, usually exploiting knowledge about the compiler, that blocks certain optimiza...
fence3 is available or are overkill. Typically a hack "I call a dummy procedure there to force a flush of the optimizer's register-coloring info" can be expressed by the shorter "That's a fence procedure".
fencepost error is n. 1. A problem with the discrete equivalent of a boundary condition. Often exhibited in programs by iterative loops. From the following problem "If you build a fence 100 feet long with posts 10 feet apart, how many posts ...
fencepost error2 is answer than the obvious 10. For example, suppose you have a long list or array of items, and want to process items m through n; how many items are there? The obvious answer is n - m, but that is off by one; the right an...
fencepost error3 is `obvious' formula would have a fencepost error in it. See also {zeroth} and {off-by-one error}, and note that not all off-by-one errors are fencepost errors. The game of Musical Chairs involves a catastrophic off-by-one...
fencepost error4 is chairs, but it's not a fencepost error. Fencepost errors come from counting things rather than the spaces between them, or vice versa, or by neglecting to consider whether one should count one or both ends of a row. 2. Oc...
fencepost error5 is regular spacing of inputs, which can (for instance) screw up your hash table.
fepped out is /fept owt/ adj. The Symbolics 3600 Lisp Machine has a Front-End Processor called a `FEP' (compare sense 2 of {box}). When the main processor gets {wedged}, the FEP takes control of the keyboard and screen. Such a machine is said...
FidoNet is n. A worldwide hobbyist network of personal computers which exchange mail, discussion groups, and files. Founded in 1984 and originally consisting only of IBM PCs and compatibles, FidoNet now includes such diverse machines as Apple...
FidoNet2 is Though it is much younger than {USENET}, FidoNet is already (in early 1991) a significant fraction of USENET's size at some 8000 systems.
field circus is [a derogatory pun on `field service'] n. The field service organization of any hardware manufacturer, but especially DEC. There is an entire genre of jokes about DEC field circus engineers Q How can you recognize a DEC fie...
field circus2 is A He's changing each tire to see which one is flat. Q How can you recognize a DEC field circus engineer who is out of gas? A He's changing each tire to see which one is flat. There is also the `Field Circus Cheer' ...
field circus3 is Maynard! Maynard! Don't mess with us! We're mean and we're tough! If you get us confused We'll screw up your stuff. (DEC's service HQ is located in Maynard, Massachusetts.)
field servoid is [play on `android'] /fee'ld ser'voyd/ n. Representative of a field service organization (see {field circus}). This has many of the implications of {droid}.
Fight-o-net is [FidoNet] n. Deliberate distortion of {FidoNet}, often applied after a flurry of {flamage} in a particular {echo}, especially the SYSOP echo or Fidonews (see {'Snooze}).
File Attach is [FidoNet] 1. n. A file sent along with a mail message from one BBS to another. 2. vt. Sending someone a file by using the File Attach option in a BBS mailer.
File Request is [FidoNet] 1. n. The {FidoNet} equivalent of {FTP}, in which one BBS system automatically dials another and {snarf}s one or more files. Files are often announced as being "available for {FReq}" in the same way that files are an...
File Request2 is FTP" on the Internet. 2. vt. The act of getting a copy of a file by using the File Request option of the BBS mailer.
filk is /filk/ [from SF fandom, where a typo for `folk' was adopted as a new word] n.,v. A `filk' is a popular or folk song with lyrics revised or completely new lyrics, intended for humorous effect when read and/or to be sung late at night at...
filk2 is subgenre of these called `computer filks', written by hackers and often containing rather sophisticated technical humor. See {double bucky} for an example.
film at 11 is [MIT in parody of TV newscasters] Used in conversation to announce ordinary events, with a sarcastic implication that these events are earth-shattering. "{{ITS}} crashes; film at 11." "Bug found in scheduler; film at 11."
filter is [orig. {{UNIX}}, now also in {{MS-DOS}}] n. A program that processes an input data stream into an output data stream in some well-defined way, and does no I/O to anywhere else except possibly on error conditions; one designed to be u...
Finagle's Law is n. The generalized or `folk' version of {Murphy's Law}, fully named "Finagle's Law of Dynamic Negatives" and usually rendered "Anything that can go wrong, will". One variant favored among hackers is "The perversity of the U...
Finagle's Law2 is {Hanlon's Razor}). The label `Finagle's Law' was popularized by SF author Larry Niven in several stories depicting a frontier culture of asteroid miners; this `Belter' culture professed a religion and/or running joke invol...
Finagle's Law3 is his mad prophet Murphy.
fine is [WPI] adj. Good, but not good enough to be {cuspy}. The word `fine' is used elsewhere, of course, but without the implicit comparison to the higher level implied by {cuspy}.
finger is [WAITS, via BSD UNIX] 1. n. A program that displays a particular user or all users logged on the system or a remote system. Typically shows full name, last login time, idle time, terminal line, and terminal location (where applicabl...
finger2 is the user. 2. vt. To apply finger to a username. 3. vt. By extension, to check a human's current state by any means. "Foodp?" "T!" "OK, finger Lisa and see if she's idle." 4. Any picture (composed of ASCII characters) depicti...
finger3 is component of one's plan file to deter the curious fingerer (sense 2), it has entered the arsenal of some {flamer}s.
finger-pointing syndrome is n. All-too-frequent result of bugs, esp. in new or experimental configurations. The hardware vendor points a finger at the software. The software vendor points a finger at the hardware. All the poor users get is ...
firebottle is n. A large, primitive, power-hungry active electrical device, similar in function to a FET but constructed out of glass, metal, and vacuum. Characterized by high cost, low density, low reliability, high-temperature operation, an...
firebottle2 is mistakenly called a `tube' in the U.S. or a `valve' in England; another hackish term is {glassfet}.
factpacks/jargon-split.fact view on Meta::CPAN
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...
factpacks/jargon-split.fact view on Meta::CPAN
mainframe3 is built by IBM, Unisys, and the other great {dinosaur}s surviving from computing's {Stone Age}. It is common wisdom among hackers that the mainframe architectural tradition is essentially dead (outside of the tiny market for {n...
mainframe4 is having been swamped by the recent huge advances in IC technology and low-cost personal computing. As of 1991, corporate America hasn't quite figured this out yet, though the wave of failures, takeovers, and mergers among tradi...
mainframe5 is the wind (see {dinosaurs mating}).
management is n. 1. Corporate power elites distinguished primarily by their distance from actual productive work and their chronic failure to manage (see also {suit}). Spoken derisively, as in "*Management* decided that ...". 2. Mythically, ...
management2 is world's minor irritations. Hackers' satirical public notices are often signed `The Mgt'; this derives from the `Illuminatus' novels (see the Bibliography).
mandelbug is /mon'del-buhg/ [from the Mandelbrot set] n. A bug whose underlying causes are so complex and obscure as to make its behavior appear chaotic or even non-deterministic. This term implies that the speaker thinks it is a {Bohr bug}, ...
manged is /monjd/ [probably from the French `manger' or Italian `mangiare', to eat; perhaps influenced by English n. `mange', `mangy'] adj. Refers to anything that is mangled or damaged, usually beyond repair. "The disk was manged after the e...
mangle is vt. Used similarly to {mung} or {scribble}, but more violent in its connotations; something that is mangled has been irreversibly and totally trashed.
mangler is [DEC] n. A manager. Compare {mango}; see also {management}. Note that {system mangler} is somewhat different in connotation.
mango is /mang'go/ [orig. in-house jargon at Symbolics] n. A manager. Compare {mangler}. See also {devo} and {doco}.
marbles is [from mainstream "lost all his/her marbles"] pl.n. The minimum needed to build your way further up some hierarchy of tools or abstractions. After a bad system crash, you need to determine if the machine has enough marbles to come u...
marbles2 is rebuild from backups, or if you need to rebuild from scratch. "This compiler doesn't even have enough marbles to compile `Hello World'."
marginal is adj. 1. Extremely small. "A marginal increase in {core} can decrease {GC} time drastically." In everyday terms, this means that it is a lot easier to clean off your desk if you have a spare place to put some of the junk while you...
marginal2 is merit. "This proposed new feature seems rather marginal to me." 3. Of extremely small probability of {win}ning. "The power supply was rather marginal anyway; no wonder it fried."
Marginal Hacks is n. Margaret Jacks Hall, a building into which the Stanford AI Lab was moved near the beginning of the 1980s (from the {D. C. Power Lab}).
marginally is adv. Slightly. "The ravs here are only marginally better than at Small Eating Place." See {epsilon}.
marketroid is /mar'k*-troyd/ alt. `marketing slime', `marketing droid', `marketeer' n. A member of a company's marketing department, esp. one who promises users that the next version of a product will have features that are not actually sche...
marketroid2 is to implement, and/or are in violation of the laws of physics; and/or one who describes existing features (and misfeatures) in ebullient, buzzword-laden adspeak. Derogatory. Compare {droid}.* martian: n. A packet sent on a TC...
marketroid3 is test loopback interface [127.0.0.1]. This means that it will come back at you labeled with a source address that is clearly not of this earth. "The domain server is getting lots of packets from Mars. Does that gateway have a ...
massage: vt. Vague term used to describe `smooth' transformations of is a data set into a different form, esp. transformations that do not lose information. Connotes less pain than {munch} or {crunch}. "He wrote a program that massages X bitm...
math-out: [poss. from `white-out' (the blizzard variety)] n. A is paper or presentation so encrusted with mathematical or other formal notation as to be incomprehensible. This may be a device for concealing the fact that it is actually {conte...
Matrix: [FidoNet] n. 1. What the Opus BBS software and sysops call is {FidoNet}. 2. Fanciful term for a {cyberspace} expected to emerge from current networking experiments (see {network, the}). Some people refer to the totality of present net...
Mbogo, Dr. Fred: /*m-boh'goh, dok'tr fred/ [Stanford] n. The is archetypal man you don't want to see about a problem, esp. an incompetent professional; a shyster. "Do you know a good eye doctor?" "Sure, try Mbogo Eye Care and Professional Dr...
Mbogo, Dr. Fred: /*m-boh'goh, dok'tr fred/ [Stanford] n. The2 is between {bogus} and the original Dr. Mbogo, a witch doctor who was Gomez Addams' physician on the old "Addams Family" TV show. See also {fred}.
meatware is n. Synonym for {wetware}. Less common.
meeces is /mees'*z/ [TMRC] n. Occasional furry visitors who are not {urchin}s. [That is, mice. This may no longer be in live use; it clearly derives from the refrain of the early-1960s cartoon character Mr. Jinx: "I hate meeces to *pieces*!" ...
meg is /meg/ n. See {{quantifiers}}.
mega- is /me'g*/ [SI] pref. See {{quantifiers}}.
megapenny is /meg'*-pen`ee/ n. $10,000 (1 cent * 10^6). Used semi-humorously as a unit in comparing computer cost and performance figures.
MEGO is /me'goh/ or /mee'goh/ [`My Eyes Glaze Over', often `Mine Eyes Glazeth (sic) Over', attributed to the futurologist Herman Kahn] Also `MEGO factor'. 1. n. A {handwave} intended to confuse the listener and hopefully induce agreement beca...
MEGO2 is not understanding what is going on. MEGO is usually directed at senior management by engineers and contains a high proportion of {TLA}s. 2. excl. An appropriate response to MEGO tactics. 3. Among non-hackers this term often refers ...
MEGO3 is glaze, but to the eye-glazing reaction itself, which may be triggered by the mere threat of technical detail as effectively as by an actual excess of it.
meltdown, network is n. See {network meltdown}.
meme is /meem/ [coined on analogy with `gene' by Richard Dawkins] n. An idea considered as a {replicator}, esp. with the connotation that memes parasitize people into propagating them much as viruses do. Used esp. in the phrase `meme complex'...
meme2 is memes that form an organized belief system, such as a religion. This lexicon is an (epidemiological) vector of the `hacker subculture' meme complex; each entry might be considered a meme. However, `meme' is often misused to mean `...
meme3 is acceptance of the idea that in humans (and presumably other tool- and language-using sophonts) cultural evolution by selection of adaptive ideas has superseded biological evolution by selection of hereditary traits. Hackers find this...
meme plague is n. The spread of a successful but pernicious {meme}, esp. one that parasitizes the victims into giving their all to propagate it. Astrology, BASIC, and the other guy's religion are often considered to be examples. This usage i...
meme plague2 is `joiner' ideologies like Naziism or various forms of millennarian Christianity have exhibited plague-like cycles of exponential growth followed by collapses to small reservoir populations.
memetics is /me-met'iks/ [from {meme}] The study of memes. As of mid-1991, this is still an extremely informal and speculative endeavor, though the first steps towards at least statistical rigor have been made by H. Keith Henson and others. ...
memetics2 is among hackers, who like to see themselves as the architects of the new information ecologies in which memes live and replicate.
memory leak is n. An error in a program's dynamic-store allocation logic that causes it to fail to reclaim discarded memory, leading to eventual collapse due to memory exhaustion. Also (esp. at CMU) called {core leak}. See {aliasing bug}, {f...
memory leak2 is {precedence lossage}, {overrun screw}, {leaky heap}, {leak}.
menuitis is /men`yoo-i:'tis/ n. Notional disease suffered by software with an obsessively simple-minded menu interface and no escape. Hackers find this intensely irritating and much prefer the flexibility of command-line or language-style inte...
menuitis2 is macros or a special-purpose language in which one can encode useful hacks. See {user-obsequious}, {drool-proof paper}, {WIMP environment}, {for the rest of us}.
mess-dos is /mes-dos/ n. Derisory term for MS-DOS. Often followed by the ritual banishing "Just say No!" See {{MS-DOS}}. Most hackers (even many MS-DOS hackers) loathe MS-DOS for its single-tasking nature, its limits on application size, it...
mess-dos2 is IBMness (see {fear and loathing}). Also `mess-loss', `messy-dos', `mess-dog', `mess-dross', `mush-dos', and various combinations thereof. In Ireland and the U.K. it is even sometimes called `Domestos' after a brand of toilet c...
meta is /me't*/ or /may't*/ or (Commonwealth) /mee't*/ [from analytic philosophy] adj.,pref. One level of description up. A meta-syntactic variable is a variable in notation used to describe syntax, and meta-language is language used to descri...
meta2 is briefly, but much hacker humor turns on deliberate confusion between meta-levels. See {{Humor, Hacker}}.
meta bit is n. The top bit of an 8-bit character, which is on in character values 128--255. Also called {high bit}, {alt bit}, or {hobbit}. Some terminals and consoles (see {space-cadet keyboard}) have a META shift key. Others (including, ...
meta bit2 is machines) have an ALT key. See also {bucky bits}.
MFTL is /M-F-T-L/ [acronym: `My Favorite Toy Language'] 1. adj. Describes a talk on a programming language design that is heavy on the syntax (with lots of BNF), sometimes even talks about semantics (e.g., type systems), but rarely, if ever, h...
MFTL2 is broadly applied to talks --- even when the topic is not a programming language --- in which the subject matter is gone into in unnecessary and meticulous detail at the sacrifice of any conceptual content. "Well, it was a typical MFTL...
MFTL3 is which the developers are passionate (often to the point of prosyletic zeal) but no one else cares about. Applied to the language by those outside the originating group. "He cornered me about type resolution in his MFTL." The fir...
MFTL4 is MFTL is usually to write a compiler for it, then bootstrap the design away from contamination by lesser languages by writing a compiler for it in itself. Thus, the standard put-down question at an MFTL talk is "Has it been used for...
MFTL5 is other hand, a language that *cannot* be used to write its own compiler is beneath contempt...
mickey is n. The resolution unit of mouse movement. It has been suggested that the `disney' will become a benchmark unit for animation graphics performance.
mickey mouse program is n. North American equivalent of a {noddy} (that is, trivial) program. Doesn't necessarily have the belittling connotations of mainstream slang "Oh, that's just mickey mouse stuff!"; sometimes trivial programs can be ve...
micro- is pref. 1. Very small; this is the root of its use as a quantifier prefix. 2. A quantifier prefix, calling for multiplication by 10^{-6} (see {{quantifiers}}). Neither of these uses is peculiar to hackers, but hackers tend to fling ...
micro-2 is countenanced in standard English. It is recorded, for example, that one CS professor used to characterize the standard length of his lectures as a microcentury --- that is, about 52.6 minutes (see also {attoparsec}, {nanoacre}, a...
micro-3 is or human-scale --- that is, capable of being maintained or comprehended or manipulated by one human being. This sense is generalized from `microcomputer', and is esp. used in contrast with `macro-' (the corresponding Greek prefix...
micro-4 is global (or {macro-}). Thus a hacker might say that buying a smaller car to reduce pollution only solves a microproblem; the macroproblem of getting to work might be better solved by using mass transit, moving to within walking di...
micro-5 is microfloppies n. 3.5-inch floppies, as opposed to 5.25-inch {vanilla} or mini-floppies and the now-obsolete 8-inch variety. This term may be headed for obsolescence as 5.25-inchers pass out of use, only to be revived if anybody floa...
micro-6 is {stiffy}, {minifloppies}.
microfortnight is n. About 1.2 sec. The VMS operating system has a lot of tuning parameters that you can set with the SYSGEN utility, and one of these is TIMEPROMPTWAIT, the time the system will wait for an operator to set the correct date and...
microfortnight2 is current value is bogus. This time is specified in microfortnights!
microLenat is /mi:-kroh-len'-*t/ n. See {bogosity}.
microReid is /mi:'kroh-reed/ n. See {bogosity}.
Microsloth Windows is /mi:'kroh-sloth` win'dohz/ n. Hackerism for `Microsoft Windows', a windowing system for the IBM-PC which is so limited by bug-for-bug compatibility with {mess-dos} that it is agonizingly slow on anything less than a fast ...
microtape is /mi:'kroh-tayp/ n. Occasionally used to mean a DECtape, as opposed to a {macrotape}. A DECtape is a small reel, about 4 inches in diameter, of magnetic tape about an inch wide. Unlike drivers for today's {macrotape}s, microtape ...
microtape2 is therefore could be used to support file systems and even for swapping (this was generally done purely for {hack value}, as they were far too slow for practical use). In their heyday they were used in pretty much the same ways ...
microtape3 is portable way to save and transport files and programs. Apparently the term `microtape' was actually the official term used within DEC for these tapes until someone coined the word `DECtape', which, of course, sounded sexier to t...
middle-endian is adj. Not {big-endian} or {little-endian}. Used of perverse byte orders such as 3-4-1-2 or 2-1-4-3, occasionally found in the packed-decimal formats of minicomputer manufacturers who shall remain nameless. See {NUXI problem}.
milliLampson is /mil'*-lamp`sn/ n. A unit of talking speed, abbreviated mL. Most people run about 200 milliLampsons. Butler Lampson (a CS theorist and systems implementor highly regarded among hackers) goes at 1000. A few people speak faste...
milliLampson2 is the (sometimes widely disparate) rates at which people can generate ideas and actually emit them in speech. For example, noted computer architect C. Gordon Bell (designer of the PDP-11) is said, with some awe, to think at abo...
milliLampson3 is frequently reduced to fragments of sentences as his mouth tries to keep up with his speeding brain.
minifloppies is n. 5.25-inch {vanilla} floppy disks, as opposed to 3.5-inch or {microfloppies} and the now-obsolescent 8-inch variety. At one time, this term was a trademark of Shugart Associates for their SA-400 minifloppy drive. Nobody pai...
MIPS is /mips/ [acronym] n. 1. A measure of computing speed; formally, `Million Instructions Per Second' (that's 10^6 per second, not 2^{20}!); often rendered by hackers as `Meaningless Indication of Processor Speed' or in other unflattering...
MIPS2 is attitude about the value of most {benchmark} claims, said attitude being one of the great cultural divides between hackers and {marketroid}s. The singular is sometimes `1 MIP' even though this is clearly etymologically wrong. See ...
MIPS3 is especially large computers, considered abstractly as sources of {computron}s. "This is just a workstation; the heavy MIPS are hidden in the basement." 3. The corporate name of a particular RISC-chip company; among other things, th...
MIPS4 is 3100 workstation series. 4. Acronym for `Meaningless Information per Second' (a joke, prob. from sense 1).
misbug is /mis-buhg/ [MIT] n. An unintended property of a program that turns out to be useful; something that should have been a {bug} but turns out to be a {feature}. Usage: rare. Compare {green lightning}. See {miswart}.
misfeature is /mis-fee'chr/ or /mis'fee`chr/ n. A feature that eventually causes lossage, possibly because it is not adequate for a new situation which has evolved. It is not the same as a bug, because fixing it involves a substantial philoso...
misfeature2 is involved. A misfeature is different from a simple unforeseen side effect; the term implies that the misfeature was actually carefully planned to be that way, but its future consequences or circumstances just weren't predicted ...
misfeature3 is having thought ahead about it at all. Many misfeatures (especially in user-interface design) arise because the designers/implementors mistook their personal tastes for laws of nature. Often a former feature becomes a misfeat...
misfeature4 is parameters subsequently changed (possibly only in the judgment of the implementors). "Well, yeah, it is kind of a misfeature that file names are limited to 6 characters, but the original implementors wanted to save directory ...
Missed'em-five is n. Pejorative hackerism for AT&T System V UNIX, generally used by {BSD} partisans in a bigoted mood. (The synonym `SysVile' is also encountered.) See {software bloat}, {Berzerkeley}.
miswart is /mis-wort/ [from {wart} by analogy with {misbug}] n. A {feature} that superficially appears to be a {wart} but has been determined to be the {Right Thing}. For example, in some versions of the {EMACS} text editor, the `transpose ch...
miswart2 is characters on either side of the cursor on the screen, *except* when the cursor is at the end of a line, in which case the two characters before the cursor are exchanged. While this behavior is perhaps surprising, and certainly i...
miswart3 is extensive experimentation to be what most users want. This feature is a miswart.
mod is vt.,n. 1. Short for `modify' or `modification'. Very commonly used --- in fact the full terms are considered markers that one is being formal. The plural `mods' is used esp. with reference to bug fixes or minor design changes in hardw...
mod2 is {patch} sets or a {diff}. 2. Short for {modulo} but used *only* for its techspeak sense.
mode is n. A general state, usually used with an adjective describing the state. Use of the word `mode' rather than `state' implies that the state is extended over time, and probably also that some activity characteristic of that state is b...
mode2 is thesis mode." In its jargon sense, `mode' is most often attributed to people, though it is sometimes applied to programs and inanimate objects. In particular, see {hack mode}, {day mode}, {night mode}, {demo mode}, {fireworks mode}...
mode3 is also often hears the verbs `enable' and `disable' used in connection with jargon modes. Thus, for example, a sillier way of saying "I'm going to crash" is "I'm going to enable crash mode now". One might also hear a request to "disab...
mode bit is n. A {flag}, usually in hardware, that selects between two (usually quite different) modes of operation. The connotations are different from {flag} bit in that mode bits are mainly written during a boot or set-up phase, are seldom...
mode bit2 is lifetime of an ordinary program. The classic example was the EBCDIC-vs.-ASCII bit (#12) of the Program Status Word of the IBM 360. Another was the bit on a PDP-12 that controlled whether it ran the PDP-8 or the LINC instruction ...
modulo is /mo'dyu-loh/ prep. Except for. From mathematical terminology; one can consider saying that 4 = 22 except for the 9s (4 = 22 mod 9). "Well, LISP seems to work okay now, modulo that {GC} bug." "I feel fine today modulo a slight he...
molly-guard is /mol'ee-gard/ [University of Illinois] n. A shield to prevent tripping of some {Big Red Switch} by clumsy or ignorant hands. Originally used of some plexiglass covers improvised for the BRS on an IBM 4341 after a programmer's t...
molly-guard2 is twice in one day. Later generalized to covers over stop/reset switches on disk drives and networking equipment.
Mongolian Hordes technique is n. Development by {gang bang} (poss. from the Sixties counterculture expression `Mongolian clusterfuck' for a public orgy). Implies that large numbers of inexperienced programmers are being put on a job better pe...
Mongolian Hordes technique2 is `Chinese Army technique'; see also {Brooks's Law}.
monkey up is vt. To hack together hardware for a particular task, especially a one-shot job. Connotes an extremely {crufty} and consciously temporary solution. Compare {hack up}, {kluge up}, {cruft together}, {cruft together}.
monkey, scratch is n. See {scratch monkey}.
monstrosity is 1. n. A ridiculously {elephantine} program or system, esp. one that is buggy or only marginally functional. 2. The quality of being monstrous (see `Overgeneralization' in the discussion of jargonification). See also {baroque}.
Moof is /moof/ [MAC users] n. The Moof or `dogcow' is a semi-legendary creature that lurks in the depths of the Macintosh Technical Notes Hypercard stack V3.1; specifically, the full story of the dogcow is told in technical note #31 (the parti...
Moof2 is `Clarus'). Option-shift-click will cause it to emit a characteristic `Moof!' or `!fooM' sound. *Getting* to tech note 31 is the hard part; to discover how to do that, one must needs examine the stack script with a hackerly eye. Cl...
Moof3 is if you choose `Page Setup...' with a LaserWriter selected and click on the `Options' button.
Moore's Law is /morz law/ prov. The observation that the logic density of silicon integrated circuits has closely followed the curve (bits per square inch) = 2^{(n - 1962)}; that is, the amount of information storable in one square inch of si...
Moore's Law2 is since the technology was invented. See also {Parkinson's Law of Data}.
moria is /mor'ee-*/ n. Like {nethack} and {rogue}, one of the large PD Dungeons-and-Dragons-like simulation games, available for a wide range of machines and operating systems. Extremely addictive and a major consumer of time better used for ...
MOTAS is /moh-toz/ [USENET: Member Of The Appropriate Sex, after {MOTOS} and {MOTSS}] n. A potential or (less often) actual sex partner. See also {SO}.
MOTOS is /moh-tohs/ [acronym from the 1970 U.S. census forms via USENET: Member Of The Opposite Sex] n. A potential or (less often) actual sex partner. See {MOTAS}, {MOTSS}, {SO}. Less common than MOTSS or {MOTAS}, which have largely displac...
MOTSS is /mots/ or /M-O-T-S-S/ [from the 1970 U.S. census forms via USENET, Member Of The Same Sex] n. Esp. one considered as a possible sexual partner. The gay-issues newsgroup on USENET is called soc.motss. See {MOTOS} and {MOTAS}, which d...
mouse ahead is vi. Point-and-click analog of `type ahead'. To manipulate a computer's pointing device (almost always a mouse in this usage, but not necessarily) and its selection or command buttons before a computer program is ready to accept...
mouse ahead2 is accepting the input. Handling this properly is rare, but it can help make a {WIMP environment} much more usable, assuming the users are familiar with the behavior of the user interface.
mouse around is vi. To explore public portions of a large system, esp. a network such as Internet via {FTP} or {TELNET}, looking for interesting stuff to {snarf}.
mouse belt is n. See {rat belt}.
mouse droppings is [MS-DOS] n. Pixels (usually single) that are not properly restored when the mouse pointer moves away from a particular location on the screen, producing the appearance that the mouse pointer has left droppings behind. The m...
mouse droppings2 is that write to the screen memory corresponding to the mouse pointer's current location without hiding the mouse pointer first, and mouse drivers that do not quite support the graphics mode in use.
mouse elbow is n. A tennis-elbow-like fatigue syndrome resulting from excessive use of a {WIMP environment}. Similarly, `mouse shoulder'; GLS reports that he used to get this a lot before he taught himself to be ambimoustrous.
mouso is /mow'soh/ n. [by analogy with `typo'] An error in mouse usage resulting in an inappropriate selection or graphic garbage on the screen. Compare {thinko}, {braino}.
factpacks/jargon-split.fact view on Meta::CPAN
random numbers2 is as `the least random number'; see 23. 23 Sacred number of Eris, Goddess of Discord (along with 17 and 5). 42 The Answer to the Ultimate Question of Life, the Universe, and Everything. (Note that ...
random numbers3 is 69 From the sexual act. This one was favored in MIT's ITS culture. 105 69 hex = 105 decimal, and 69 decimal = 105 octal. 666 The Number of the Beast. For further enlightenment, consult the `Pr...
random numbers4 is to the Galaxy', `The Joy of Sex', and the Christian Bible (Revelation 138). See also {Discordianism} or consult your pineal gland. One common rhetorical maneuver uses any of the canonical random numbers as placeholders fo...
random numbers5 is arguments, for arbitrary values of 42." "There are 69 ways to leave your lover, for 69 = 50." This is especially likely when the speaker has uttered a random number and realizes that it was not recognized as such, but even ...
random numbers6 is this fashion. A related joke is that pi equals 3 --- for small values of pi and large values of 3.
randomness is n. An inexplicable misfeature; gratuitous inelegance. Also, a {hack} or {crock} that depends on a complex combination of coincidences (or, possibly, the combination upon which the crock depends for its accidental failure to malfu...
randomness2 is 40--57 by putting the character in the four-bit accumulator field of an XCT and then extracting six bits --- the low 2 bits of the XCT opcode are the right thing." "What randomness!"
rape is vt. 1. To {screw} someone or something, violently; in particular, to destroy a program or information irrecoverably. Often used in describing file-system damage. "So-and-so was running a program that did absolute disk I/O and ended up...
rape2 is a piece of hardware for parts.
rare mode is [UNIX] adj. CBREAK mode (character-by-character with interrupts enabled). Distinguished from {raw mode} and `cooked mode'; the phrase "a sort of half-cooked (rare?) mode" is used in the V7/BSD manuals to describe the mode. Usage...
raster blaster is n. [Cambridge] Specialized hardware for {bitblt} operations (a {blitter}). Allegedly inspired by `Rasta Blasta', British slang for the sort of portable stereo Americans call a `boom box' or `ghetto blaster'.
raster burn is n. Eyestrain brought on by too many hours of looking at low-res, poorly tuned, or glare-ridden monitors, esp. graphics monitors. See {terminal illness}.
rat belt is n. A cable tie, esp. the sawtoothed, self-locking plastic kind that you can remove only by cutting (as opposed to a random twist of wire or a twist tie or one of those humongous metal clip frobs). Small cable ties are `mouse belts...
rave is [WPI] vi. 1. To persist in discussing a specific subject. 2. To speak authoritatively on a subject about which one knows very little. 3. To complain to a person who is not in a position to correct the difficulty. 4. To purposely anno...
rave2 is evangelize. See {flame}. 6. Also used to describe a less negative form of blather, such as friendly bullshitting. `Rave' differs slightly from {flame} in that `rave' implies that it is the persistence or obliviousness of the pers...
rave3 is implies somewhat more strongly that the tone is offensive as well.
rave on! is imp. Sarcastic invitation to continue a {rave}, often by someone who wishes the raver would get a clue but realizes this is unlikely.
ravs is /ravz/, also `Chinese ravs' n. Jiao-zi (steamed or boiled) or Guo-tie (pan-fried). A Chinese appetizer, known variously in the plural as dumplings, pot stickers (the literal translation of guo-tie), and (around Boston) `Peking Ravioli...
ravs2 is which among hackers always means the Chinese kind rather than the Italian kind. Both consist of a filling in a pasta shell, but the Chinese kind includes no cheese, uses a thinner pasta, has a pork-vegetable filling (good ones incl...
ravs3 is either by steaming or frying. A rav or dumpling can be cooked any way, but a potsticker is always the fried kind (so called because it sticks to the frying pot and has to be scraped off). "Let's get hot-and-sour soup and three ord...
raw mode is n. A mode that allows a program to transfer bits directly to or from an I/O device without any processing, abstraction, or interpretation by the operating system. Compare {rare}. This is techspeak under UNIX, jargon elsewhere.
rc file is /R-C fil/ [UNIX from the startup script `/etc/rc', but this is commonly believed to have been named after older scripts to `run commands'] n. Script file containing startup instructions for an application program (or an entire ope...
rc file2 is commands of the sort that might have been invoked manually once the system was running but are to be executed automatically each time the system starts up. See also {dot file}.
RE is /R-E/ n. Common spoken and written shorthand for {regexp}.
read-only user is n. Describes a {luser} who uses computers almost exclusively for reading USENET, bulletin boards, and/or email, rather than writing code or purveying useful information. See {twink}, {terminal junkie}, {lurker}.
README file is n. By convention, the top-level directory of a UNIX source distribution always contains a file named `README' (or READ.ME, or rarely ReadMe or some other variant), which is a hacker's-eye introduction containing a pointer to mor...
README file2 is miscellaneous revision history notes, etc. When asked, hackers invariably relate this to the famous scene in Lewis Carroll's `Alice's Adventures In Wonderland' in which Alice confronts magic munchies labeled "Eat Me" and "Drink...
real estate is n. May be used for any critical resource measured in units of area. Most frequently used of `chip real estate', the area available for logic on the surface of an integrated circuit (see also {nanoacre}). May also be used of fl...
real estate2 is on a crowded desktop (whether physical or electronic).
real hack is n. A {crock}. This is sometimes used affectionately; see {hack}.
real operating system is n. The sort the speaker is used to. People from the academic community are likely to issue comments like "System V? Why don't you use a *real* operating system?", people from the commercial/industrial UNIX sector are...
real operating system2 is a *real* operating system?", and people from IBM object "UNIX? Why don't you use a *real* operating system?" See {holy wars}, {religious issues}, {proprietary}, {Get a real computer!}
real programmer is [indirectly, from the book `Real Men Don't Eat Quiche'] n. A particular sub-variety of hacker one possessed of a flippant attitude toward complexity that is arrogant even when justified by experience. The archetypal `real p...
real programmer2 is metal} and is very good at same, remembers the binary opcodes for every machine he has ever programmed, thinks that HLLs are sissy, and uses a debugger to edit his code because full-screen editors are for wimps. Real Pro...
real programmer3 is been {bum}med into a state of {tense}ness just short of rupture. Real Programmers never use comments or write documentation "If it was hard to write", says the Real Programmer, "it should be hard to understand." Real Pr...
real programmer4 is were never in their spec sheets; in fact, they are seldom really happy unless doing so. A Real Programmer's code can awe with its fiendish brilliance, even as its crockishness appalls. Real Programmers live on junk food a...
real programmer5 is walls, and terrify the crap out of other programmers --- because someday, somebody else might have to try to understand their code in order to change it. Their successors generally consider it a {Good Thing} that there are...
real programmer6 is For a famous (and somewhat more positive) portrait of a Real Programmer, see "The Story of Mel" in appendix A.
Real Soon Now is [orig. from SF's fanzine community, popularized by Jerry Pournelle's column in `BYTE'] adv. 1. Supposed to be available (or fixed, or cheap, or whatever) real soon now according to somebody, but the speaker is quite skeptical....
Real Soon Now2 is commitments permit one to get to it (in other words, don't hold your breath). Often abbreviated RSN.
real time is 1. [techspeak] adj. Describes an application which requires a program to respond to stimuli within some small upper limit of response time (typically milli- or microseconds). Process control at a chemical plant is the classic exa...
real time2 is special operating systems (because everything else must take a back seat to response time) and speed-tuned hardware. 2. adv. In jargon, refers to doing something while people are watching or waiting. "I asked her how to find the...
real time3 is stack and she came up with an algorithm in real time."
real user is n. 1. A commercial user. One who is paying *real* money for his computer usage. 2. A non-hacker. Someone using the system for an explicit purpose (a research project, a course, etc.) other than pure exploration. See {user}. H...
real user2 is real users. "I need this fixed so I can do a problem set. I'm not complaining out of randomness, but as a real user." See also {luser}.
Real World is n. 1. Those institutions at which `programming' may be used in the same sentence as `FORTRAN', `{COBOL}', `RPG', `{IBM}', `DBASE', etc. Places where programs do such commercially necessary but intellectually uninspiring things a...
Real World2 is 2. The location of non-programmers and activities not related to programming. 3. A bizarre dimension in which the standard dress is shirt and tie and in which a person's working hours are defined as 9 to 5 (see {code grinder}...
Real World3 is fellow, he's left MIT and gone into the Real World." Used pejoratively by those not in residence there. In conversation, talking of someone who has entered the Real World is not unlike speaking of a deceased person. See also ...
reality check is n. 1. The simplest kind of test of software or hardware; doing the equivalent of asking it what 2 + 2 is and seeing if you get 4. The software equivalent of a {smoke test}. 2. The act of letting a {real user} try out proto...
reaper is n. A {prowler} that {GFR}s files. A file removed in this way is said to have been `reaped'.
rectangle slinger is n. See {polygon pusher}.
recursion is n. See {recursion}. See also {tail recursion}.
recursive acronym is pl.n. A hackish (and especially MIT) tradition is to choose acronyms that refer humorously to themselves or to other acronyms. The classic examples were two MIT editors called EINE ("EINE Is Not EMACS") and ZWEI ("ZWEI Wa...
recursive acronym2 is a Scheme compiler called LIAR (Liar Imitates Apply Recursively), and {GNU} (q.v., sense 1) stands for "GNU's Not UNIX!" --- and a company with the name CYGNUS, which expands to "Cygnus, Your GNU Support". See also {mung...
Red Book is n. 1. Informal name for one of the three standard references on PostScript (`PostScript Language Reference Manual', Adobe Systems (Addison-Wesley, 1985; QA76.73.P67P67; ISBN 0-201-10174-2); the others are known as the {Green Book} ...
Red Book2 is one of the 3 standard references on Smalltalk (`Smalltalk-80 The Interactive Programming Environment' by Adele Goldberg (Addison-Wesley, 1984; QA76.8.S635G638; ISBN 0-201-11372-4); this too is associated with blue and green book...
Red Book3 is CCITT eighth plenary assembly. Until now, these have changed color each review cycle (1988 was {Blue Book}, 1992 will be {Green Book}); however, it is rumored that this convention is going to be dropped before 1992. These incl...
Red Book4 is and the Group 1 through 4 fax standards. 4. The new version of the {Green Book} (sense 4) --- IEEE 1003.1-1990, a.k.a ISO 9945-1 --- is (because of the color and the fact that it is printed on A4 paper) known in the U.S.A. as "th...
Red Book5 is and in Europe as "the Ugly Red Book That's A Sensible Size". 5. The NSA `Trusted Network Interpretation' companion to the {Orange Book}. See also {{book titles}}.
regexp is /reg'eksp/ [UNIX] n. (alt. `regex' or `reg-ex') 1. Common written and spoken abbreviation for `regular expression', one of the wildcard patterns used, e.g., by UNIX utilities such as `grep(1)', `sed(1)', and `awk(1)'. These use con...
regexp2 is those described under {glob}. For purposes of this lexicon, it is sufficient to note that regexps also allow complemented character sets using `^'; thus, one can specify `any non-alphabetic character' with `[^A-Za-z]'. 2. Name o...
regexp3 is portable C, written by revered USENETter Henry Spencer (henry@zoo.toronto.edu).
reinvent the wheel is v. To design or implement a tool equivalent to an existing one or part of one, with the implication that doing so is silly or a waste of time. This is often a valid criticism. On the other hand, automobiles don't use woo...
reinvent the wheel2 is be reinvented many times before you get them right. On the third hand, people reinventing the wheel do tend to come up with the moral equivalent of a trapezoid with an offset axle.
religious issues is n. Questions which seemingly cannot be raised without touching off {holy wars}, such as "What is the best operating system (or editor, language, architecture, shell, mail reader, news reader)?", "What about that Heinlein gu...
religious issues2 is Jargon File?" See {holy wars}; see also {theology}, {bigot}. This term is an example of {ha ha only serious}. People actually develop the most amazing and religiously intense attachments to their tools, even when the t...
religious issues3 is thing one can do when one stumbles into the crossfire is mumble {Get a life!} and leave --- unless, of course, one's *own* unassailably rational and obviously correct choices are being slammed.
replicator is n. Any construct that acts to produce copies of itself; this could be a living organism, an idea (see {meme}), a program (see {worm}, {wabbit}, and {virus}), a pattern in a cellular automaton (see {life}, sense 1), or (speculativ...
replicator2 is claimed by some that {{UNIX}} and {C} are the symbiotic halves of an extremely successful replicator; see {UNIX conspiracy}.
reply is n. See {followup}.
reset is [the MUD community] v. In AberMUD, to bring all dead mobiles to life and move items back to their initial starting places. New players who can't find anything shout "Reset! Reset!" quite a bit. Higher-level players shout back "No way!...
reset2 is found. Used in {RL}, it means to put things back to the way they were when you found them.
restriction is n. A {bug} or design error that limits a program's capabilities, and which is sufficiently egregious that nobody can quite work up enough nerve to describe it as a {feature}. Often used (esp. by {marketroid} types) to make it s...
restriction2 is been intended by the designers all along, or was forced upon them by arcane technical constraints of a nature no mere user could possibly comprehend (these claims are almost invariably false). Old-time hacker Joseph M. Newcom...
restriction3 is quantifiable but arbitrary restriction, you should make it either a power of 2 or a power of 2 minus 1. If you impose a limit of 17 items in a list, everyone will know it is a random number --- on the other hand, a limit of 15...
restriction4 is 0- or 1-based indexing in binary) and you will get less {flamage} for it. Limits which are round numbers in base 10 are always especially suspect.
retcon is /ret'kon/ [`retroactive continuity', from the USENET newsgroup rec.arts.comics] 1. n. The common situation in pulp fiction (esp. comics or soap operas) where a new story `reveals' things about events in previous stories, usually leav...
retcon2 is continuity) while completely changing their interpretation. E.g., revealing that a whole season of "Dallas" was a dream was a retcon. 2. vt. To write such a story about a character or fictitious object. "Byrne has retconned Sup...
retcon3 is unbreakable." "Marvelman's old adventures were retconned into synthetic dreams." "Swamp Thing was retconned from a transformed person into a sentient vegetable." [This is included because it is a good example of hackish linguisti...
retcon4 is to computers. The word `retcon' will probably spread through comics fandom and lose its association with hackerdom within a couple of years; for the record, it started here. --- ESR]
RETI is v. Syn. {RTI}
retrocomputing is /ret'-roh-k*m-pyoo'ting/ n. Refers to emulations of way-behind-the-state-of-the-art hardware or software, or implementations of never-was-state-of-the-art; esp. if such implementations are elaborate practical jokes and/or par...
retrocomputing2 is the most widely distributed retrocomputing utility was the `pnch(6)' or `bcd(6)' program on V7 and other early UNIX versions, which would accept up to 80 characters of text argument and display the corresponding pattern in...
retrocomputing3 is retrocomputing hacks have included the programming language {INTERCAL}, a {JCL}-emulating shell for UNIX, the card-punch-emulating editor named 029, and various elaborate PDP-11 hardware emulators and RT-11 OS emulators wr...
RFC is /R-F-C/ [Request For Comment] n. One of a long-established series of numbered Internet standards widely followed by commercial and PD software in the Internet and UNIX communities. Perhaps the single most influential one has been RFC-8...
RFC2 is RFCs are unusual in that they are floated by technical experts acting on their own initiative and reviewed by the Internet at large, rather than formally promulgated through an institution such as ANSI. For this reason, they remain ...
RFE is /R-F-E/ n. 1. [techspeak] Request For Enhancement. 2. [from `Radio Free Europe', Bellcore and Sun] Radio Free Ethernet, a system (originated by Peter Langston) for broadcasting audio among Sun SPARCstations over the ethernet.
rib site is [by analogy with {backbone site}] n. A machine that has an on-demand high-speed link to a {backbone site} and serves as a regional distribution point for lots of third-party traffic in email and USENET news. Compare {leaf site}, {...
rice box is [from ham radio slang] n. Any Asian-made commodity computer, esp. an 80x86-based machine built to IBM PC-compatible ISA or EISA-bus standards.
Right Thing is n. That which is {compellingly} the correct or appropriate thing to use, do, say, etc. Often capitalized, always emphasized in speech as though capitalized. Use of this term often implies that in fact reasonable people may dis...
Right Thing2 is do when it sees `(mod a 0)'? Should it return `a', or give a divide-by-0 error?" Oppose {Wrong Thing}.
RL is // [MUD community] n. Real Life. "Firiss laughs in RL" means that Firiss's player is laughing. Oppose {VR}.
roach is [Bell Labs] vt. To destroy, esp. of a data structure. Hardware gets {toast}ed or {fried}, software gets roached.
robust is adj. Said of a system that has demonstrated an ability to recover gracefully from the whole range of exceptional inputs and situations in a given environment. One step below {bulletproof}. Carries the additional connotation of elega...
robust2 is detail. Compare {smart}, oppose {brittle}.
rococo is adj. {Baroque} in the extreme. Used to imply that a program has become so encrusted with the software equivalent of gold leaf and curlicues that they have completely swamped the underlying design. Called after the later and more ex...
rococo2 is decoration prevalent during the mid-1700s in Europe. Fred Brooks (the man who coined {second-system effect}) said "Every program eventually becomes rococo, and then rubble."
rogue is [UNIX] n. A Dungeons-and-Dragons-like game using character graphics, written under BSD UNIX and subsequently ported to other UNIX systems. The original BSD `curses(3)' screen-handling package was hacked together by Ken Arnold to supp...
rogue2 is UNIX's most important and heavily used application libraries. Nethack, Omega, Larn, and an entire subgenre of computer dungeon games all took off from the inspiration provided by `rogue(6)'. See {nethack}.
room-temperature IQ is [IBM] quant. 80 or below. Used in describing the expected intelligence range of the {luser}. "Well, but how's this interface going to play with the room-temperature IQ crowd?" See {drool-proof paper}. This is a much ...
root is [UNIX] n. 1. The {superuser} account that ignores permission bits, user number 0 on a UNIX system. This account has the user name `root'. The term {avatar} is also used. 2. The top node of the system directory structure (home directo...
root2 is privileged system-maintenance login on any OS. See {root mode}, {go root}.
root mode is n. Syn. with {wizard mode} or `wheel mode'. Like these, it is often generalized to describe privileged states in systems other than OSes.
rot13 is /rot ther'teen/ [USENET from `rotate alphabet 13 places'] n., v. The simple Caesar-cypher encryption that replaces each English letter with the one 13 places forward or back along the alphabet, so that "The butler did it!" becomes "Gu...
rot132 is and posting programs include a rot13 feature. It is used to enclose the text in a sealed wrapper that the reader must choose to open --- e.g., for posting things that might offend some readers, or answers to puzzles. A major adva...
rot133 is it is self-inverse, so the same code can be used for encoding and decoding.
rotary debugger is [Commodore] n. Essential equipment for those late-night or early-morning debugging sessions. Mainly used as sustenance for the hacker. Comes in many decorator colors, such as Sausage, Pepperoni, and Garbage. See {pizza, A...
RSN is // adj. See {Real Soon Now}.
RTFAQ is /R-T-F-A-Q/ [USENET primarily written, by analogy with {RTFM}] imp. Abbrev. for `Read the FAQ!', an exhortation that the person addressed ought to read the newsgroup's {FAQ list} before posting questions.
RTFM is /R-T-F-M/ [UNIX] imp. Acronym for `Read The Fucking Manual'. 1. Used by {guru}s to brush off questions they consider trivial or annoying. Compare {Don't do that, then!} 2. Used when reporting a problem to indicate that you aren't jus...
RTFM2 is figure out how to interface UNIX to my toaster, and yes, I have RTFM." Unlike sense 1, this use is considered polite. See also {RTFAQ}, {RTM}. The variant RTFS, where S = `Standard', has also been reported. Compare {UTSL}.
RTI is /R-T-I/ interj. The mnemonic for the `return from interrupt' instruction on many computers including the 6502 and 6800. The variant `RETI' is found among former Z80 hackers (almost nobody programs these things in assembler anymore). E...
RTI2 is end a conversational digression. See {pop}; see also {POPJ}.
RTM is /R-T-M/ [USENET acronym for `Read The Manual'] 1. Politer variant of {RTFM}. 2. Robert T. Morris, perpetrator of the great Internet worm of 1988; villain to many, na"ive hacker gone wrong to a few. Morris claimed that the worm that br...
RTM2 is experiment that got out of control as the result of a coding error. After the storm of negative publicity that followed this blunder, Morris's name on ITS was hacked from RTM to {RTFM}.
rude is [WPI] adj. 1. (of a program) Badly written. 2. Functionally poor, e.g., a program that is very difficult to use because of gratuitously poor (random?) design decisions. See {cuspy}.
runes is pl.n. 1. Anything that requires {heavy wizardry} or {black art} to {parse} core dumps, JCL commands, APL, or code in a language you haven't a clue how to read. Compare {casting the runes}, {Great Runes}. 2. Special display character...
runic is adj. Syn. {obscure}. VMS fans sometimes refer to UNIX as `Runix'; UNIX fans return the compliment by expanding VMS to `Very Messy Syntax' or `Vachement Mauvais Syst`eme' (French; lit. "Cowlike Bad System", idiomatically "Bitchy Bad S...
rusty iron is n. Syn. {tired iron}. It has been claimed that this is the inevitable fate of {water MIPS}.
rusty memory is n. Mass-storage that uses iron-oxide-based magnetic media (esp. tape and the pre-Winchester removable disk packs used in {washing machine}s). Compare {donuts}.*S/N ratio // n. (also `s/n ratio', `sn ratio'). Syn. {signal-to-n...
sacred is adj. Reserved for the exclusive use of something (an extension of the standard meaning). Often means that anyone may look at the sacred object, but clobbering it will screw whatever it is sacred to. The comment "Register 7 is sacre...
factpacks/jargon-split.fact view on Meta::CPAN
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 ...
tune2 is memory use), or `tune for configuration (most efficient use of hardware). See {bum}, {hot spot}, {hand-hacking}.
turbo nerd is n. See {computer geek}.
turist is /toorist/ n. Var. sp. of {tourist}, q.v. Also in adjectival form, `turistic. Poss. influenced by {luser} and `Turing.
tweak is vt. 1. To change slightly, usually in reference to a value. Also used synonymously with {twiddle}. If a program is almost correct, rather than figure out the precise problem you might just keep tweaking it until it works. See {frobn...
tweak2 is debugging}. 2. To {tune} or {bum} a program; preferred usage in the U.K.
TWENEX is /tweneks/ n. The TOPS-20 operating system by DEC --- the second proprietary OS for the PDP-10 --- preferred by most PDP-10 hackers over TOPS-10 (that is, by those who were not {{ITS}} or {{WAITS}} partisans). TOPS-20 began in 1969 a...
TWENEX2 is system using special paging hardware. By the early 1970s, almost all of the systems on the ARPANET ran TENEX. DEC purchased the rights to TENEX from BBN and began work to make it their own. The first in-house code name for the ...
TWENEX3 is Operating System); when customers started asking questions, the name was changed to SNARK so DEC could truthfully deny that there was any project called VIROS. When the name SNARK became known, the name was briefly reversed to be...
TWENEX4 is it was discovered that `krans meant `funeral shroud in Swedish. Ultimately DEC picked TOPS-20 as the name of the operating system, and it was as TOPS-20 that it was marketed. The hacker community, mindful of its origins, quickly d...
TWENEX5 is TENEX), even though by this point very little of the original TENEX code remained (analogously to the differences between AT&T V6 UNIX and BSD). DEC people cringed when they heard "TWENEX", but the term caught on nevertheless (th...
TWENEX6 is TWENEX was successful and very popular; in fact, there was a period in the early 1980s when it commanded as fervent a culture of partisans as UNIX or ITS --- but DECs decision to scrap all the internal rivals to the VAX architecture...
TWENEX7 is DEC-20 and put a sad end to TWENEXs brief day in the sun. DEC attempted to convince TOPS-20 hackers to convert to {VMS}, but instead, by the late 1980s, most of the TOPS-20 hackers had migrated to UNIX.
twiddle is n. 1. Tilde (ASCII 1111110, `~). Also called `squiggle, `sqiggle (sic --- pronounced /skigl/), and `twaddle, but twiddle is the most common term. 2. A small and insignificant change to a program. Usually fixes one bug and gener...
twiddle2 is something in a small way. Bits, for example, are often twiddled. Twiddling a switch or knob implies much less sense of purpose than toggling or tweaking it; see {frobnicate}. To speak of twiddling a bit connotes aimlessness, a...
twiddle3 is the bit; `toggling a bit has a more specific meaning (see {bit twiddling}, {toggle}).
twink is /twink/ [UCSC] n. Equivalent to {read-only user}. Also reported on the USENET group soc.motss; may derive from gay slang for a cute young thing with nothing upstairs.
two pi is quant. The number of years it takes to finish ones thesis. Occurs in stories in the following form "He started on his thesis; 2 pi years later..."
two-to-the-N is quant. An amount much larger than {N} but smaller than {infinity}. "I have 2-to-the-N things to do before I can go out for lunch" means you probably wont show up.
twonkie is /twonkee/ n. The software equivalent of a Twinkie (a variety of sugar-loaded junk food, or (in gay slang) the male equivalent of `chick); a useless `feature added to look sexy and placate a {marketroid} (compare {Saturday-night sp...
twonkie2 is Twonky", title menace of a classic SF short story by Lewis Padgett (Henry Kuttner and C. L. Moore), first published in the September 1942 `Astounding Science Fiction and subsequently much anthologized.*UBD /U-B-D/ [abbreviation f...
twonkie3 is to close out trouble reports obviously due to utter cluelessness on the user's part. Compare {pilot error}; oppose {PBD}; see also {brain-damaged}.
UN*X is n. Used to refer to the UNIX operating system (a trademark of AT&T) in writing, but avoiding the need for the ugly {(TM)} typography. Also used to refer to any or all varieties of Unixoid operating systems. Ironically, lawyers now s...
UN*X2 is TM-postfix has no legal force, but the asterisk usage is entrenched anyhow. It has been suggested that there may be a psychological connection to practice in certain religions (especially Judaism) in which the name of the deity is ne...
UN*X3 is `G--d' is used. See also {glob}.
undefined external reference is excl. [UNIX] A message from UNIX's linker. Used in speech to flag loose ends or dangling references in an argument or discussion.
under the hood is prep. [hot-rodder talk] 1. Used to introduce the underlying implementation of a product (hardware, software, or idea). Implies that the implementation is not intuitively obvious from the appearance, but the speaker is about ...
under the hood2 is now look under the hood to see how ...." 2. Can also imply that the implementation is much simpler than the appearance would indicate "Under the hood, we are just fork/execing the shell." 3. Inside a chassis, as in "Under...
undocumented feature is n. See {feature}.
uninteresting is adj. 1. Said of a problem that, although {nontrivial}, can be solved simply by throwing sufficient resources at it. 2. Also said of problems for which a solution would neither advance the state of the art nor be fun to design...
uninteresting2 is problems as intolerable wastes of time, to be solved (if at all) by lesser mortals. *Real* hackers (see {toolsmith}) generalize uninteresting problems enough to make them interesting and solve them --- thus solving the ori...
uninteresting3 is {SMOP}; compare {toy problem}, oppose {interesting}.
UNIX is /yoo'niks/ [In the authors' words, "A weak pun on Multics"] n. (also `Unix') An interactive time-sharing system originally invented in 1969 by Ken Thompson after Bell Labs left the Multics project, originally so he could play games on ...
UNIX2 is inventor of C, is considered a co-author of the system. The turning point in UNIX's history came when it was reimplemented almost entirely in C during 1972--1974, making it the first source-portable OS. UNIX subsequently underwent...
UNIX3 is many different people, resulting in a uniquely flexible and developer-friendly environment. In 1991, UNIX is the most widely used multiuser general-purpose operating system in the world. Many people consider this the most important ...
UNIX4 is opposition (but see {UNIX weenie} and {UNIX conspiracy} for an opposing point of view). See {Version 7}, {BSD}, {USG UNIX}.
UNIX brain damage is n. Something that has to be done to break a network program (typically a mailer) on a non-UNIX system so that it will interoperate with UNIX systems. The hack may qualify as `UNIX brain damage' if the program conforms to...
UNIX brain damage2 is question does not. UNIX brain damage happens because it is much easier for other (minority) systems to change their ways to match non-conforming behavior than it is to change all the hundreds of thousands of UNIX systems...
UNIX brain damage3 is is a {kluge} in a mail server to recognize bare line feed (the UNIX newline) as an equivalent form to the Internet standard newline, which is a carriage return followed by a line feed. Such things can make even a harden...
UNIX conspiracy is [ITS] n. According to a conspiracy theory long popular among {{ITS}} and {{TOPS-20}} fans, UNIX's growth is the result of a plot, hatched during the 1970s at Bell Labs, whose intent was to hobble AT&T's competitors by making...
UNIX conspiracy2 is evolution was to be under AT&T's control. This would be accomplished by disseminating an operating system that is apparently inexpensive and easily portable, but also relatively unreliable and insecure (so as to require co...
UNIX conspiracy3 is was lent a substantial impetus in 1984 by the paper referenced in the {back door} entry. In this view, UNIX was designed to be one of the first computer viruses (see {virus}) --- but a virus spread to computers indirectly ...
UNIX conspiracy4 is directly through disks and networks. Adherents of this `UNIX virus' theory like to cite the fact that the well-known quotation "UNIX is snake oil" was uttered by DEC president Kenneth Olsen shortly before DEC began activ...
UNIX conspiracy5 is workstations. (Olsen now claims to have been misquoted.)
UNIX weenie is [ITS] n. 1. A derogatory play on `UNIX wizard', common among hackers who use UNIX by necessity but would prefer alternatives. The implication is that although the person in question may consider mastery of UNIX arcana to be a w...
UNIX weenie2 is is the ability to tolerate (and the bad taste to wallow in) the incoherence and needless complexity that is alleged to infest many UNIX programs. "This shell script tries to parse its arguments in 69 bletcherous ways. It must...
UNIX weenie3 is 2. A derogatory term for anyone who engages in uncritical praise of UNIX. Often appearing in the context "stupid UNIX weenie". See {Weenix}, {UNIX conspiracy}. See also {weenie}.
unixism is n. A piece of code or a coding technique that depends on the protected multi-tasking environment with relatively low process-spawn overhead that exists on virtual-memory UNIX systems. Common {unixism}s include gratuitous use of `for...
unixism2 is undocumented but well-known features of UNIX libraries such as `stdio(3)' are supported elsewhere; reliance on {obscure} side-effects of system calls (use of `sleep(2)' with a 0 argument to clue the scheduler that you're willing ...
unixism3 is assumption that freshly allocated memory is zeroed; and the assumption that fragmentation problems won't arise from never `free()'ing memory. Compare {vaxocentrism}; see also {New Jersey}.
unswizzle is v. See {swizzle}.
unwind the stack is vi. 1. [techspeak] During the execution of a procedural language, one is said to `unwind the stack' from a called procedure up to a caller when one discards the stack frame and any number of frames above it, popping back up...
unwind the stack2 is this is done with `longjmp'/`setjmp', in LISP with `throw/catch'. See also {smash the stack}. 2. People can unwind the stack as well, by quickly dealing with a bunch of problems "Oh heck, let's do lunch. Just a second ...
unwind-protect is [MIT from the name of a LISP operator] n. A task you must remember to perform before you leave a place or finish a project. "I have an unwind-protect to call my advisor."
up is adj. 1. Working, in order. "The down escalator is up." Oppose {down}. 2. `bring up' vt. To create a working version and start it. "They brought up a down system." 3. `come up' vi. To become ready for production use.
upload is /uhp'lohd/ v. 1. [techspeak] To transfer programs or data over a digital communications link from a smaller or peripheral `client' system to a larger or central `host' one. A transfer in the other direction is, of course, called a {...
upload2 is ground-to-space comm under that entry). 2. [speculatively] To move the essential patterns and algorithms that make up one's mind from one's brain into a computer. Only those who are convinced that such patterns and algorithms captu...
upload3 is prospect with gusto.
upthread is adv. Earlier in the discussion (see {thread}), i.e., `above'. "As Joe pointed out upthread, ..." See also {followup}.
urchin is n. See {munchkin}.
USENET is /yoos'net/ or /yooz'net/ [from `Users' Network'] n. A distributed {bboard} (bulletin board) system supported mainly by UNIX machines. Originally implemented in 1979-1980 by Steve Bellovin, Jim Ellis, Tom Truscott, and Steve Daniel a...
USENET2 is become international in scope and is now probably the largest decentralized information utility in existence. As of early 1991, it hosts well over 700 {newsgroup}s and an average of 16 megabytes (the equivalent of several thousan...
USENET3 is discussion, chatter, and {flamage} every day.
user is n. 1. Someone doing `real work' with the computer, using it as a means rather than an end. Someone who pays to use a computer. See {real user}. 2. A programmer who will believe anything you tell him. One who asks silly questions. ...
user2 is is true that users ask questions (of necessity). Sometimes they are thoughtful or deep. Very often they are annoying or downright stupid, apparently because the user failed to think for two seconds or look in the documentation befo...
user3 is 3. Someone who uses a program from the outside, however skillfully, without getting into the internals of the program. One who reports bugs instead of just going ahead and fixing them. The general theory behind this term is that ther...
user4 is program there are implementors (hackers) and {luser}s. The users are looked down on by hackers to a mild degree because they don't understand the full ramifications of the system in all its glory. (The few users who do are known as ...
user5 is a skilled hacker may be a user with respect to some program he himself does not hack. A LISP hacker might be one who maintains LISP or one who uses LISP (but with the skill of a hacker). A LISP user is one who uses LISP, whether s...
user6 is between the two terms; the subtle distinctions must be resolved by context.
user-friendly is adj. Programmer-hostile. Generally used by hackers in a critical tone, to describe systems that hold the user's hand so obsessively that they make it painful for the more experienced and knowledgeable to get any work done. S...
user-friendly2 is {Macintrash}, {user-obsequious}.
user-obsequious is adj. Emphatic form of {user-friendly}. Connotes a system so verbose, inflexible, and determinedly simple-minded that it is nearly unusable. "Design a system any fool can use and only a fool will want to use it." See {WIMP...
USG UNIX is /U-S-G yoo'niks/ n. Refers to AT&T UNIX commercial versions after {Version 7}, especially System III and System V releases 1, 2, and 3. So called because during most of the life-span of those versions AT&T's support crew was calle...
UTSL is // [UNIX] n. On-line acronym for `Use the Source, Luke' (a pun on Obi-Wan Kenobi's "Use the Force, Luke!" in `Star Wars') --- analogous to {RTFM} but more polite. This is a common way of suggesting that someone would be best off readi...
UTSL2 is feature is causing confusion, rather than making yet another futile pass through the manuals or broadcasting questions that haven't attracted {wizard}s to answer them. In theory, this is appropriately directed only at associates of...
UTSL3 is practice, bootlegs of UNIX source code (made precisely for reference purposes) are so ubiquitous that one may utter this at almost anyone on {the network} without concern. In the near future (this written in 1991) source licenses m...
UTSL4 is recent release of the Mach 3.0 microkernal, given the continuing efforts of the {GNU} project, and with the 4.4BSD release on the horizon, complete free source code for UNIX-clone toolsets and kernels should soon be widely available.
UUCPNET is n. The store-and-forward network consisting of all the world's connected UNIX machines (and others running some clone of the UUCP (UNIX-to-UNIX CoPy) software). Any machine reachable only via a {bang path} is on UUCPNET. See {netw...
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)...
factpacks/jargon-split.fact view on Meta::CPAN
wiggles is n. [scientific computation] In solving partial differential equations by finite difference and similar methods, wiggles are sawtooth (up-down-up-down) oscillations at the shortest wavelength representable on the grid. If an algorit...
wiggles2 is unstable waveform, so it grows to dominate the solution. Alternatively, stable (though inaccurate) wiggles can be generated near a discontinuity by a Gibbs phenomenon.
WIMP environment is n. [acronymic from `Window, Icon, Menu, Pointing device (or Pull-down menu)'] A graphical-user-interface-based environment such as {X} or the Macintosh interface, as described by a hacker who prefers command-line interfaces...
WIMP environment2 is extensibility. See {menuitis}, {user-obsequious}.
win is [MIT] 1. vi. To succeed. A program wins if no unexpected conditions arise, or (especially) if it sufficiently {robust} to take exceptions in stride. 2. n. Success, or a specific instance thereof. A pleasing outcome. A {feature}. Em...
win2 is `hyper-win' (often used interjectively as a reply). For some reason `suitable win' is also common at MIT, usually in reference to a satisfactory solution to a problem. Oppose {lose}; see also {big win}, which isn't quite just an in...
win big is vi. To experience serendipity. "I went shopping and won big; there was a 2-for-1 sale." See {big win}.
win win is interj. Expresses pleasure at a {win}.
Winchester is n. Informal generic term for `floating-head' magnetic-disk drives in which the read-write head planes over the disk surface on an air cushion. The name arose because the original 1973 engineering prototype for what later became ...
Winchester2 is volumes; 30--30 became `Winchester' when somebody noticed the similarity to the common term for a famous Winchester rifle (in the latter, the first 30 referred to caliber and the second to the grain weight of the charge).
winged comments is n. Comments set on the same line as code, as opposed to {boxed comments}. In C, for example d = sqrt(x*x + y*y); /* distance from origin */ Generally these refer only to the action(s) taken on that line.
winkey is n. (alt. `winkey face') See {emoticon}.
winnage is /win'*j/ n. The situation when a lossage is corrected, or when something is winning.
winner is 1. n. An unexpectedly good situation, program, programmer, or person. "So it turned out I could use a {lexer} generator instead of hand-coding my own pattern recognizer. What a win!" 2. `real winner' Often sarcastic, but also used ...
winner2 is {user}). "He's a real winner --- never reports a bug till he can duplicate it and send in an example."
winnitude is /win'*-t[y]ood/ n. The quality of winning (as opposed to {winnage}, which is the result of winning). "Guess what? They tweaked the microcode and now the LISP interpreter runs twice as fast as it used to." "That's really great! B...
winnitude2 is a half-hour's winnage on the next run of my program." Perhaps curiously, the obvious antonym `lossitude' is rare.
wired is n. See {hardwired}.
wirehead is /wir'hed/ n. [prob. from SF slang for an electrical-brain-stimulation addict] 1. A hardware hacker, especially one who concentrates on communications hardware. 2. An expert in local-area networks. A wirehead can be a network so...
wirehead2 is ability to deal with network hardware, down to the smallest component. Wireheads are known for their ability to lash up an Ethernet terminator from spare resistors, for example.
wish list is n. A list of desired features or bug fixes that probably won't get done for a long time, usually because the person responsible for the code is too busy or can't think of a clean way to do it. "OK, I'll add automatic filename com...
wish list2 is interface." Compare {tick-list features}.
within delta of is adj. See {delta}.
within epsilon of is adj. See {epsilon}.
wizard is n. 1. A person who knows how a complex piece of software or hardware works (that is, who {grok}s it); esp. someone who can find and fix bugs quickly in an emergency. Someone is a {hacker} if he or she has general hacking ability, bu...
wizard2 is if he or she has specific detailed knowledge of that thing. A good hacker could become a wizard for something given the time to study it. 2. A person who is permitted to do things forbidden to ordinary people; one who has {wheel} ...
wizard3 is esp. a UNIX systems programmer. This usage is well enough established that `UNIX Wizard' is a recognized job title at some corporations and to most headhunters. See {guru}, {lord high fixer}. See also {deep magic}, {heavy wizar...
wizard4 is dance}, {voodoo programming}, {wave a dead chicken}.
Wizard Book is n. Hal Abelson and Jerry Sussman's `Structure and Interpretation of Computer Programs' (MIT Press, 1984; ISBN 0-262-01077-1, an excellent computer science text used in introductory courses at MIT. So called because of the wizar...
Wizard Book2 is LISP/Scheme world.
wizard mode is [from {rogue}] n. A special access mode of a program or system, usually passworded, that permits some users godlike privileges. Generally not used for operating systems themselves (`root mode' or `wheel mode' would be used inst...
wizardly is adj. Pertaining to wizards. A wizardly {feature} is one that only a wizard could understand or use properly.
womb box is n. 1. [TMRC] Storage space for equipment. 2. [proposed] A variety of hard-shell equipment case with heavy interior padding and/or shaped carrier cutouts in a foam-rubber matrix; mundanely called a `flight case'. Used for delicate...
WOMBAT is [Waste Of Money, Brains, And Time] adj. Applied to problems which are both profoundly {uninteresting} in themselves and unlikely to benefit anyone interesting even if solved. Often used in fanciful constructions such as `wrestling w...
WOMBAT2 is {SMOP}. Also note the rather different usage as a meta-syntactic variable in {{Commonwealth Hackish}}.
wonky is /wong'kee/ [from Australian slang] adj. Yet another approximate synonym for {broken}. Specifically connotes a malfunction that produces behavior seen as crazy, humorous, or amusingly perverse. "That was the day the printer's font lo...
wonky2 is out in Tengwar." Also in `wonked out'. See {funky}, {demented}, {bozotic}.
workaround is n. A temporary {kluge} inserted in a system under development or test in order to avoid the effects of a {bug} or {misfeature} so that work can continue. Theoretically, workarounds are always replaced by {fix}es; in practice, ...
workaround2 is workarounds in the first couple of releases. "The code died on NUL characters in the input, so I fixed it to interpret them as spaces." "That's not a fix, that's a workaround!"
working as designed is [IBM] adj. 1. In conformance to a wrong or inappropriate specification; useful, but misdesigned. 2. Frequently used as a sardonic comment on a program's utility. 3. Unfortunately also used as a bogus reason for not accep...
working as designed2 is this sense is used in official documents! See {BAD}.
worm is [from `tapeworm' in John Brunner's novel `The Shockwave Rider', via XEROX PARC] n. A program that propagates itself over a network, reproducing itself as it goes. Compare {virus}. Nowadays the term has negative connotations, as it is...
worm2 is Perhaps the best-known example was Robert T. Morris's `Internet Worm' of 1988, a `benign' one that got out of control and hogged hundreds of Suns and VAXen across the U.S. See also {cracker}, {RTM}, {Trojan horse}, {ice}.
wound around the axle is adj. In an infinite loop. Often used by older computer types.
wrap around is vi. (also n. `wraparound' and v. shorthand `wrap') 1. [techspeak] The action of a counter that starts over at zero or at `minus infinity' (see {infinity}) after its maximum value has been reached, and continues incrementing, eit...
wrap around2 is because of an overflow (as when a car's odometer starts over at 0). 2. To change {phase} gradually and continuously by maintaining a steady wake-sleep cycle somewhat longer than 24 hours, e.g., living six long (28-hour) days i...
wrap around3 is rate of 10 microhertz).
write-only code is [a play on `read-only memory'] n. Code so arcane, complex, or ill-structured that it cannot be modified or even comprehended by anyone but its author, and possibly not even by him/her. A {Bad Thing}.
write-only language is n. A language with syntax (or semantics) sufficiently dense and bizarre that any routine of significant size is {write-only code}. A sobriquet applied occasionally to C and often to APL, though {INTERCAL} and {TECO} cer...
write-only memory is n. The obvious antonym to `read-only memory'. Out of frustration with the long and seemingly useless chain of approvals required of component specifications, during which no actual checking seemed to occur, an engineer at...
write-only memory2 is a write-only memory and included it with a bunch of other specifications to be approved. This inclusion came to the attention of Signetics {management} only when regular customers started calling and asking for pricing ...
write-only memory3 is edition of the data book and requested the return of the `erroneous' ones. Later, around 1974, Signetics bought a double-page spread in `Electronics' magazine's April issue and used the spec as an April Fools' Day joke...
write-only memory4 is characteristic curves, the 25120 "fully encoded, 9046 x N, Random Access, write-only-memory" data sheet included diagrams of "bit capacity vs. Temp.", "Iff vs. Vff", "Number of pins remaining vs. number of socket insert...
write-only memory5 is required a 6.3 VAC VFF supply, a +10V VCC, and VDD of 0V, +/- 2%.
Wrong Thing is n. A design, action, or decision that is clearly incorrect or inappropriate. Often capitalized; always emphasized in speech as if capitalized. The opposite of the {Right Thing}; more generally, anything that is not the Right T...
Wrong Thing2 is of the best', the merely good --- although good --- is nevertheless the Wrong Thing. "In C, the default is for module-level declarations to be visible everywhere, rather than just within the module. This is clearly the Wrong T...
wugga wugga is /wuh'g* wuh'g*/ n. Imaginary sound that a computer program makes as it labors with a tedious or difficult task. Compare {cruncha cruncha cruncha}, {grind} (sense 4).
WYSIWYG is /wiz'ee-wig/ adj. Describes a user interface under which "What You See Is What You Get", as opposed to one that uses more-or-less obscure commands which do not result in immediate visual feedback. The term can be mildly derogatory,...
WYSIWYG2 is {user-friendly} interfaces targeted at non-programmers; a hacker has no fear of obscure commands. On the other hand, EMACS was one of the very first WYSIWYG editors, replacing (actually, at first overlaying) the extremely obscure, ...
WYSIWYG3 is environment}. [Oddly enough, this term has already made it into the OED. --- ESR]*X /X/ n. 1. Used in various speech and writing contexts (also in lowercase) in roughly its algebraic sense of `unknown within a set defined by conte...
WYSIWYG4 is 680x0 stands for 68000, 68010, 68020, 68030, or 68040, and 80x86 stands for 80186, 80286 80386 or 80486 (note that a UNIX hacker might write these as 680[0-4]0 and 80[1-4]86 or 680?0 and 80?86 respectively; see {glob}). 2. [after ...
WYSIWYG5 is `W'] An over-sized, over-featured, over-engineered and incredibly over-complicated window system developed at MIT and widely used on UNIX systems.
XOFF is /X'of/ n. Syn. {control-s}.
xor is /X'or/, /kzor/ conj. Exclusive or. `A xor B' means `A or B, but not both'. "I want to get cherry pie xor a banana split." This derives from the technical use of the term as a function on truth-values that is true if exactly one of it...
xref is /X'ref/ vt., n. Hackish standard abbreviation for `cross-reference'.
XXX is /X-X-X/ n. A marker that attention is needed. Commonly used in program comments to indicate areas that are kluged up or need to be. Some hackers liken `XXX' to the notional heavy-porn movie rating.
xyzzy is /X-Y-Z-Z-Y/, /X-Y-ziz'ee/, /ziz'ee/, or /ik-ziz'ee/ [from the ADVENT game] adj. The {canonical} `magic word'. This comes from {ADVENT}, in which the idea is to explore an underground cave with many rooms and to collect the treasures ...
xyzzy2 is appropriate time, you can move instantly between two otherwise distant points. If, therefore, you encounter some bit of {magic}, you might remark on this quite succinctly by saying simply "Xyzzy!" "Ordinarily you can't look at so...
xyzzy3 is if you type quadruple-bucky-clear the system will let you do it anyway." "Xyzzy!" Xyzzy has actually been implemented as an undocumented no-op command on several OSes; in Data General's AOS/VS, for example, it would typically res...
xyzzy4 is if the magic was invoked at the wrong spot or before a player had performed the action that enabled the word. See also {plugh}.
YA- is [Yet Another] abbrev. In hackish acronyms this almost invariably expands to {Yet Another}, following the precedent set by UNIX `yacc(1)'. See {YABA}.
YABA is /ya'b*/ [Cambridge] n. Yet Another Bloody Acronym. Whenever some program is being named, someone invariably suggests that it be given a name that is acronymic. The response from those with a trace of originality is to remark ironical...
YABA2 is `YABA-compatible'. Also used in response to questions like "What is WYSIWYG?" See also {TLA}.
YAUN is /yawn/ [Acronym for `Yet Another UNIX Nerd'] n. Reported from the San Diego Computer Society (predominantly a microcomputer users' group) as a good-natured punning insult aimed at UNIX zealots.
Yellow Book is [proposed] n. The print version of this Jargon File; `The New Hacker's Dictionary', forthcoming from MIT Press, 1991. Includes all the material in the File, plus a Foreword by Guy L. Steele and a Preface by Eric S. Raymond. M...
Yellow Book2 is typeset and includes almost all of the infamous Crunchly cartoons by the Great Quux, each attached to an appropriate entry.
Yet Another is adj. [From UNIX's `yacc(1)', `Yet Another Compiler- Compiler', a LALR parser generator] 1. Of your own work A humorous allusion often used in titles to acknowledge that the topic is not original, though the content is. As in `...
Yet Another2 is Simulated Annealing Algorithm'. 2. Of others' work Describes something of which there are far too many. See also {YA-}, {YABA}, {YAUN}.
You are not expected to understand this is cav. [UNIX] The canonical comment describing something {magic} or too complicated to bother explaining properly. From an infamous comment in the context-switching code of the V6 UNIX kernel.
You know you've been hacking too long when... is The set-up line for a genre of one-liners told by hackers about themselves. These include the following * not only do you check your email more often than your paper mail, but you remember ...
You know you've been hacking too long when...2 is postal one. * your {SO} kisses you on the neck and the first thing you think is "Uh, oh, {priority interrupt}." * you go to balance your checkbook and discover that you're doing it in oct...
You know you've been hacking too long when...3 is value than your car. * in your universe, `round numbers' are powers of 2, not 10. * more than once, you have woken up recalling a dream in some programming language. * you realize you have ...
You know you've been hacking too long when...4 is early version of this entry said "All but one of these have been reliably reported as hacker traits (some of them quite often). Even hackers may have trouble spotting the ringer." The ringer ...
You know you've been hacking too long when...5 is made up out of whole cloth. Although more respondents picked that one out as fiction than any of the others, I also received multiple independent reports of its actually happening. --- ESR]
Your mileage may vary is cav. [from the standard disclaimer attached to EPA mileage ratings by American car manufacturers] 1. A ritual warning often found in UNIX freeware distributions. Translates roughly as "Hey, I tried to write this porta...
Your mileage may vary2 is system?" 2. A qualifier more generally attached to advice. "I find that sending flowers works well, but your mileage may vary."
Yow! is /yow/ [from "Zippy the Pinhead" comix] interj. A favored hacker expression of humorous surprise or emphasis. "Yow! Check out what happens when you twiddle the foo option on this display hack!" Compare {gurfle}.
yoyo mode is n. The state in which the system is said to be when it rapidly alternates several times between being up and being down. Interestingly (and perhaps not by coincidence), many hardware vendors give out free yoyos at Usenix exhibits....
yoyo mode2 is SIGPLAN '88. Tourists staying at one of Atlanta's most respectable hotels were subsequently treated to the sight of 200 of the country's top computer scientists testing yo-yo algorithms in the lobby.
Yu-Shiang Whole Fish is /yoo-shyang hohl fish/ n. obs. The character gamma (extended SAIL ASCII 0001001), which with a loop in its tail looks like a little fish swimming down the page. The term is actually the name of a Chinese dish in which ...
Yu-Shiang Whole Fish2 is covered with Yu-Shiang (or Yu-Hsiang) sauce. Usage primarily by people on the MIT LISP Machine, which could display this character on the screen. Tends to elicit incredulity from people who hear about it second-hand....
zap is 1. n. Spiciness. 2. vt. To make food spicy. 3. vt. To make someone `suffer' by making his food spicy. (Most hackers love spicy food. Hot-and-sour soup is considered wimpy unless it makes you wipe your nose for the rest of the meal.)...
zap2 is correct; esp. used when the action is performed with a debugger or binary patching tool. Also implies surgical precision. "Zap the debug level to 6 and run it again." In the IBM mainframe world, binary patches are applied to programs...
zap3 is `superzap', whose file name is `IMASPZAP' (I M A SuPerZAP). 5. vt. To erase or reset. 6. To {fry} a chip with static electricity. "Uh oh --- I think that lightning strike may have zapped the disk controller."
zapped is adj. Spicy. This term is used to distinguish between food that is hot (in temperature) and food that is *spicy*-hot. For example, the Chinese appetizer Bon Bon Chicken is a kind of chicken salad that is cold but zapped; by contrast,...
zapped2 is zapped. See also {{oriental food}}, {laser chicken}. See {zap}, senses 1 and 2.
zen is vt. To figure out something by meditation or by a sudden flash of enlightenment. Originally applied to bugs, but occasionally applied to problems of life in general. "How'd you figure out the buffer allocation problem?" "Oh, I zenned...
zen2 is time-extended version of zenning a system. Compare {hack mode}. See also {guru}.
zero is vt. 1. To set to 0. Usually said of small pieces of data, such as bits or words (esp. in the construction `zero out'). 2. To erase; to discard all data from. Said of disks and directories, where `zeroing' need not involve actually w...
zero2 is zeroed. One may speak of something being `logically zeroed' rather than being `physically zeroed'. See {scribble}.
zero-content is adj. Syn. {content-free}.
zeroth is /zee'rohth/ adj. First. Among software designers, comes from C's and LISP's 0-based indexing of arrays. Hardware people also tend to start counting at 0 instead of 1; this is natural since, e.g., the 256 states of 8 bits correspond...
zeroth2 is the digital devices known as `counters' count in this way. Hackers and computer scientists often like to call the first chapter of a publication `chapter 0', especially if it is of an introductory nature (one of the classic instan...
zeroth3 is recent years this trait has also been observed among many pure mathematicians (who have an independent tradition of numbering from 0). Zero-based numbering tends to reduce {fencepost error}s, though it cannot eliminate them entir...
zigamorph is /zig'*-morf/ n. Hex FF (11111111) when used as a delimiter or {fence} character. Usage primarily at IBM shops.
zip is [primarily MS-DOS] vt. To create a compressed archive from a group of files using PKWare's PKZIP or a compatible archiver. Its use is spreading now that portable implementations of the algorithm have been written. Commonly used as fol...
zip2 is See {arc}, {tar and feather}.
zipperhead is [IBM] n. A person with a closed mind.
zombie is [UNIX] n. A process that has died but has not yet relinquished its process table slot (because the parent process hasn't executed a `wait(2)' for it yet). These can be seen in `ps(1)' listings occasionally. Compare {orphan}.
zorch is /zorch/ 1. [TMRC] v. To attack with an inverse heat sink. 2. [TMRC] v. To travel, with v approaching c [that is, with velocity approaching lightspeed --- ESR]. 3. [MIT] v. To propel something very quickly. "The new comm software is ...
zorch2 is the network." 4. [MIT] n. Influence. Brownie points. Good karma. The intangible and fuzzy currency in which favors are measured. "I'd rather not ask him for that just yet; I think I've used up my quota of zorch with him for th...
zorch3 is ability. "I think I'll {punt} that change for now; I've been up for 30 hours and I've run out of zorch."
Zork is /zork/ n. The second of the great early experiments in computer fantasy gaming; see {ADVENT}. Originally written on MIT-DM during the late 1970s, later distributed with BSD UNIX and commercialized as `The Zork Trilogy' by Infocom.
zorkmid is /zork'mid/ n. The canonical unit of currency in hacker-written games. This originated in {zork} but has spread to {nethack} and is referred to in several other games.= [^A-Za-z] (see {regexp}) =
'Snooze is /snooz/ [FidoNet] n. Fidonews, the weekly official on-line newsletter of FidoNet. As the editorial policy of Fidonews is "anything that arrives, we print", there are often large articles completely unrelated to FidoNet, which in tu...
(TM) is // [USENET] ASCII rendition of the trademark-superscript symbol appended to phrases that the author feels should be recorded for posterity, perhaps in future editions of this lexicon. Sometimes used ironically as a form of protest aga...
(TM)2 is algorithm patents and `look and feel' lawsuits. See also {UN*X}.
-oid is [from `android'] suff. 1. This suffix is used as in mainstream English to indicate a poor imitation, a counterfeit, or some otherwise slightly bogus resemblance. Hackers will happily use it with all sorts of non-Greco/Latin stem words...
-oid2 is mainstream English. For example, "He's a nerdoid" means that he superficially resembles a nerd but can't make the grade; a `modemoid' might be a 300-baud box (Real Modems run at 9600); a `computeroid' might be any {bitty box}. The ...
-oid3 is {chiclet keyboard}, but would have to be written; spoken, it would confuse the listener as to the speaker's city of origin. 2. There is a more specific sense of `oid' as an indicator for `resembling an android' which in the past ha...
-oid4 is hackers. It too has recently (in 1991) started to go mainstream (most notably in the term `trendoid' for victims of terminal hipness). This is probably traceable to the popularization of the term {droid} in "Star Wars" and its seque...
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