Amethyst
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barfulation is /bar`fyoo-lay'sh*n/ interj. Variation of {barf} used around the Stanford area. An exclamation, expressing disgust. On seeing some particularly bad code one might exclaim, "Barfulation! Who wrote this, Quux?"
barfulous is /bar'fyoo-l*s/ adj. (alt. `barfucious', /bar-fyoo-sh*s/) Said of something that would make anyone barf, if only for esthetic reasons.
baroque is adj. Feature-encrusted; complex; gaudy; verging on excessive. Said of hardware or (esp.) software designs, this has many of the connotations of {elephantine} or {monstrosity} but is less extreme and not pejorative in itself. "Meta...
baroque2 is variations to its letterform output. Now *that* is baroque!" See also {rococo}.
BartleMUD is /bar'tl-muhd/ n. Any of the MUDs derived from the original MUD game by Richard Bartle (see {MUD}). BartleMUDs are noted for their (usually slightly offbeat) humor, dry but friendly syntax, and lack of adjectives in object descrip...
BartleMUD2 is `brand172', for instance (see {brand brand brand}). Some MUDders intensely dislike Bartle and this term, and prefer to speak of `MUD-1'.
BASIC is n. A programming language, originally designed for Dartmouth's experimental timesharing system in the early 1960s, which has since become the leading cause of brain-damage in proto-hackers. This is another case (like {Pascal}) of t...
BASIC2 is deliberately designed as an educational toy gets taken too seriously. A novice can write short BASIC programs (on the order of 10--20 lines) very easily; writing anything longer is (a) very painful, and (b) encourages bad habits tha...
BASIC3 is hack in a real language. This wouldn't be so bad if historical accidents hadn't made BASIC so common on low-end micros. As it is, it ruins thousands of potential wizards a year.
batch is adj. 1. Non-interactive. Hackers use this somewhat more loosely than the traditional technical definitions justify; in particular, switches on a normally interactive program that prepare it to receive non-interactive command input ar...
batch2 is switches. A `batch file' is a series of instructions written to be handed to an interactive program running in batch mode. 2. Performance of dreary tasks all at one sitting. "I finally sat down in batch mode and wrote out checks fo...
batch3 is electricity back on next week..." 3. Accumulation of a number of small tasks that can be lumped together for greater efficiency. "I'm batching up those letters to send sometime" "I'm batching up bottles to take to the recycling ce...
bathtub curve is n. Common term for the curve (resembling an end-to-end section of one of those claw-footed antique bathtubs) that describes the expected failure rate of electronics with time initially high, dropping to near 0 for most of the ...
bathtub curve2 is `tires out'. See also {burn-in period}, {infant mortality}.
baud is /bawd/ [simplified from its technical meaning] n. Bits per second. Hence kilobaud or Kbaud, thousands of bits per second. The technical meaning is `level transitions per second'; this coincides with bps only for two-level modulation w...
baud2 is are aware of these nuances but blithely ignore them.
baud barf is /bawd barf/ n. The garbage one gets on the monitor when using a modem connection with some protocol setting (esp. line speed) incorrect, or when someone picks up a voice extension on the same line, or when really bad line noise di...
baud barf2 is completely {random}, by the way; hackers with a lot of serial-line experience can usually tell whether the device at the other end is expecting a higher or lower speed than the terminal is set to. *Really* experienced ones can...
baz is /baz/ [Stanford corruption of {bar}] n. 1. The third metasyntactic variable, after {foo} and {bar} and before {quux} (or, occasionally, `qux'; or local idiosyncracies like `rag', `zowie', etc.). "Suppose we have three functions FOO,BAR...
baz2 is BAZ...." 2. interj. A term of mild annoyance. In this usage the term is often drawn out for 2 or 3 seconds, producing an effect not unlike the bleating of a sheep; /baaaaaaz/. 3. Occasionally appended to {foo} to produce `foobaz'.
bboard is /bee'bord/ [contraction of `bulletin board'] n. 1. Any electronic bulletin board; esp. used of {BBS} systems running on personal micros, less frequently of a USENET {newsgroup} (in fact, use of the term for a newsgroup generally ma...
bboard2 is BBS world or as a real old-timer predating USENET). 2. At CMU and other colleges with similar facilities, refers to campus-wide electronic bulletin boards. 3. The term `physical bboard' is sometimes used to refer to a old-fashio...
bboard3 is it refers to a particular one outside the CS Lounge. In either of senses 1 or 2, the term is usually prefixed by the name of the intended board (`the Moonlight Casino bboard' or `market bboard'); however, if the context is clear, th...
bboard4 is name alone, as in (at CMU) "Don't post for-sale ads on general".
BBS is /B-B-S/ [acronym, `Bulletin Board System'] n. An electronic bulletin board system; that is, a message database where people can log in and leave broadcast messages for others grouped (typically) into {topic group}s. Thousands of local ...
BBS2 is U.S., typically run by amateurs for fun out of their homes on MS-DOS boxes with a single modem line each. Fans of USENET and Internet or the big commercial timesharing bboards such as CompuServe and GEnie tend to consider local BBSes ...
BBS3 is but they serve a valuable function by knitting together lots of hackers and users in the personal-micro world who would otherwise be unable to exchange code at all.
beam is [from Star Trek Classic's "Beam me up, Scotty!"] vt. To transfer {softcopy} of a file electronically; most often in combining forms such as `beam me a copy' or `beam that over to his site'. Compare {blast}, {snarf}, {BLT}.
beanie key is [Mac users] n. See {command key}.
beep is n.,v. Syn. {feep}. This term seems to be preferred among micro hobbyists.
beige toaster is n. A Macintosh. See {toaster}; compare {Macintrash}, {maggotbox}.
bells and whistles is [by analogy with the toyboxes on theater organs] n. Features added to a program or system to make it more {flavorful} from a hacker's point of view, without necessarily adding to its utility for its primary function. Dis...
bells and whistles2 is to attract users. "Now that we've got the basic program working, let's go back and add some bells and whistles." No one seems to know what distinguishes a bell from a whistle.
bells, whistles, and gongs is n. A standard elaborated form of {bells and whistles}; typically said with a pronounced and ironic accent on the `gongs'.
benchmark is [techspeak] n. An inaccurate measure of computer performance. "In the computer industry, there are three kinds of lies lies, damn lies, and benchmarks." Well-known ones include Whetstone, Dhrystone, Rhealstone (see {h}), the Gab...
benchmark2 is SPECmark suite, and LINPACK. See also {machoflops}, {MIPS}.
Berkeley Quality Software is adj. (often abbreviated `BQS') Term used in a pejorative sense to refer to software that was apparently created by rather spaced-out hackers late at night to solve some unique problem. It usually has nonexistent, ...
Berkeley Quality Software2 is been tested on at least two examples, and core dumps when anyone else attempts to use it. This term was frequently applied to early versions of the `dbx(1)' debugger. See also {Berzerkeley}.
berklix is /berk'liks/ n.,adj. [contraction of `Berkeley UNIX'] See {BSD}. Not used at Berkeley itself. May be more common among {suit}s attempting to sound like cognoscenti than among hackers, who usually just say `BSD'.
berserking is vi. A {MUD} term meaning to gain points *only* by killing other players and mobiles (non-player characters). Hence, a Berserker-Wizard is a player character that has achieved enough points to become a wizard, but only by killing ...
berserking2 is frowned upon because of its inherently antisocial nature, but some MUDs have a `berserker mode' in which a player becomes *permanently* berserk, can never flee from a fight, cannot use magic, gets no score for treasure, but do...
berserking3 is wizards can seriously damage your elf!"
Berzerkeley is /b*r-zer'klee/ [from `berserk', via the name of a now-deceased record label] n. Humorous distortion of `Berkeley' used esp. to refer to the practices or products of the {BSD} UNIX hackers. See {software bloat}, {Missed'em-five}...
Berzerkeley2 is use of this term in reference to the cultural and political peculiarities of UC Berkeley as a whole has been reported from as far back as the 1960s.
beta is /bay't*/, /be't*/ or (Commonwealth) /bee't*/ n. 1. In the {Real World}, software often goes through two stages of testing Alpha (in-house) and Beta (out-house?). Software is said to be `in beta'. 2. Anything that is new and experimen...
beta2 is means that he is still testing for compatibility and reserving judgment. 3. Beta software is notoriously buggy, so `in beta' connotes flakiness. Historical note More formally, to beta-test is to test a pre-release (potentially unre...
beta3 is making it available to selected customers and users. This term derives from early 1960s terminology for product cycle checkpoints, first used at IBM but later standard throughout the industry. `Alpha Test' was the unit, module, or co...
beta4 is system test. These themselves came from earlier A- and B-tests for hardware. The A-test was a feasibility and manufacturability evaluation done before any commitment to design and development. The B-test was a demonstration that th...
beta5 is The C-test (corresponding to today's beta) was the B-test performed on early samples of the production design.
BFI is /B-F-I/ n. See {brute force and ignorance}. Also encountered in the variant `BFMI', `brute force and *massive* ignorance'.
bible is n. 1. One of a small number of fundamental source books such as {Knuth} and {K&R}. 2. The most detailed and authoritative reference for a particular language, operating system, or other complex software system.
BiCapitalization is n. The act said to have been performed on trademarks (such as NeXT, {NeWS}, VisiCalc, FrameMaker, TK!solver, EasyWriter) that have been raised above the ruck of common coinage by nonstandard capitalization. Too many {mar...
BiCapitalization2 is really cute, even the 2,317th time they do it. Compare {studlycaps}.
BIFF is /bif/ [USENET] n. The most famous {pseudo}, and the prototypical {newbie}. Articles from BIFF are characterized by all uppercase letters sprinkled liberally with bangs, typos, `cute' misspellings (EVRY BUDY LUVS GOOD OLD BIFF CUZ HE"S...
BIFF2 is IN CAPITULL LETTRS LIKE THIS!!!), use (and often misuse) of fragments of {talk mode} abbreviations, a long {sig block} (sometimes even a {doubled sig}), and unbounded na"ivet'e. BIFF posts articles using his elder brother's VIC-20....
BIFF3 is appear to come from a variety of sites. However, {BITNET} seems to be the most frequent origin. The theory that BIFF is a denizen of BITNET is supported by BIFF's (unfortunately invalid) electronic mail address BIFF@BIT.NET.
biff is /bif/ vt. To notify someone of incoming mail. From the BSD utility `biff(1)', which was in turn named after the implementor's dog (it barked whenever the mailman came). No relation to {BIFF}.
Big Gray Wall is n. What faces a {VMS} user searching for documentation. A full VMS kit comes on a pallet, the documentation taking up around 15 feet of shelf space before the addition of layered products such as compilers, databases, multive...
Big Gray Wall2 is Recent (since VMS version 5) DEC documentation comes with gray binders; under VMS version 4 the binders were orange (`big orange wall'), and under version 3 they were blue. See {VMS}.
big iron is n. Large, expensive, ultra-fast computers. Used generally of {number-crunching} supercomputers such as Crays, but can include more conventional big commercial IBMish mainframes. Term of approval; compare {heavy metal}, oppose {di...
Big Red Switch is [IBM] n. The power switch on a computer, esp. the `Emergency Pull' switch on an IBM {mainframe} or the power switch on an IBM PC where it really is large and red. "This !@%$% {bitty box} is hung again; time to hit the Big Re...
Big Red Switch2 is tune with the company's passion for {TLA}s, this is often acronymized as `BRS' (this has also become established on FidoNet and in the PC {clone} world). It is alleged that the emergency pull switch on an IBM 360/91 actuall...
Big Red Switch3 is power feed; the BRSes on more recent machines physically drop a block into place so that they can't be pushed back in. People get fired for pulling them, especially inappropriately (see also {molly-guard}). Compare {powe...
the Big Room is n. The extremely large room with the blue ceiling and intensely bright light (during the day) or black ceiling with lots of tiny night-lights (during the night) found outside all computer installations. "He can't come to the p...
big win is n. Serendipity. "Yes, those two physicists discovered high-temperature superconductivity in a batch of ceramic that had been prepared incorrectly according to their experimental schedule. Small mistake; big win!" See {win big}.
big-endian is [From Swift's `Gulliver's Travels' via the famous paper `On Holy Wars and a Plea for Peace' by Danny Cohen, USC/ISI IEN 137, dated April 1, 1980] adj. 1. Describes a computer architecture in which, within a given multi-byte numer...
big-endian2 is has the lowest address (the word is stored `big-end-first'). Most processors, including the IBM 370 family, the {PDP-10}, the Motorola microprocessor families, and most of the various RISC designs current in mid-1991, are big...
big-endian3 is {NUXI problem}. 2. An {{Internet address}} the wrong way round. Most of the world follows the Internet standard and writes email addresses starting with the name of the computer and ending up with the name of the country. I...
big-endian4 is decided to do it the other way round before the Internet domain standard was established; e.g., me@uk.ac.wigan.cs. Most gateway sites have {ad-hockery} in their mailers to handle this, but can still be confused. In particular,...
big-endian5 is (domain uk) or Czechoslovakia (domain cs).
bignum is /big'nuhm/ [orig. from MIT MacLISP] n. 1. [techspeak] A multiple-precision computer representation for very large integers. More generally, any very large number. "Have you ever looked at the United States Budget? There's bignums f...
bignum2 is numbers on the dice are called `bignums', especially a roll of double fives or double sixes (compare {moby}, sense 4). See also {El Camino Bignum}. Sense 1 may require some explanation. Most computer languages provide a kind of ...
bignum3 is integers are usually very limited in size; usually they must be smaller than than 2^{31} (2,147,483,648) or (on a losing {bitty box}) 2^{15} (32,768). If you want to work with numbers larger than that, you have to use floating-poin...
bignum4 is six or seven decimal places. Computer languages that provide bignums can perform exact calculations on very large numbers, such as 1000! (the factorial of 1000, which is 1000 times 999 times 998 times ... times 2 times 1).
bigot is n. A person who is religiously attached to a particular computer, language, operating system, editor, or other tool (see {religious issues}). Usually found with a specifier; thus, `cray bigot', {ITS bigot}, `APL bigot', `VMS bigot', ...
bigot2 is distinguished from mere partisans or zealots by the fact that they refuse to learn alternatives even when the march of time and/or technology is threatening to obsolete the favored tool. It is said "You can tell a bigot, but you c...
bit is [from the mainstream meaning and `Binary digIT'] n. 1. [techspeak] The unit of information; the amount of information obtained by asking a yes-or-no question for which the two outcomes are equally probable. 2. [techspeak] A computation...
bit2 is values, such as true and false or 0 and 1. 3. A mental flag a reminder that something should be done eventually. "I have a bit set for you." (I haven't seen you for a while, and I'm supposed to tell or ask you something.) 4. More ...
bit3 is of belief. "I have a bit set that says that you were the last guy to hack on EMACS." (Meaning "I think you were the last guy to hack on EMACS, and what I am about to say is predicated on this, so please stop me if this isn't true.")...
bit4 is way of indicating that you intend only a short interruption for a question that can presumably be answered yes or no. A bit is said to be `set' if its value is true or 1, and `reset' or `clear' if its value is false or 0. One spea...
bit5 is or `invert' a bit is to change it, either from 0 to 1 or from 1 to 0. See also {flag}, {trit}, {mode bit}.
bit bang is n. Transmission of data on a serial line, when accomplished by rapidly tweaking a single output bit at the appropriate times. The technique is a simple loop with eight OUT and SHIFT instruction pairs for each byte. Input is more...
bit bang2 is and output at the same time) is one way to separate the real hackers from the {wannabee}s. Bit bang was used on certain early models of Prime computers, presumably when UARTs were too expensive, and on archaic Z80 micros with ...
bit bang3 is instance of the {cycle of reincarnation}, this technique is now (1991) coming back into use on some RISC architectures because it consumes such an infinitesimal part of the processor that it actually makes sense not to have a UA...
bit bashing is n. (alt. `bit diddling' or {bit twiddling}) Term used to describe any of several kinds of low-level programming characterized by manipulation of {bit}, {flag}, {nybble}, and other smaller-than-character-sized pieces of data; the...
bit bashing2 is encryption algorithms, checksum and error-correcting codes, hash functions, some flavors of graphics programming (see {bitblt}), and assembler/compiler code generation. May connote either tedium or a real technical challenge...
bit bashing3 is decoding for the new tape driver looks pretty solid but the bit-bashing for the control registers still has bugs." See also {bit bang}, {mode bit}.
bit bucket is n. 1. The universal data sink (originally, the mythical receptacle used to catch bits when they fall off the end of a register during a shift instruction). Discarded, lost, or destroyed data is said to have `gone to the bit buck...
bit bucket2 is {/dev/null}. Sometimes amplified as `the Great Bit Bucket in the Sky'. 2. The place where all lost mail and news messages eventually go. The selection is performed according to {Finagle's Law}; important mail is much more lik...
bit bucket3 is mail, which has an almost 100% probability of getting delivered. Routing to the bit bucket is automatically performed by mail-transfer agents, news systems, and the lower layers of the network. 3. The ideal location for all un...
bit bucket4 is article to the bit bucket." Such a request is guaranteed to overflow one's mailbox with flames. 4. Excuse for all mail that has not been sent. "I mailed you those figures last week; they must have ended in the bit bucket." Co...
bit bucket5 is in jest. It is based on the fanciful notion that bits are objects that are not destroyed but only misplaced. This appears to have been a mutation of an earlier term `bit box', about which the same legend was current; old-time ...
bit bucket6 is told that when the CPU stored bits into memory it was actually pulling them `out of the bit box'. See also {chad box}. Another variant of this legend has it that, as a consequence of the `parity preservation law', the number ...
bit bucket7 is equal the number of 0 bits. Any imbalance results in bits filling up the bit bucket. A qualified computer technician can empty a full bit bucket as part of scheduled maintenance.
bit decay is n. See {bit rot}. People with a physics background tend to prefer this one for the analogy with particle decay. See also {computron}, {quantum bogodynamics}.
bit rot is n. Also {bit decay}. Hypothetical disease the existence of which has been deduced from the observation that unused programs or features will often stop working after sufficient time has passed, even if `nothing has changed'. The t...
bit rot2 is were radioactive. As time passes, the contents of a file or the code in a program will become increasingly garbled. There actually are physical processes that produce such effects (alpha particles generated by trace radionuclide...
bit rot3 is change the contents of a computer memory unpredictably, and various kinds of subtle media failures can corrupt files in mass storage), but they are quite rare (and computers are built with error-detecting circuitry to compensate ...
bit rot4 is hackers that cosmic rays are among the causes of such events turns out to be a myth; see the {cosmic rays} entry for details. The term {software rot} is almost synonymous. Software rot is the effect, bit rot the notional cause.
bit twiddling is n. 1. (pejorative) An exercise in {tuning} in which incredible amounts of time and effort go to produce little noticeable improvement, often with the result that the code has become incomprehensible. 2. Aimless small modifica...
bit twiddling2 is goal. 3. Approx. syn. for {bit bashing}; esp. used for the act of frobbing the device control register of a peripheral in an attempt to get it back to a known state.
bit-paired keyboard is n. obs. (alt. `bit-shift keyboard') A non-standard keyboard layout that seems to have originated with the Teletype ASR-33 and remained common for several years on early computer equipment. The ASR-33 was a mechanical de...
bit-paired keyboard2 is generate the character codes from keystrokes was by some physical linkage. The design of the ASR-33 assigned each character key a basic pattern that could be modified by flipping bits if the SHIFT or the CTRL key was p...
bit-paired keyboard3 is more of a Rube Goldberg kluge than it already was, the design had to group characters that shared the same basic bit pattern on one key. This is why the characters !"#$%&'() appear where they do on a Teletype (thankfu...
bit-paired keyboard4 is was *not* the weirdest variant of the {QWERTY} layout widely seen, by the way; that prize should probably go to one of several (differing) arrangements on IBM's even clunkier 026 and 029 card punches. When electroni...
bit-paired keyboard5 is there was no agreement in the industry over how the keyboards should be laid out. Some vendors opted to emulate the Teletype keyboard, while others used the flexibility of electronic circuitry to make their product l...
bit-paired keyboard6 is alternatives became known as `bit-paired' and `typewriter-paired' keyboards. To a hacker, the bit-paired keyboard seemed far more logical --- and because most hackers in those days had never learned to touch-type, th...
bit-paired keyboard7 is users to adapt keyboards to the typewriter standard. The doom of the bit-paired keyboard was the large-scale introduction of the computer terminal into the normal office environment, where out-and-out technophobes wer...
bit-paired keyboard8 is `typewriter-paired' standard became universal, `bit-paired' hardware was quickly junked or relegated to dusty corners, and both terms passed into disuse.
bitblt is /bit'blit/ n. [from {BLT}, q.v.] 1. Any of a family of closely related algorithms for moving and copying rectangles of bits between main and display memory on a bit-mapped device, or between two areas of either main or display memory...
bitblt2 is the case of overlapping source and destination rectangles is what makes BitBlt tricky). 2. Synonym for {blit} or {BLT}. Both uses are borderline techspeak.
BITNET is /bit'net/ [acronym Because It's Time NETwork] n. Everybody's least favorite piece of the network (see {network, the}). The BITNET hosts are a collection of IBM dinosaurs and VAXen (the latter with lobotomized comm hardware) that com...
BITNET2 is images (see {eighty-column mind}); thus, they tend to mangle the headers and text of third-party traffic from the rest of the ASCII/RFC-822 world with annoying regularity. BITNET is also notorious as the apparent home of {BIFF}.
bits is n.pl. 1. Information. Examples "I need some bits about file formats." ("I need to know about file formats.") Compare {core dump}, sense 4. 2. Machine-readable representation of a document, specifically as contrasted with paper "I ...
bits2 is does anyone know where I can get the bits?". See {softcopy}, {source of all good bits} See also {bit}.
bitty box is /bit'ee boks/ n. 1. A computer sufficiently small, primitive, or incapable as to cause a hacker acute claustrophobia at the thought of developing software for it. Especially used of small, obsolescent, single-tasking-only persona...
bitty box2 is Sinclair, VIC-20, TRS-80, or IBM PC. 2. [Pejorative] More generally, the opposite of `real computer' (see {Get a real computer!}). See also {mess-dos}, {toaster}, and {toy}.
bixie is /bik'see/ n. Variant {emoticon}s used on BIX (the Byte Information eXchange). The {smiley} bixie is <@_@>, apparently intending to represent two cartoon eyes and a mouth. A few others have been reported.
black art is n. A collection of arcane, unpublished, and (by implication) mostly ad-hoc techniques developed for a particular application or systems area (compare {black magic}). VLSI design and compiler code optimization were (in their begin...
black art2 is art; as theory developed they became {deep magic}, and once standard textbooks had been written, became merely {heavy wizardry}. The huge proliferation of formal and informal channels for spreading around new computer-related ...
black art3 is made both the term `black art' and what it describes less common than formerly. See also {voodoo programming}.
black hole is n. When a piece of email or netnews disappears mysteriously between its origin and destination sites (that is, without returning a {bounce message}) it is commonly said to have `fallen into a black hole'. "I think there's a blac...
factpacks/jargon-split.fact view on Meta::CPAN
Church of the SubGenius2 is "Bob" the divine drilling-equipment salesman, the Benevolent Space Xists, and the Stark Fist of Removal. Much SubGenius theory is concerned with the acquisition of the mystical substance or quality of `slack'.
Cinderella Book is [CMU] n. `Introduction to Automata Theory, Languages, and Computation', by John Hopcroft and Jeffrey Ullman, (Addison-Wesley, 1979). So called because the cover depicts a girl (putatively Cinderella) sitting in front of a R...
Cinderella Book2 is coming out of it. The back cover depicts the girl with the device in shambles after she has pulled on the rope. See also {{book titles}}.
CI$ is // n. Hackerism for `CIS', CompuServe Information Service. The dollar sign refers to CompuServe's rather steep line charges. Often used in {sig block}s just before a CompuServe address. Syn. {Compu$erve}.
Classic C is /klas'ik C/ [a play on `Coke Classic'] n. The C programming language as defined in the first edition of {K&R}, with some small additions. It is also known as `K&R C'. The name came into use while C was being standardized by the ...
Classic C2 is This is sometimes applied elsewhere thus, `X Classic', where X = Star Trek (referring to the original TV series) or X = PC (referring to IBM's ISA-bus machines as opposed to the PS/2 series). This construction is especially us...
Classic C3 is versions are considered serious losers relative to the older ones.
clean is 1. adj. Used of hardware or software designs, implies `elegance in the small', that is, a design or implementation that may not hold any surprises but does things in a way that is reasonably intuitive and relatively easy to comprehend...
clean2 is or {crufty}. 2. v. To remove unneeded or undesired files in a effort to reduce clutter "I'm cleaning up my account." "I cleaned up the garbage and now have 100 Meg free on that partition."
CLM is /C-L-M/ [Sun `Career Limiting Move'] 1. n. An action endangering one's future prospects of getting plum projects and raises, and possibly one's job "His Halloween costume was a parody of his manager. He won the prize for `best CLM'." ...
CLM2 is discovered by a customer and obviously missed earlier because of poor testing "That's a CLM bug!"
clobber is vt. To overwrite, usually unintentionally "I walked off the end of the array and clobbered the stack." Compare {mung}, {scribble}, {trash}, and {smash the stack}.
clocks is n. Processor logic cycles, so called because each generally corresponds to one clock pulse in the processor's timing. The relative execution times of instructions on a machine are usually discussed in clocks rather than absolute frac...
clocks2 is is that clock speeds for various models of the machine may increase as technology improves, and it is usually the relative times one is interested in when discussing the instruction set. Compare {cycle}.
clone is n. 1. An exact duplicate "Our product is a clone of their product." Implies a legal reimplementation from documentation or by reverse-engineering. Also connotes lower price. 2. A shoddy, spurious copy "Their product is a clone of...
clone2 is likely violating copyright, patent, or trade secret protections "Your product is a clone of my product." This use implies legal action is pending. 4. A `PC clone'; a PC-BUS/ISA or EISA-compatible 80x86-based microcomputer (this u...
clone3 is These invariably have much more bang for the buck than the IBM archetypes they resemble. 5. In the construction `UNIX clone' An OS designed to deliver a UNIX-lookalike environment without UNIX license fees, or with additional `mis...
clone4 is real-time programming. 6. v. To make an exact copy of something. "Let me clone that" might mean "I want to borrow that paper so I can make a photocopy" or "Let me get a copy of that file before you {mung} it".
clover key is [Mac users] n. See {command key}.
clustergeeking is /kluh'st*r-gee`king/ [CMU] n. Spending more time at a computer cluster doing CS homework than most people spend breathing.
COBOL is /koh'bol/ [COmmon Business-Oriented Language] n. (Synonymous with {evil}.) A weak, verbose, and flabby language used by {card walloper}s to do boring mindless things on {dinosaur} mainframes. Hackers believe all COBOL programmers ...
COBOL2 is self-respecting hacker will ever admit to having learned the language. Its very name is seldom uttered without ritual expressions of disgust or horror. See also {fear and loathing}, {software rot}.
COBOL fingers is /koh'bol fing'grz/ n. Reported from Sweden, a (hypothetical) disease one might get from coding in COBOL. The language requires code verbose beyond all reason; thus it is alleged that programming too much in COBOL causes one's...
COBOL fingers2 is endless typing. "I refuse to type in all that source code again; it would give me COBOL fingers!"
code grinder is n. 1. A {suit}-wearing minion of the sort hired in legion strength by banks and insurance companies to implement payroll packages in RPG and other such unspeakable horrors. In his native habitat, the code grinder often removes...
code grinder2 is consisting of button-down shirt (starch optional) and a tie. In times of dire stress, the sleeves (if long) may be rolled up and the tie loosened about half an inch. It seldom helps. The {code grinder}'s milieu is about as ...
code grinder3 is touch a computer; the term connotes pity. See {Real World}, {suit}. 2. Used of or to a hacker, a really serious slur on the person's creative ability; connotes a design style characterized by primitive technique, rule-boun...
code grinder4 is imagination. Compare {card walloper}; contrast {hacker}, {real programmer}.
code police is [by analogy with George Orwell's `thought police'] n. A mythical team of Gestapo-like storm troopers that might burst into one's office and arrest one for violating programming style rules. May be used either seriously, to unde...
code police2 is violation is dangerous, or ironically, to suggest that the practice under discussion is condemned mainly by anal-retentive {weenie}s. "Dike out that goto or the code police will get you!" The ironic usage is perhaps more comm...
codewalker is n. A program component that traverses other programs for a living. Compilers have codewalkers in their front ends; so do cross-reference generators and some database front ends. Other utility programs that try to do too much wi...
codewalker2 is As in "This new `vgrind' feature would require a codewalker to implement."
coefficient of X is n. Hackish speech makes rather heavy use of pseudo-mathematical metaphors. Four particularly important ones involve the terms `coefficient', `factor', `index', and `quotient'. They are often loosely applied to things you ...
coefficient of X2 is there are subtle distinctions among them that convey information about the way the speaker mentally models whatever he or she is describing. `Foo factor' and `foo quotient' tend to describe something for which the issue ...
coefficient of X3 is example is {fudge factor}. It's not important how much you're fudging; the term simply acknowledges that some fudging is needed. You might talk of liking a movie for its silliness factor. Quotient tends to imply that the ...
coefficient of X4 is "I would have won except for my luck quotient." This could also be "I would have won except for the luck factor", but using *quotient* emphasizes that it was bad luck overpowering good luck (or someone else's good luck ov...
coefficient of X5 is `coefficient of foo' both tend to imply that foo is, if not strictly measurable, at least something that can be larger or smaller. Thus, you might refer to a paper or person as having a `high bogosity index', whereas you ...
coefficient of X6 is bogosity factor'. `Foo index' suggests that foo is a condensation of many quantities, as in the mundane cost-of-living index; `coefficient of foo' suggests that foo is a fundamental quantity, as in a coefficient of fricti...
coefficient of X7 is one of personal preference; e.g., some people might feel that bogosity is a fundamental attribute and thus say `coefficient of bogosity', whereas others might feel it is a combination of factors and thus say `bogosity inde...
cokebottle is /kohk'bot-l/ n. Any very unusual character, particularly one you can't type because it it isn't on your keyboard. MIT people used to complain about the `control-meta-cokebottle' commands at SAIL, and SAIL people complained rig...
cokebottle2 is commands at MIT. After the demise of the {space-cadet keyboard}, `cokebottle' faded away as serious usage, but was often invoked humorously to describe an (unspecified) weird or non-intuitive keystroke command. It may be due...
cokebottle3 is window manager, `mwm(1)', has a reserved keystroke for switching to the default set of keybindings and behavior. This keystroke is (believe it or not) `control-meta-bang' (see {bang}). Since the exclamation point looks a lot...
cokebottle4 is have begun referring to this keystroke as `cokebottle'. See also {quadruple bucky}.
cold boot is n. See {boot}.
COME FROM is n. A semi-mythical language construct dual to the `go to'; `COME FROM' <label> would cause the referenced label to act as a sort of trapdoor, so that if the program ever reached it control would quietly and {automagically} be tran...
COME FROM2 is FROM'. `COME FROM' was first proposed in a {Datamation} article of December 1973 (reprinted in the April 1984 issue of `Communications of the ACM') that parodied the then-raging `structured programming' {holy wars} (see {consi...
COME FROM3 is the `assigned COME FROM' and the `computed COME FROM' (parodying some nasty control constructs in FORTRAN and some extended BASICs). Of course, multi-tasking (or non-determinism) could be implemented by having more than one `C...
COME FROM4 is label. In some ways the FORTRAN `DO' looks like a `COME FROM' statement. After the terminating statement number/`CONTINUE' is reached, control continues at the statement following the DO. Some generous FORTRANs would allow arb...
COME FROM5 is the statement, leading to examples like DO 10 I=1,LIMIT C imagine many lines of code here, leaving the C original DO statement lost in the spaghetti... WRITE(6,10) I,FROB(I) 10 FORMAT(1X,I5,G10.4) i...
COME FROM6 is statement labeled 10. (This is particularly surprising because the label doesn't appear to have anything to do with the flow of control at all!) While sufficiently astonishing to the unsuspecting reader, this form of `COME FROM...
COME FROM7 is all, control will eventually pass to the following statement. The implementation of the general form was left to Univac FORTRAN, ca. 1975. The statement `AT 100' would perform a `COME FROM 100'. It was intended strictly as a...
COME FROM8 is promised to anyone so deranged as to use it in production code. More horrible things had already been perpetrated in production languages, however; doubters need only contemplate the `ALTER' verb in {COBOL}. `COME FROM' was su...
COME FROM9 is 15 years later, in C-INTERCAL (see {INTERCAL}, {retrocomputing}); knowledgeable observers are still reeling from the shock.
comm mode is /kom mohd/ [ITS from the feature supporting on-line chat; the term may spelled with one or two m's] Syn. for {talk mode}.
command key is [Mac users] n. The Macintosh key with the cloverleaf graphic on its keytop; sometimes referred to as `flower', `pretzel', `clover', `propeller', `beanie' (an apparent reference to the major feature of a propeller beanie), or {...
command key2 is The proliferation of terms for this creature may illustrate one subtle peril of iconic interfaces.
comment out is vt. To surround a section of code with comment delimiters or to prefix every line in the section with a comment marker; this prevents it from being compiled or interpreted. Often done when the code is redundant or obsolete, but...
comment out2 is the intent of the active code clearer; also when the code in that section is broken and you want to bypass it in order to debug some other part of the code. Compare {condition out}, usually the preferred technique in languages...
Commonwealth Hackish is n. Hacker jargon as spoken outside the U.S., esp. in the British Commonwealth. It is reported that Commonwealth speakers are more likely to pronounce truncations like `char' and `soc', etc., as spelled (/char/, /sok/),...
Commonwealth Hackish2 is Dots in {newsgroup} names tend to be pronounced more often (so soc.wibble is /sok dot wib'l/ rather than /sohsh wib'l/). The prefix {meta} may be pronounced /mee't*/; similarly, Greek letter beta is often /bee't*/, ...
Commonwealth Hackish3 is Preferred metasyntactic variables include `eek', `ook', `frodo', and `bilbo'; `wibble', `wobble', and in emergencies `wubble'; `banana', `wombat', `frog', {fish}, and so on and on (see {foo}, sense 4). Alternatives...
Commonwealth Hackish4 is `frenzy' (as in feeding frenzy), and `city' (examples "barf city!" "hack-o-rama!" "core dump frenzy!"). Finally, note that the American terms `parens', `brackets', and `braces' for (), [], and {} are uncommon; Commonw...
Commonwealth Hackish5 is brackets', and `curly brackets'. Also, the use of `pling' for {bang} is common outside the United States. See also {attoparsec}, {calculator}, {chemist}, {console jockey}, {fish}, {go-faster stripes}, {grunge}, {haksp...
Commonwealth Hackish6 is fixer}, {noddy}, {psychedelicware}, {plingnet}, {raster blaster}, {seggie}, {terminal junkie}, {tick-list features}, {weeble}, {weasel}, {YABA}, and notes or definitions under {Bad Thing}, {barf}, {bogus}, {bum}, {ch...
Commonwealth Hackish7 is {crunch}, {dodgy}, {gonk}, {hamster}, {hardwarily}, {mess-dos}, {nybble}, {proglet}, {root}, {SEX}, {tweak}, and {xyzzy}.
compact is adj. Of a design, describes the valuable property that it can all be apprehended at once in one's head. This generally means the thing created from the design can be used with greater facility and fewer errors than an equivalent to...
compact2 is imply triviality or lack of power; for example, C is compact and FORTRAN is not, but C is more powerful than FORTRAN. Designs become non-compact through accreting {feature}s and {cruft} that don't merge cleanly into the overall ...
compact3 is maintain that ANSI C is no longer compact).
compiler jock is n. See {jock} (sense 2).
compress is [UNIX] vt. When used without a qualifier, generally refers to {crunch}ing of a file using a particular C implementation of Lempel-Ziv compression by James A. Woods et al. and widely circulated via {USENET}. Use of {crunch} itself ...
Compu$erve is n. See {CI$}.
computer confetti is n. Syn. {chad}. Though this term is common, this use of the punched-card chad is not a good idea, as the pieces are stiff and have sharp corners that could injure the eyes. GLS reports that he once attended a wedding at ...
computer confetti2 is enthusiastically threw chad instead of rice. The groom later grumbled that he and his bride had spent most of the evening trying to get the stuff out of their hair.
computer geek is n. One who eats (computer) bugs for a living. One who fulfills all the dreariest negative stereotypes about hackers an asocial, malodorous, pasty-faced monomaniac with all the personality of a cheese grater. Cannot be used b...
computer geek2 is hackers; compare black-on-black usage of `nigger'. A computer geek may be either a fundamentally clueless individual or a proto-hacker in {larval stage}. Also called `turbo nerd', `turbo geek'. See also {clustergeeking},...
computron is /kom'pyoo-tron`/ n. 1. A notional unit of computing power combining instruction speed and storage capacity, dimensioned roughly in instructions-per-second times megabytes-of-main-store times megabytes-of-mass-storage. "That machi...
computron2 is enough computrons!" This usage is usually found in metaphors that treat computing power as a fungible commodity good, like a crop yield or diesel horsepower. See {bitty box}, {Get a real computer!}, {toy}, {crank}. 2. A mythi...
computron3 is quantity of computation or information, in much the same way that an electron bears one unit of electric charge (see also {bogon}). An elaborate pseudo-scientific theory of computrons has been developed based on the physical f...
computron4 is more rapidly as it is heated. It is argued that an object melts because the molecules have lost their information about where they are supposed to be (that is, they have emitted computrons). This explains why computers get so ho...
computron5 is computrons. Conversely, it should be possible to cool down an object by placing it in the path of a computron beam. It is believed that this may also explain why machines that work at the factory fail in the computer room the ...
computron6 is other hardware. (This theory probably owes something to the "Warlock" stories by Larry Niven, the best known being "What Good is a Glass Dagger?", in which magic is fueled by an exhaustible natural resource called `mana'.)
condition out is vt. To prevent a section of code from being compiled by surrounding it with a conditional-compilation directive whose condition is always false. The {canonical} examples are `#if 0' (or `#ifdef notdef', though some find this ...
condom is n. 1. The protective plastic bag that accompanies 3.5-inch microfloppy diskettes. Rarely, also used of (paper) disk envelopes. Unlike the write protect tab, the condom (when left on) not only impedes the practice of {SEX} but has al...
condom2 is drive mechanisms attempt to access the disk --- and can even fatally frustrate insertion. 2. The protective cladding on a {light pipe}.
connector conspiracy is [probably came into prominence with the appearance of the KL-10 (one model of the {PDP-10}), none of whose connectors matched anything else] n. The tendency of manufacturers (or, by extension, programmers or purveyors o...
connector conspiracy2 is that don't fit together with the old stuff, thereby making you buy either all new stuff or expensive interface devices. The KL-10 Massbus connector was actually *patented* by DEC, which reputedly refused to license ...
connector conspiracy3 is parties out of competition for the lucrative Massbus peripherals market. This is a source of never-ending frustration for the diehards who maintain older PDP-10 or VAX systems. Their CPUs work fine, but they are st...
connector conspiracy4 is drives with low capacity and high power requirements. In these latter days of open-systems computing this term has fallen somewhat into disuse, to be replaced by the observation that "Standards are great! There are ...
cons is /konz/ or /kons/ [from LISP] 1. vt. To add a new element to a specified list, esp. at the top. "OK, cons picking a replacement for the console TTY onto the agenda." 2. `cons up' vt. To synthesize from smaller pieces "to cons up an ex...
cons2 is fundamental operation for building structures. It takes any two objects and returns a `dot-pair' or two-branched tree with one object hanging from each branch. Because the result of a cons is an object, it can be used to build bin...
cons3 is think of it as a sort of universal constructor, and that is where the jargon meanings spring from.
considered harmful is adj. Edsger W. Dijkstra's note in the March 1968 `Communications of the ACM', "Goto Statement Considered Harmful", fired the first salvo in the structured programming wars. Amusingly, the ACM considered the resulting a...
considered harmful2 is policy) no longer print an article taking so assertive a position against a coding practice. In the ensuing decades, a large number of both serious papers and parodies have borne titles of the form "X considered Y". ...
considered harmful3 is over with the realization that both sides were wrong, but use of such titles has remained as a persistent minor in-joke (the `considered silly' found at various places in this lexicon is related).
console is n. 1. The operator's station of a {mainframe}. In times past, this was a privileged location that conveyed godlike powers to anyone with fingers on its keys. Under UNIX and other modern timesharing OSes, such privileges are guarde...
console2 is just the {tty} the system was booted from. Some of the mystique remains, however, and it is traditional for sysadmins to post urgent messages to all users from the console (on UNIX, /dev/console). 2. On microcomputer UNIX boxes, ...
console3 is character-only terminals talking to a serial port). Typically only the console can do real graphics or run {X}. See also {CTY}.
console jockey is n. See {terminal junkie}.
content-free is [by analogy with techspeak `context-free'] adj. Used of a message that adds nothing to the recipient's knowledge. Though this adjective is sometimes applied to {flamage}, it more usually connotes derision for communication styl...
content-free2 is centered on concerns irrelevant to the subject ostensibly at hand. Perhaps most used with reference to speeches by company presidents and other professional manipulators. "Content-free? Uh...that's anything printed on glossy...
content-free3 is "He gave a talk on the implications of electronic networks for postmodernism and the fin-de-siecle aesthetic. It was content-free."
control-C is vi. 1. "Stop whatever you are doing." From the interrupt character used on many operating systems to abort a running program. Considered silly. 2. interj. Among BSD UNIX hackers, the canonical humorous response to "Give me a br...
control-O is vi. "Stop talking." From the character used on some operating systems to abort output but allow the program to keep on running. Generally means that you are not interested in hearing anything more from that person, at least on t...
control-O2 is who is flaming. Considered silly.
control-Q is vi. "Resume." From the ASCII XON character used to undo a previous control-S (in fact it is also pronounced XON /X-on/).
control-S is vi. "Stop talking for a second." From the ASCII XOFF character (this is also pronounced XOFF /X-of/). Control-S differs from {control-O} in that the person is asked to stop talking (perhaps because you are on the phone) but will...
control-S2 is listen to him --- as opposed to control-O, which has more of the meaning of "Shut up." Considered silly.
Conway's Law is prov. The rule that the organization of the software and the organization of the software team will be congruent; originally stated as "If you have four groups working on a compiler, you'll get a 4-pass compiler". This was or...
Conway's Law2 is early proto-hacker who wrote an assembler for the Burroughs 220 called SAVE. The name `SAVE' didn't stand for anything; it was just that you lost fewer card decks and listings because they all had SAVE written on them.
cookbook is [from amateur electronics and radio] n. A book of small code segments that the reader can use to do various {magic} things in programs. One current example is the `PostScript Language Tutorial and Cookbook' by Adobe Systems, Inc ...
cookbook2 is has recipes for things like wrapping text around arbitrary curves and making 3D fonts. Cookbooks, slavishly followed, can lead one into {voodoo programming}, but are useful for hackers trying to {monkey up} small programs in unk...
cookbook3 is of phrasebooks in human languages.
cookie is n. A handle, transaction ID, or other token of agreement between cooperating programs. "I give him a packet, he gives me back a cookie." The claim check you get from a dry-cleaning shop is a perfect mundane example of a cookie; the...
cookie2 is later transaction to this one (so you get the same clothes back). Compare {magic cookie}; see also {fortune cookie}.
cookie bear is n. Syn. {cookie monster}.
cookie file is n. A collection of {fortune cookie}s in a format that facilitates retrieval by a fortune program. There are several different ones in public distribution, and site admins often assemble their own from various sources including ...
cookie monster is [from "Sesame Street"] n. Any of a family of early (1970s) hacks reported on {{TOPS-10}}, {{ITS}}, {{Multics}}, and elsewhere that would lock up either the victim's terminal (on a time-sharing machine) or the {{console}} (on ...
cookie monster2 is "I WANT A COOKIE". The required responses ranged in complexity from "COOKIE" through "HAVE A COOKIE" and upward. See also {wabbit}.
copper is n. Conventional electron-carrying network cable with a core conductor of copper --- or aluminum! Opposed to {light pipe} or, say, a short-range microwave link.
copy protection is n. A class of clever methods for preventing incompetent pirates from stealing software and legitimate customers from using it. Considered silly.
copybroke is /ko'pee-brohk/ adj. [play on `copyright'] Used to describe an instance of a copy-protected program that has been `broken'; that is, a copy with the copy-protection scheme disabled. Syn. {copywronged}.
copyleft is /kop'ee-left/ [play on `copyright'] n. 1. The copyright notice (`General Public License') carried by {GNU} {EMACS} and other Free Software Foundation software, granting reuse and reproduction rights to all comers (but see also {Gen...
copyleft2 is copyright notice intended to achieve similar aims.
copywronged is /ko'pee-rongd/ [play on `copyright'] adj. Syn. for {copybroke}.
core is n. Main storage or RAM. Dates from the days of ferrite-core memory; now archaic as techspeak most places outside IBM, but also still used in the UNIX community and by old-time hackers or those who would sound like them. Some derived ...
core2 is example, means `in memory' (as opposed to `on disk'), and both {core dump} and the `core image' or `core file' produced by one are terms in favor. Commonwealth hackish prefers {store}.
core dump is n. [common {Iron Age} jargon, preserved by UNIX] 1. [techspeak] A copy of the contents of {core}, produced when a process is aborted by certain kinds of internal error. 2. By extension, used for humans passing out, vomiting, or r...
factpacks/jargon-split.fact view on Meta::CPAN
Death Star3 is incorrectly done AT&T logo in which the inner circle in the top left is dark instead of light --- a frequent result of dark-on-light logo images.
DEC Wars is n. A 1983 {USENET} posting by Alan Hastings and Steve Tarr spoofing the "Star Wars" movies in hackish terms. Some years later, ESR (disappointed by Hastings and Tarr's failure to exploit a great premise more thoroughly) posted a 3...
DEC Wars2 is WARS"; the two are often confused.
DEChead is /dek'hed/ n. 1. A DEC {field servoid}. Not flattering. 2. [from `deadhead'] A Grateful Dead fan working at DEC.
deckle is /dek'l/ [from dec- and {nickle}] n. Two {nickle}s; 10 bits. Reported among developers for Mattel's GI 1600 (the Intellivision games processor), a chip with 16-bit-wide RAM but 10-bit-wide ROM.
deep hack mode is n. See {hack mode}.
deep magic is [poss. from C. S. Lewis's "Narnia" books] n. An awesomely arcane technique central to a program or system, esp. one not generally published and available to hackers at large (compare {black art}); one that could only have been co...
deep magic2 is optimization techniques and many aspects of {OS} design used to be {deep magic}; many techniques in cryptography, signal processing, graphics, and AI still are. Compare {heavy wizardry}. Esp. found in comments of the form "De...
deep space is n. 1. Describes the notional location of any program that has gone {off the trolley}. Esp. used of programs that just sit there silently grinding long after either failure or some output is expected. "Uh oh. I should have gott...
deep space2 is in deep space somewhere." Compare {buzz}, {catatonic}, {hyperspace}. 2. The metaphorical location of a human so dazed and/or confused or caught up in some esoteric form of {bogosity} that he or she no longer responds coherent...
defenestration is [from the traditional Czechoslovak method of assassinating prime ministers, via SF fandom] n. 1. Proper karmic retribution for an incorrigible punster. "Oh, ghod, that was *awful*!" "Quick! Defenestrate him!" 2. The act of...
defenestration2 is better response time from a full-screen program. This comes from the dictionary meaning of `defenestrate', which is to throw something out a window. 3. The act of discarding something under the assumption that it will im...
defenestration3 is left." "Well, why don't you defenestrate that 100 megs worth of old core dumps?" 4. [proposed] The requirement to support a command-line interface. "It has to run on a VT100." "Curses! I've been defenestrated!"
defined as is adj. In the role of, usually in an organization-chart sense. "Pete is currently defined as bug prioritizer." Compare {logical}.
dehose is /dee-hohz/ vt. To clear a {hosed} condition.
delint is /dee-lint/ v. To modify code to remove problems detected when {lint}ing.
delta is n. 1. [techspeak] A quantitative change, especially a small or incremental one (this use is general in physics and engineering). "I just doubled the speed of my program!" "What was the delta on program size?" "About 30 percent." (...
delta2 is increased its size by only 30 percent.) 2. [UNIX] A {diff}, especially a {diff} stored under the set of version-control tools called SCCS (Source Code Control System) or RCS (Revision Control System). 3. n. A small quantity, but ...
delta3 is {delta} and {epsilon} stems from the traditional use of these letters in mathematics for very small numerical quantities, particularly in `epsilon-delta' proofs in limit theory (as in the differential calculus). The term {delta} i...
delta4 is mentioned, to mean a quantity that is slightly bigger than {epsilon} but still very small. "The cost isn't epsilon, but it's delta" means that the cost isn't totally negligible, but it is nevertheless very small. Common construct...
delta5 is epsilon of ---' that is, close to and even closer to.
demented is adj. Yet another term of disgust used to describe a program. The connotation in this case is that the program works as designed, but the design is bad. Said, for example, of a program that generates large numbers of meaningless e...
demented2 is brink of imminent collapse. Compare {wonky}, {bozotic}.
demigod is n. A hacker with years of experience, a national reputation, and a major role in the development of at least one design, tool, or game used by or known to more than half of the hacker community. To qualify as a genuine demigod, the ...
demigod2 is hacker community and have helped shape it. Major demigods include Ken Thompson and Dennis Ritchie (co-inventors of {{UNIX}} and {C}) and Richard M. Stallman (inventor of {EMACS}). In their hearts of hearts, most hackers dream of ...
demigod3 is more than one major software project has been driven to completion by the author's veiled hopes of apotheosis. See also {net.god}, {true-hacker}.
demo is /de'moh/ [short for `demonstration'] 1. v. To demonstrate a product or prototype. A far more effective way of inducing bugs to manifest than any number of {test} runs, especially when important people are watching. 2. n. The act of d...
demo mode is [Sun] n. 1. The state of being {heads down} in order to finish code in time for a {demo}, usually due yesterday. 2. A mode in which video games sit there by themselves running through a portion of the game, also known as `attract ...
demo mode2 is they use as a screen saver, or may go through a demo mode on startup (for example, the Microsoft Windows opening screen --- which lets you impress your neighbors without actually having to put up with {Microsloth Windows}).
demon is n. 1. [MIT] A portion of a program that is not invoked explicitly, but that lies dormant waiting for some condition(s) to occur. See {daemon}. The distinction is that demons are usually processes within a program, while daemons are ...
demon2 is system. Demons are particularly common in AI programs. For example, a knowledge-manipulation program might implement inference rules as demons. Whenever a new piece of knowledge was added, various demons would activate (which de...
demon3 is and would create additional pieces of knowledge by applying their respective inference rules to the original piece. These new pieces could in turn activate more demons as the inferences filtered down through chains of logic. Mean...
demon4 is whatever its primary task was. 2. [outside MIT] Often used equivalently to {daemon} --- especially in the {{UNIX}} world, where the latter spelling and pronunciation is considered mildly archaic.
depeditate is /dee-ped'*-tayt/ [by (faulty) analogy with `decapitate'] vt. Humorously, to cut off the feet of. When one is using some computer-aided typesetting tools, careless placement of text blocks within a page or above a rule can resul...
depeditate2 is letters are said to have been depeditated.
deprecated is adj. Said of a program or feature that is considered obsolescent and in the process of being phased out, usually in favor of a specified replacement. Deprecated features can, unfortunately, linger on for many years.
deserves to lose is adj. Said of someone who willfully does the {Wrong Thing}; humorously, if one uses a feature known to be {marginal}. What is meant is that one deserves the consequences of one's {losing} actions. "Boy, anyone who tries to...
deserves to lose2 is ({{ITS}} fans used to say this of {{UNIX}}; many still do.) See also {screw}, {chomp}, {bagbiter}.
desk check is n.,v. To {grovel} over hardcopy of source code, mentally simulating the control flow; a method of catching bugs. No longer common practice in this age of on-screen editing, fast compiles, and sophisticated debuggers --- though so...
desk check2 is Compare {eyeball search}, {vdiff}, {vgrep}.
Devil Book is n. `The Design and Implementation of the 4.3BSD UNIX Operating System', by Samuel J. Leffler, Marshall Kirk McKusick, Michael J. Karels, and John S. Quarterman (Addison-Wesley Publishers, 1989) --- the standard reference book on ...
Devil Book2 is because the cover has a picture depicting a little devil (a visual play on {daemon}) in sneakers, holding a pitchfork (referring to one of the characteristic features of UNIX, the {fork(2)} system call).
devo is /dee'voh/ [orig. in-house jargon at Symbolics] n. A person in a development group. See also {doco} and {mango}.
dickless workstation is n. Extremely pejorative hackerism for `diskless workstation', a class of botches including the Sun 3/50 and other machines designed exclusively to network with an expensive central disk server. These combine all the di...
dickless workstation2 is disadvantages of distributed personal computers.
dictionary flame is [USENET] n. An attempt to sidetrack a debate away from issues by insisting on meanings for key terms that presuppose a desired conclusion or smuggle in an implicit premise. A common tactic of people who prefer argument over...
diddle is 1. vt. To work with or modify in a not particularly serious manner. "I diddled a copy of {ADVENT} so it didn't double-space all the time." "Let's diddle this piece of code and see if the problem goes away." See {tweak} and {twiddl...
diddle2 is See also {tweak}, {twiddle}, {frob}.
diff is /dif/ n. 1. A change listing, especially giving differences between (and additions to) source code or documents (the term is often used in the plural `diffs'). "Send me your diffs for the Jargon File!" Compare {vdiff}. 2. Specifical...
diff2 is command, esp. when used as specification input to the `patch(1)' utility (which can actually perform the modifications; see {patch}). This is a common method of distributing patches and source updates in the UNIX/C world. See also...
digit is n. An employee of Digital Equipment Corporation. See also {VAX}, {VMS}, {PDP-10}, {{TOPS-10}}, {DEChead}, {double DECkers}, {field circus}.
dike is vt. To remove or disable a portion of something, as a wire from a computer or a subroutine from a program. A standard slogan is "When in doubt, dike it out". (The implication is that it is usually more effective to attack software pr...
dike2 is increasing it.) The word `dikes' is widely used among mechanics and engineers to mean `diagonal cutters', esp. a heavy-duty metal-cutting device, but may also refer to a kind of wire-cutters used by electronics techs. To `dike so...
dike3 is remove something. Indeed, the TMRC Dictionary defined dike as "to attack with dikes". Among hackers this term has been metaphorically extended to informational objects such as sections of code.
ding is n.,vi. 1. Synonym for {feep}. Usage rare among hackers, but commoner in the {Real World}. 2. `dinged' What happens when someone in authority gives you a minor bitching about something, esp. something trivial. "I was dinged for havin...
dink is /dink/ n. Said of a machine that has the {bitty box} nature; a machine too small to be worth bothering with --- sometimes the system you're currently forced to work on. First heard from an MIT hacker (BADOB) working on a CP/M system w...
dink2 is then from fans of 32-bit architectures about 16-bit machines. "GNUMACS will never work on that dink machine." Probably derived from mainstream `dinky', which isn't sufficiently pejorative.
dinosaur is n. 1. Any hardware requiring raised flooring and special power. Used especially of old minis and mainframes, in contrast with newer microprocessor-based machines. In a famous quote from the 1988 UNIX EXPO, Bill Joy compared the m...
dinosaur2 is grazing dinosaur "with a truck outside pumping its bodily fluids through it". IBM was not amused. Compare {big iron}; see also {mainframe}. 2. [IBM] A very conservative user; a {zipperhead}.
dinosaur pen is n. A traditional {mainframe} computer room complete with raised flooring, special power, its own ultra-heavy-duty air conditioning, and a side order of Halon fire extinguishers. See {boa}.
dinosaurs mating is n. Said to occur when yet another {big iron} merger or buyout occurs; reflects a perception by hackers that these signal another stage in the long, slow dying of the {mainframe} industry. In its glory days of the 1960s, it...
dinosaurs mating2 is Control Data, General Electric, Honeywell, NCR, RCA, and Univac. RCA and GE sold out early, and it was `IBM and the Bunch' (Burroughs, Univac, NCR, Control Data, and Honeywell) for a while. Honeywell was bought out by ...
dinosaurs mating3 is Unisys (in 1984 --- this was when the phrase `dinosaurs mating' was coined); and as this is written AT&T is attempting to recover from a disastrously bad first 6 years in the hardware industry by absorbing NCR. More such ...
dirty power is n. Electrical mains voltage that is unfriendly to the delicate innards of computers. Spikes, {drop-outs}, average voltage significantly higher or lower than nominal, or just plain noise can all cause problems of varying subtlet...
Discordianism is /dis-kor'di-*n-ism/ n. The veneration of {Eris}, a.k.a. Discordia; widely popular among hackers. Discordianism was popularized by Robert Anton Wilson's `Illuminatus!' trilogy as a sort of self-subverting Dada-Zen for Western...
Discordianism2 is seriously but is far more serious than most jokes. Consider, for example, the Fifth Commandment of the Pentabarf, from `Principia Discordia' "A Discordian is Prohibited of Believing What he Reads." Discordianism is usuall...
Discordianism3 is theory/joke involving millennia-long warfare between the anarcho-surrealist partisans of Eris and a malevolent, authoritarian secret society called the Illuminati. See appendix B, {Church of the SubGenius}, and {ha ha only ...
disk farm is n. (also {laundromat}) A large room or rooms filled with disk drives (esp. {washing machine}s).
display hack is n. A program with the same approximate purpose as a kaleidoscope to make pretty pictures. Famous display hacks include {munching squares}, {smoking clover}, the BSD UNIX `rain(6)' program, `worms(6)' on miscellaneous UNIXes, ...
display hack2 is hacks can also be implemented without programming by creating text files containing numerous escape sequences for interpretation by a video terminal; one notable example displayed, on any VT100, a Christmas tree with twinkli...
display hack3 is The {hack value} of a display hack is proportional to the esthetic value of the images times the cleverness of the algorithm divided by the size of the code. Syn. {psychedelicware}.
Dissociated Press is [play on `Associated Press'; perhaps inspired by a reference in the 1949 Bugs Bunny cartoon "What's Up, Doc?"] n. An algorithm for transforming any text into potentially humorous garbage even more efficiently than by pass...
Dissociated Press2 is printing any N consecutive words (or letters) in the text. Then at every step you search for any random occurrence in the original text of the last N words (or letters) already printed and then print the next word or l...
Dissociated Press3 is Here is a short example of word-based Dissociated Press applied to an earlier version of this Jargon File wart n. A small, crocky {feature} that sticks out of an array (C has no checks for this). This is relatively...
Dissociated Press4 is bent so as to be not worth paying attention to the medium in question. Here is a short example of letter-based Dissociated Press applied to the same source window sysIWYG n. A bit was named aften /bee't*/ prefer ...
Dissociated Press5 is cast a chuckle on neithout getting into useful informash speech makes removing a featuring a move or usage actual abstractionsidered interj. Indeed spectace logic or problem! A hackish idle pastime is to apply let...
Dissociated Press6 is of text and {vgrep} the output in hopes of finding an interesting new word. (In the preceding example, `window sysIWYG' and `informash' show some promise.) Iterated applications of Dissociated Press usually yield better...
Dissociated Press7 is `travesty generators' have been employed with considerable satirical effect to the utterances of USENET flamers; see {pseudo}.
distribution is n. 1. A software source tree packaged for distribution; but see {kit}. 2. A vague term encompassing mailing lists and USENET newsgroups (but not {BBS} {fora}); any topic-oriented message channel with multiple recipients. 3. A...
distribution2 is correlated with geography) to which propagation of a USENET message is restricted; a much-underutilized feature.
do protocol is [from network protocol programming] vi. To perform an interaction with somebody or something that follows a clearly defined procedure. For example, "Let's do protocol with the check" at a restaurant means to ask for the check, ...
do protocol2 is collect money from everybody, generate change as necessary, and pay the bill. See {protocol}.
doc is /dok/ n. Common spoken and written shorthand for `documentation'. Often used in the plural `docs' and in the construction `doc file' (documentation available on-line).
doco is /do'koh/ [orig. in-house jargon at Symbolics] n. A documentation writer. See also {devo} and {mango}.
documentation is n. The multiple kilograms of macerated, pounded, steamed, bleached, and pressed trees that accompany most modern software or hardware products (see also {tree-killer}). Hackers seldom read paper documentation and (too) often ...
documentation2 is terse and on-line. A common comment on this is "You can't {grep} dead trees". See {drool-proof paper}, {verbiage}.
dodgy is adj. Syn. with {flaky}. Preferred outside the U.S.
dogcow is /dog'kow/ n. See {Moof}.
dogwash is /dog'wosh/ [From a quip in the `urgency' field of a very optional software change request, ca. 1982. It was something like "Urgency Wash your dog first".] 1. n. A project of minimal priority, undertaken as an escape from more serio...
dogwash2 is Many games and much {freeware} get written this way.
domainist is /doh-mayn'ist/ adj. 1. Said of an {{Internet address}} (as opposed to a {bang path}) because the part to the right of the `@' specifies a nested series of `domains'; for example, eric@snark.thyrsus.com specifies the machine call...
domainist2 is within the top-level domain called com. See also {big-endian}, sense 2. 2. Said of a site, mailer, or routing program which knows how to handle domainist addresses. 3. Said of a person (esp. a site admin) who prefers domain a...
domainist3 is prosyletizes for domainist addressing and disdains {bang path}s. This is now (1991) semi-obsolete, as most sites have converted.
Don't do that, then! is [from an old doctor's office joke about a patient with a trivial complaint] Stock response to a user complaint. "When I type control-S, the whole system comes to a halt for thirty seconds." "Don't do that, then!" (or ...
dongle is /dong'gl/ n. 1. A security or {copy-protection} device for commercial microcomputer programs consisting of a serialized EPROM and some drivers in a D-25 connector shell, which must be connected to an I/O port of the computer while th...
dongle2 is query the port at startup and at programmed intervals thereafter, and terminate if it does not respond with the dongle's programmed validation code. Thus, users can make as many copies of the program as they want but must pay for...
dongle3 is initially a failure, as users disliked tying up a serial port this way. Most dongles on the market today (1991) will pass data through the port and monitor for {magic} codes (and combinations of status lines) with minimal if any ...
dongle4 is --- this innovation was necessary to allow daisy-chained dongles for multiple pieces of software. The devices are still not widely used, as the industry has moved away from copy-protection schemes in general. 2. By extension, an...
dongle5 is required for a program to function. See {dongle-disk}.
dongle-disk is /don'gl disk/ n. See {dongle}; a `dongle-disk' is a floppy disk with some coding that allows an application to identify it uniquely. It can therefore be used as a {dongle}. Also called a `key disk'.
donuts is n.obs. A collective noun for any set of memory bits. This is extremely archaic and may no longer be live jargon; it dates from the days of ferrite-{core} memories in which each bit was implemented by a doughnut-shaped magnetic flip-...
doorstop is n. Used to describe equipment that is non-functional and halfway expected to remain so, especially obsolete equipment kept around for political reasons or ostensibly as a backup. "When we get another Wyse-50 in here, that ADM 3 wi...
dot file is [UNIX] n. A file which is not visible to normal directory-browsing tools (on UNIX, files named with a leading dot are, by convention, not normally presented in directory listings). Many programs define one or more dot files in whic...
dot file2 is be optionally recorded; a user can customize the program's behavior by creating the appropriate file in the current or home directory. See also {rc file}.
double bucky is adj. Using both the CTRL and META keys. "The command to burn all LEDs is double bucky F." This term originated on the Stanford extended-ASCII keyboard, and was later taken up by users of the {space-cadet keyboard} at MIT. A...
double bucky2 is {bucky bits} (control and meta shifting keys) were nice, but there weren't enough of them; you could type only 512 different characters on a Stanford keyboard. An obvious way to address this was simply to add more shifting ...
double bucky3 is keyboard with that many shifting keys is hard on touch-typists, who don't like to move their hands away from the home position on the keyboard. It was half-seriously suggested that the extra shifting keys be implemented as pe...
double bucky4 is much like playing a full pipe organ. This idea is mentioned in a parody of a very fine song by Jeffrey Moss called "Rubber Duckie", which was published in `The Sesame Street Songbook' (Simon and Schuster 1971, ISBN 671-21036-...
double bucky5 is 1978, in celebration of the Stanford keyboard See also {meta bit}, {cokebottle}, and {quadruple bucky}.
double DECkers is n. Used to describe married couples in which both partners work for Digital Equipment Corporation.
doubled sig is [USENET] n. A {sig block} that has been included twice in a {USENET} article or, less commonly, in an electronic mail message. An article or message with a doubled sig can be caused by improperly configured software. More ofte...
doubled sig2 is experience in electronic communication. See {BIFF}, {pseudo}.
down is 1. adj. Not operating. "The up escalator is down" is considered a humorous thing to say, and "The elevator is down" always means "The elevator isn't working" and never refers to what floor the elevator is on. With respect to computer...
down2 is mainstream; the extension to other kinds of machine is still hackish. 2. `go down' vi. To stop functioning; usually said of the {system}. The message from the {console} that every hacker hates to hear from the operator is "The sys...
down3 is down', `bring down' vt. To deactivate purposely, usually for repair work or {PM}. "I'm taking the system down to work on that bug in the tape drive." Occasionally one hears the word `down' by itself used as a verb in this vt. sens...
download is vt. To transfer data or (esp.) code from a larger `host' system (esp. a {mainframe}) over a digital comm link to a smaller `client' system, esp. a microcomputer or specialized peripheral. Oppose {upload}. However, note that groun...
download2 is rule for this term. Space-to-earth transmission is always download and the reverse upload regardless of the relative size of the computers involved. So far the in-space machines have invariably been smaller; thus the upload/down...
DP is /D-P/ n. 1. Data Processing. Listed here because, according to hackers, use of the term marks one immediately as a {suit}. See {DPer}. 2. Common abbrev for {Dissociated Press}.
DPB is /d*-pib'/ [from the PDP-10 instruction set] vt. To plop something down in the middle. Usage silly. "DPB yourself into that couch there." The connotation would be that the couch is full except for one slot just big enough for you to ...
DPB2 is the name of a PDP-10 instruction that inserts some bits into the middle of some other bits. This usage has been kept alive by the Common LISP function of the same name.
DPer is /dee-pee-er/ n. Data Processor. Hackers are absolutely amazed that {suit}s use this term self-referentially. "*Computers* process data, not people!" See {DP}.
dragon is n. [MIT] A program similar to a {daemon}, except that it is not invoked at all, but is instead used by the system to perform various secondary tasks. A typical example would be an accounting program, which keeps track of who is logg...
factpacks/jargon-split.fact view on Meta::CPAN
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}.
firefighting is n. 1. What sysadmins have to do to correct sudden operational problems. An opposite of hacking. "Been hacking your new newsreader?" "No, a power glitch hosed the network and I spent the whole afternoon fighting fires." 2. T...
firefighting2 is nights at a project, esp. to get it out before deadline. See also {gang bang}, {Mongolian Hordes technique}; however, the term `firefighting' connotes that the effort is going into chasing bugs rather than adding features.
firewall code is n. The code you put in a system (say, a telephone switch) to make sure that the users can't do any damage. Since users always want to be able to do everything but never want to suffer for any mistakes, the construction of a fi...
firewall code2 is coding but also of interface presentation, so that users don't even get curious about those corners of a system where they can burn themselves.
firewall machine is n. A dedicated gateway machine with special security precautions on it, used to service outside network connections and dial-in lines. The idea is to protect a cluster of more loosely administered machines hidden behind it...
firewall machine2 is an inexpensive micro-based UNIX box kept clean of critical data, with a bunch of modems and public network ports on it but just one carefully watched connection back to the rest of the cluster. The special precautions m...
firewall machine3 is even a complete {iron box} keyable to particular incoming IDs or activity patterns. Syn. {flytrap}, {Venus flytrap}.
fireworks mode is n. The mode a machine is sometimes said to be in when it is performing a {crash and burn} operation.
firmy is /fer'mee/ Syn. {stiffy} (a 3.5-inch floppy disk).
fish is [Adelaide University, Australia] n. 1. Another metasyntactic variable. See {foo}. Derived originally from the Monty Python skit in the middle of "The Meaning of Life" entitled "Find the Fish". 2. A pun for `microfiche'. A microfich...
FISH queue is [acronym, by analogy with FIFO (First In, First Out)] n. `First In, Still Here'. A joking way of pointing out that processing of a particular sequence of events or requests has stopped dead. Also `FISH mode' and `FISHnet'; the ...
factpacks/jargon-split.fact view on Meta::CPAN
frob2 is {frobnicate}. 3. [from the {MUD} world] A command on some MUDs that changes a player's experience level (this can be used to make wizards); also, to request {wizard} privileges on the `professional courtesy' grounds that one is a w...
frobnicate is /frob'ni-kayt/ vt. [Poss. derived from {frobnitz}, and usually abbreviated to {frob}, but `frobnicate' is recognized as the official full form.] To manipulate or adjust, to tweak. One frequently frobs bits or other 2-state device...
frobnicate2 is (that is, flip it), but also "Stop frobbing that clasp; you'll break it". One also sees the construction `to frob a frob'. See {tweak} and {twiddle}. Usage frob, twiddle, and tweak sometimes connote points along a continuum....
frobnicate3 is `twiddle' connotes gross manipulation, often a coarse search for a proper setting; `tweak' connotes fine-tuning. If someone is turning a knob on an oscilloscope, then if he's carefully adjusting it, he is probably tweaking it; ...
frobnicate4 is screen, he is probably twiddling it; but if he's just doing it because turning a knob is fun, he's frobbing it. The variant `frobnosticate' has been recently reported.
frobnitz is /frob'nits/, pl. `frobnitzem' /frob'nit-zm/ or `frobni' /frob'ni/ n. An unspecified physical object, a widget. Also refers to electronic black boxes. This rare form is usually abbreviated to `frotz', or more commonly to {frob}. ...
frobnitz2 is `frobule' (/frob'yool/). Starting perhaps in 1979, `frobozz' /fruh-boz'/ (plural `frobbotzim' /fruh-bot'zm/) has also become very popular, largely through its exposure as a name via {Zork}. These can also be applied to nonphys...
frog is alt. `phrog' 1. interj. Term of disgust (we seem to have a lot of them). 2. Used as a name for just about anything. See {foo}. 3. n. Of things, a crock. 4. n. Of people, somewhere in between a turkey and a toad. 5. `froggy' adj. S...
frog2 is milder. "This froggy program is taking forever to run!"front end n. 1. An intermediary computer that does set-up and filtering for another (usually more powerful but less friendly) machine (a `back end'). 2. What you're talking to w...
frog3 is is making replies without paying attention. "Look at the dancing elephants!" "Uh-huh." "Do you know what I just said?" "Sorry, you were talking to the front end." See also {fepped out}. 3. Software that provides an interface to...
frog4 is as user-friendly. Probably from analogy with hardware front-ends (see sense 1) that interfaced with mainframes.
frotz is /frots/ 1. n. See {frobnitz}. 2. `mumble frotz' An interjection of very mild disgust.
frotzed is /frotst/ adj. {down} because of hardware problems. Compare {fried}. A machine that is merely frotzed may be fixable without replacing parts, but a fried machine is more seriously damaged.
frowney is n. (alt. `frowney face') See {emoticon}.
fry is 1. vi. To fail. Said especially of smoke-producing hardware failures. More generally, to become non-working. Usage never said of software, only of hardware and humans. See {fried}, {magic smoke}. 2. vt. To cause to fail; to {roach}...
fry2 is Never used of software or humans, but compare {fried}.
FTP is /F-T-P/, *not* /fit'ip/ 1. [techspeak] n. The File Transfer Protocol for transmitting files between systems on the Internet. 2. vt. To {beam} a file using the File Transfer Protocol. 3. Sometimes used as a generic even for file transf...
FTP2 is `Wuthering Heights' ftp'd from uunet."
FUBAR is n. The Failed UniBus Address Register in a VAX. A good example of how jargon can occasionally be snuck past the {suit}s; see {foobar}.
fuck me harder is excl. Sometimes uttered in response to egregious misbehavior, esp. in software, and esp. of misbehaviors which seem unfairly persistent (as though designed in by the imp of the perverse). Often theatrically elaborated "Aiigh...
fuck me harder2 is curare-tipped wrought-iron fence *and no lubricants*!" The phrase is sometimes heard abbreviated `FMH' in polite company. [This entry is an extreme example of the hackish habit of coining elaborate and evocative terms for ...
fuck me harder3 is parody of mainstream expletives that has become a running gag in part of the hacker culture; it illustrates the hackish tendency to turn any situation, even one of extreme frustration, into an intellectual game (the point be...
fuck me harder4 is long-winded description of the most anatomically absurd mental image possible --- the short forms implicitly allude to all the ridiculous long forms ever spoken). Scatological language is actually relatively uncommon among ...
fuck me harder5 is whether this entry ought to be included at all. As it reflects a live usage recognizably peculiar to the hacker culture, we feel it is in the hackish spirit of truthfulness and opposition to all forms of censorship to rec...
FUD is /fuhd/ n. Defined by Gene Amdahl after he left IBM to found his own company "FUD is the fear, uncertainty, and doubt that IBM sales people instill in the minds of potential customers who might be considering [Amdahl] products." The ide...
FUD2 is with safe IBM gear rather than with competitors' equipment. This was traditionally done by promising that Good Things would happen to people who stuck with IBM, but Dark Shadows loomed over the future of competitors' equipment or so...
FUD wars is /fuhd worz/ n. [from {FUD}] Political posturing engaged in by hardware and software vendors ostensibly committed to standardization but actually willing to fragment the market to protect their own shares. The UNIX International vs...
fudge is 1. vt. To perform in an incomplete but marginally acceptable way, particularly with respect to the writing of a program. "I didn't feel like going through that pain and suffering, so I fudged it --- I'll fix it later." 2. n. The res...
fudge factor is n. A value or parameter that is varied in an ad hoc way to produce the desired result. The terms `tolerance' and {slop} are also used, though these usually indicate a one-sided leeway, such as a buffer that is made larger than...
fudge factor2 is how large it needs to be, and it is better to waste a little space than to lose completely for not having enough. A fudge factor, on the other hand, can often be tweaked in more than one direction. A good example is the `fuz...
fudge factor3 is calculations two numbers being compared for equality must be allowed to differ by a small amount; if that amount is too small, a computation may never terminate, while if it is too large, results will be needlessly inaccurate....
fudge factor4 is incorrectly by programmers who don't fully understand their import. See also {coefficient of X}.
fuel up is vi. To eat or drink hurriedly in order to get back to hacking. "Food-p?" "Yeah, let's fuel up." "Time for a {great-wall}!" See also {{oriental food}}.
fuggly is /fuhg'lee/ adj. Emphatic form of {funky}; funky + ugly). Unusually for hacker jargon, this may actually derive from black street-jive. To say it properly, the first syllable should be growled rather than spoken. Usage humorous. "...
fuggly2 is that printer driver is *fuggly*." See also {wonky}.
funky is adj. Said of something that functions, but in a slightly strange, klugey way. It does the job and would be difficult to change, so its obvious non-optimality is left alone. Often used to describe interfaces. The more bugs something...
funky2 is workarounds are easier, the funkier it is. {TECO} and UUCP are funky. The Intel i860's exception handling is extraordinarily funky. Most standards acquire funkiness as they age. "The new mailer is installed, but is still somewhat ...
funky3 is try resubmitting it." "This UART is pretty funky. The data ready line is active-high in interrupt mode and active-low in DMA mode." See {fuggly}.
funny money is n. 1. Notional `dollar' units of computing time and/or storage handed to students at the beginning of a computer course; also called `play money' or `purple money' (in implicit opposition to real or `green' money). When your fu...
funny money2 is you needed to go to a professor to get more. Fortunately, the plunging cost of timesharing cycles has made this less common. The amounts allocated were almost invariably too small, even for the non-hackers who wanted to slide...
funny money3 is practice led to small-scale black markets in bootlegged computer accounts. 2. By extension, phantom money or quantity tickets of any kind used as a resource-allocation hack within a system. Antonym `real money'.
fuzzball is [TCP/IP hackers] n. A DEC LSI-11 running a particular suite of homebrewed software written by Dave Mills and assorted co-conspirators, used in the early 1980s for Internet protocol testbedding and experimentation. These were used ...
fuzzball2 is 56KB-line days; a few are still active on the Internet as of early 1991, doing odd jobs such as network time service.*G [SI] pref.,suff. See {{quantifiers}}.
gabriel is /gay'bree-*l/ [for Dick Gabriel, SAIL LISP hacker and volleyball fanatic] n. An unnecessary (in the opinion of the opponent) stalling tactic, e.g., tying one's shoelaces or combing one's hair repeatedly, asking the time, etc. Also ...
gabriel2 is tactics. Also, `pulling a Gabriel', `Gabriel mode'.
gag is vi. Equivalent to {choke}, but connotes more disgust. "Hey, this is FORTRAN code. No wonder the C compiler gagged." See also {barf}.
gang bang is n. The use of large numbers of loosely coupled programmers in an attempt to wedge a great many features into a product in a short time. Though there have been memorable gang bangs (e.g., that over-the-weekend assembler port menti...
gang bang2 is perpetrated by large companies trying to meet deadlines and produce enormous buggy masses of code entirely lacking in {orthogonal}ity. When market-driven managers make a list of all the features the competition has and assign ...
gang bang3 is miss the importance of maintaining a coherent design. See also {firefighting}, {Mongolian Hordes technique}, {Conway's Law}.
garbage collect is vi. (also `garbage collection', n.) See {GC}.
garply is /gar'plee/ [Stanford] n. Another meta-syntactic variable (see {foo}); once popular among SAIL hackers.
gas is [as in `gas chamber'] 1. interj. A term of disgust and hatred, implying that gas should be dispensed in generous quantities, thereby exterminating the source of irritation. "Some loser just reloaded the system for no reason! Gas!" 2....
gas2 is something ought to be flushed out of mercy. "The system's getting {wedged} every few minutes. Gas!" 3. vt. To {flush} (sense 1). "You should gas that old crufty software." 4. [IBM] n. Dead space in nonsequentially organized file...
gas3 is deleted; the compression operation that removes it is called `degassing' (by analogy, perhaps, with the use of the same term in vacuum technology). 5. [IBM] n. Empty space on a disk that has been clandestinely allocated against futu...
gaseous is adj. Deserving of being {gas}sed. Disseminated by Geoff Goodfellow while at SRI; became particularly popular after the Moscone-Milk killings in San Francisco, when it was learned that the defendant Dan White (a politician who had s...
gaseous2 is chamber under Proposition 7 if convicted of first-degree murder (he was eventually convicted of manslaughter).
GC is /G-C/ [from LISP terminology; `Garbage Collect'] 1. vt. To clean up and throw away useless things. "I think I'll GC the top of my desk today." When said of files, this is equivalent to {GFR}. 2. vt. To recycle, reclaim, or put to an...
GC2 is garbage collector process. `Garbage collection' is computer-science jargon for a particular class of strategies for dynamically reallocating computer memory. One such strategy involves periodically scanning all the data in memory an...
GC3 is useless data items are then discarded so that the memory they occupy can be recycled and used for another purpose. Implementations of the LISP language usually use garbage collection. In jargon, the full phrase is sometimes heard but...
GC4 is it is shorter. Note that there is an ambiguity in usage that has to be resolved by context "I'm going to garbage-collect my desk" usually means to clean out the drawers, but it could also mean to throw away or recycle the desk itself...
GCOS is /jee'kohs/ n. A {quick-and-dirty} {clone} of System/360 DOS that emerged from GE around 1970; originally called GECOS (the General Electric Comprehensive Operating System). Later kluged to support primitive timesharing and transaction...
GCOS2 is computer division by Honeywell, the name was changed to General Comprehensive Operating System (GCOS). Other OS groups at Honeywell began referring to it as `God's Chosen Operating System', allegedly in reaction to the GCOS crowd's ...
GCOS3 is superiority of their product. All this might be of zero interest, except for two facts (1) The GCOS people won the political war, and this led in the orphaning and eventual death of Honeywell {{Multics}}, and (2) GECOS/GCOS left on...
GCOS4 is systems at Bell Labs were GCOS machines for print spooling and various other services; the field added to `/etc/passwd' to carry GCOS ID information was called the `GECOS field' and survives today as the `pw_gecos' member used for the...
GCOS5 is information. GCOS later played a major role in keeping Honeywell a dismal also-ran in the mainframe market, and was itself ditched for UNIX in the late 1980s when Honeywell retired its aging {big iron} designs.
GECOS is /jee'kohs/ n. See {{GCOS}}.
gedanken is /g*-don'kn/ adj. Ungrounded; impractical; not well-thought-out; untried; untested. `Gedanken' is a German word for `thought'. A thought experiment is one you carry out in your head. In physics, the term `gedanken experiment' is ...
gedanken2 is impractical to carry out, but useful to consider because you can reason about it theoretically. (A classic gedanken experiment of relativity theory involves thinking about a man in an elevator accelerating through space.) Gedank...
gedanken3 is but you have to be careful. It's too easy to idealize away some important aspect of the real world in contructing your `apparatus'. Among hackers, accordingly, the word has a pejorative connotation. It is said of a project, espe...
gedanken4 is research, that is written up in grand detail (typically as a Ph.D. thesis) without ever being implemented to any great extent. Such a project is usually perpetrated by people who aren't very good hackers or find programming dista...
gedanken5 is thesis' is usually marked by an obvious lack of intuition about what is programmable and what is not, and about what does and does not constitute a clear specification of an algorithm. See also {AI-complete}, {DWIM}.
geef is v. [ostensibly from `gefingerpoken'] vt. Syn. {mung}. See also {blinkenlights}.
geek out is vi. To temporarily enter techno-nerd mode while in a non-hackish context, for example at parties held near computer equipment. Especially used when you need to do something highly technical and don't have time to explain "Pardon m...
gen is /jen/ n.,v. Short for {generate}, used frequently in both spoken and written contexts.
gender mender is n. A cable connector shell with either two male or two female connectors on it, used to correct the mismatches that result when some {loser} didn't understand the RS232C specification and the distinction between DTE and DCE. ...
gender mender2 is original D-25 or the IBM PC's bogus D-9 format. Also called `gender bender', `gender blender', `sex changer', and even `homosexual adapter'; however, there appears to be some confusion as to whether a `male homosexual adapter...
gender mender3 is on both sides (connects two males).
General Public Virus is n. Pejorative name for some versions of the {GNU} project {copyleft} or General Public License (GPL), which requires that any tools or {app}s incorporating copylefted code must be source-distributed on the same counter-...
General Public Virus2 is alleged that the copyleft `infects' software generated with GNU tools, which may in turn infect other software that reuses any of its code. The Free Software Foundation's official position as of January 1991 is that c...
General Public Virus3 is "programs textually incorporating significant amounts of GNU code", and that the `infection' is not passed on to third parties unless actual GNU source is transmitted (as in, for example, use of the Bison parser skelet...
General Public Virus4 is the {copyleft} language is `boobytrapped' has caused many developers to avoid using GNU tools and the GPL. Recent (July 1991) changes in the language of the version 2.00 language may eliminate this problem.
generate is vt. To produce something according to an algorithm or program or set of rules, or as a (possibly unintended) side effect of the execution of an algorithm or program. The opposite of {parse}. This term retains its mechanistic conn...
generate2 is of human behavior. "The guy is rational most of the time, but mention nuclear energy around him and he'll generate {infinite} flamage."
gensym is /jen'sim/ [from MacLISP for `generated symbol'] 1. v. To invent a new name for something temporary, in such a way that the name is almost certainly not in conflict with one already in use. 2. n. The resulting name. The canonical f...
gensym2 is represents a number; any LISP hacker would recognize G0093 (for example) as a gensym. 3. A freshly generated data structure with a gensymmed name. These are useful for storing or uniquely identifying crufties (see {cruft}).
Get a life! is imp. Hacker-standard way of suggesting that the person to whom you are speaking has succumbed to terminal geekdom (see {computer geek}). Often heard on {USENET}, esp. as a way of suggesting that the target is taking some obscur...
Get a life!2 is exhortation was popularized by William Shatner on a "Saturday Night Live" episode in a speech that ended "Get a *life*!", but some respondents believe it to have been in use before then.
Get a real computer! is imp. Typical hacker response to news that somebody is having trouble getting work done on a system that (a) is single-tasking, (b) has no hard disk, or (c) has an address space smaller than 4 megabytes. This is as of m...
Get a real computer!2 is computer' rises with time, and it may well be (for example) that machines with character-only displays will be generally considered `unreal' in a few years (GLS points out that they already are in some circles). See {...
GFR is /G-F-R/ vt. [ITS] From `Grim File Reaper', an ITS and Lisp Machine utility. To remove a file or files according to some program-automated or semi-automatic manual procedure, especially one designed to reclaim mass storage space or redu...
GFR2 is actually moved files to tape). Often generalized to pieces of data below file level. "I used to have his phone number, but I guess I {GFR}ed it." See also {prowler}, {reaper}. Compare {GC}, which discards only provably worthless ...
gig is /jig/ or /gig/ [SI] n. See {{quantifiers}}.
giga- is /ji'ga/ or /gi'ga/ [SI] pref. See {{quantifiers}}.
GIGO is /gi'goh/ [acronym] 1. `Garbage In, Garbage Out' --- usually said in response to {luser}s who complain that a program didn't complain about faulty data. Also commonly used to describe failures in human decision making due to faulty, in...
GIGO2 is In, Gospel Out' this more recent expansion is a sardonic comment on the tendency human beings have to put excessive trust in `computerized' data.
gillion is /gil'y*n/ or /jil'y*n/ [formed from {giga-} by analogy with mega/million and tera/trillion] n. 10^9. Same as an American billion or a British `milliard'. How one pronounces this depends on whether one speaks {giga-} with a hard or ...
GIPS is /gips/ or /jips/ [analogy with {MIPS}] n. Giga-Instructions per Second (also possibly `Gillions of Instructions per Second'; see {gillion}). In 1991, this is used of only a handful of highly parallel machines, but this is expected t...
glark is /glark/ vt. To figure something out from context. "The System III manuals are pretty poor, but you can generally glark the meaning from context." Interestingly, the word was originally `glork'; the context was "This gubblick contain...
glark2 is the overall pluggandisp can be glorked [sic] from context" (David Moser, quoted by Douglas Hofstadter in his "Metamagical Themas" column in the January 1981 `Scientific American'). It is conjectured that hackish usage mutated the ve...
glark3 is established jargon term. Compare {grok}, {zen}.
glass is [IBM] n. Synonym for {silicon}.
glass tty is /glas T-T-Y/ or /glas ti'tee/ n. A terminal that has a display screen but which, because of hardware or software limitations, behaves like a teletype or some other printing terminal, thereby combining the disadvantages of both lik...
glass tty2 is display hacks, and like a display terminal, it doesn't produce hard copy. An example is the early `dumb' version of Lear-Siegler ADM 3 (without cursor control). See {tube}, {tty}. See appendix A for an interesting true story...
glassfet is /glas'fet/ [by analogy with MOSFET, the acronym for `Metal-Oxide-Semiconductor Field-Effect Transistor'] n. Syn. {firebottle}, a humorous way to refer to a vacuum tube.
glitch is /glich/ [from German `glitschen' to slip, via Yiddish `glitshen', to slide or skid] 1. n. A sudden interruption in electric service, sanity, continuity, or program function. Sometimes recoverable. An interruption in electric service...
glitch2 is This is of grave concern because it usually crashes all the computers. In jargon, though, a hacker who got to the middle of a sentence and then forgot how he or she intended to complete it might say, "Sorry, I just glitched". 2....
glitch3 is [Stanford] To scroll a display screen, esp. several lines at a time. {{WAITS}} terminals used to do this in order to avoid continuous scrolling, which is distracting to the eye. 4. obs. Same as {magic cookie}, sense 2. All the...
glitch4 is technical meaning the term has to hardware people. If the inputs of a circuit change, and the outputs change to some {random} value for some very brief time before they settle down to the correct value, then that is called a glit...
glitch5 is depending on what the circuit is connected to. This term is techspeak, found in electronics texts.
glob is /glob/, *not* /glohb/ [UNIX] vt.,n. To expand special characters in a wildcarded name, or the act of so doing (the action is also called `globbing'). The UNIX conventions for filename wildcarding have become sufficiently pervasive tha...
glob2 is English, especially in email or news on technical topics. Those commonly encountered include the following * wildcard for any string (see also {UN*X}) ? wildcard for any character (generally read this way only...
glob3 is a word) [] delimits a wildcard matching any of the enclosed characters {} alternation of comma-separated alternatives; thus, `foo{baz,qux}' would be read as `foobaz' or `fooqux' Some examples "He said hi...
glob4 is "I don't read talk.politics.*" (any of the talk.politics subgroups on {USENET}). Other examples are given under the entry for {X}. Compare {regexp}. Historical note The jargon usage derives from `glob', the name of a subprogram th...
glob5 is versions of the UNIX shell.
glork is /glork/ 1. interj. Term of mild surprise, usually tinged with outrage, as when one attempts to save the results of 2 hours of editing and finds that the system has just crashed. 2. Used as a name for just about anything. See {foo}. ...
glork2 is used reflexively. "My program just glorked itself." See also {glark}.
glue is n. Generic term for any interface logic or protocol that connects two component blocks. For example, {Blue Glue} is IBM's SNA protocol, and hardware designers call anything used to connect large VLSI's or circuit blocks `glue logic'.
gnarly is /nar'lee/ adj. Both {obscure} and {hairy} in the sense of complex. "{Yow}! --- the tuned assembler implementation of BitBlt is really gnarly!" From a similar but less specific usage in surfer slang.
GNU is /gnoo/, *not* /noo/ 1. [acronym `GNU's Not UNIX!', see {{recursive acronym}}] A UNIX-workalike development effort of the Free Software Foundation headed by Richard Stallman (rms@gnu.ai.mit.edu). GNU EMACS and the GNU C compiler, two to...
GNU2 is very popular in hackerdom and elsewhere. The GNU project was designed partly to proselytize for RMS's position that information is community property and all software source should be shared. One of its slogans is "Help stamp out s...
GNU3 is controversial (because it implicitly denies any right of designers to own, assign, and sell the results of their labors), many hackers who disagree with RMS have nevertheless cooperated to produce large amounts of high-quality softwa...
factpacks/jargon-split.fact view on Meta::CPAN
green lightning2 is That, it certainly does. Later microprocessor-driven IBM color graphics displays were actually *programmed* to produce green lightning! 2. [proposed] Any bug perverted into an alleged feature by adroit rationalization or ...
green lightning3 is the 88000 architecture `compatibility logic', but I call it green lightning". See also {feature}.
green machine is n. A computer or peripheral device that has been designed and built to military specifications for field equipment (that is, to withstand mechanical shock, extremes of temperature and humidity, and so forth). Comes from the o...
Green's Theorem is [TMRC] prov. For any story, in any group of people there will be at least one person who has not heard the story. [The name of this theorem is a play on a fundamental theorem in calculus. --- ESR]
grep is /grep/ [from the qed/ed editor idiom g/re/p , where re stands for a regular expression, to Globally search for the Regular Expression and Print the lines containing matches to it, via {{UNIX}} `grep(1)'] vt. To rapidly scan a file or f...
grep2 is pattern. By extension, to look for something by pattern. "Grep the bulletin board for the system backup schedule, would you?" See also {vgrep}.
grind is vt. 1. [MIT and Berkeley] To format code, especially LISP code, by indenting lines so that it looks pretty. This usage was associated with the MacLISP community and is now rare; {prettyprint} was and is the generic term for such op...
grind2 is version of a document from the nroff, troff, TeX, or Scribe source. The BSD program `vgrind(1)' grinds code for printing on a Versatec bitmapped printer. 3. To run seemingly interminably, esp. (but not necessarily) if performing ...
grind3 is Similar to {crunch} or {grovel}. Grinding has a connotation of using a lot of CPU time, but it is possible to grind a disk, network, etc. See also {hog}. 4. To make the whole system slow. "Troff really grinds a PDP-11." 5. `grin...
grind crank is n. A mythical accessory to a terminal. A crank on the side of a monitor, which when operated makes a zizzing noise and causes the computer to run faster. Usually one does not refer to a grind crank out loud, but merely makes t...
grind crank2 is {grind} and {wugga wugga}. Historical note At least one real machine actually had a grind crank --- the R1, a research machine built toward the end of the days of the great vacuum tube computers, in 1959. R1 (also known as `...
grind crank3 is as `The Rice University Computer' (TRUC)) had a single-step/free-run switch for use when debugging programs. Since single-stepping through a large program was rather tedious, there was also a crank with a cam and gear arrang...
grind crank4 is button. This allowed one to `crank' through a lot of code, then slow down to single-step for a bit when you got near the code of interest, poke at some registers using the console typewriter, and then keep on cranking.
gritch is /grich/ 1. n. A complaint (often caused by a {glitch}). 2. vi. To complain. Often verb-doubled "Gritch gritch". 3. A synonym for {glitch} (as verb or noun).
grok is /grok/, var. /grohk/ [from the novel `Stranger in a Strange Land', by Robert A. Heinlein, where it is a Martian word meaning literally `to drink' and metaphorically `to be one with'] vt. 1. To understand, usually in a global sense. Co...
grok2 is Contrast {zen}, similar supernal understanding as a single brief flash. See also {glark}. 2. Used of programs, may connote merely sufficient understanding. "Almost all C compilers grok the `void' type these days."
gronk is /gronk/ [popularized by Johnny Hart's comic strip "B.C." but the word apparently predates that] vt. 1. To clear the state of a wedged device and restart it. More severe than `to {frob}'. 2. [TMRC] To cut, sever, smash, or similarl...
gronk2 is diskette drives. In particular, the microfloppies on a Commodore Amiga go "grink, gronk".
gronk out is vi. To cease functioning. Of people, to go home and go to sleep. "I guess I'll gronk out now; see you all tomorrow."
gronked is adj. 1. Broken. "The teletype scanner was gronked, so we took the system down." 2. Of people, the condition of feeling very tired or (less commonly) sick. "I've been chasing that bug for 17 hours now and I am thoroughly gronked!"...
gronked2 is same as {gronk} used of hardware, but connotes depression or mental/emotional problems in people.
grovel is vi. 1. To work interminably and without apparent progress. Often used transitively with `over' or `through'. "The file scavenger has been groveling through the file directories for 10 minutes now." Compare {grind} and {crunch}. Em...
grovel2 is examine minutely or in complete detail. "The compiler grovels over the entire source program before beginning to translate it." "I grovelled through all the documentation, but I still couldn't find the command I wanted."
grunge is /gruhnj/ n. 1. That which is grungy, or that which makes it so. 2. [Cambridge] Code which is inaccessible due to changes in other parts of the program. The preferred term in North America is {dead code}.
gubbish is /guhb'*sh/ [a portmanteau of `garbage' and `rubbish'?] n. Garbage; crap; nonsense. "What is all this gubbish?" The opposite portmanteau `rubbage' is also reported.
guiltware is /gilt'weir/ n. 1. A piece of {freeware} decorated with a message telling one how long and hard the author worked on it and intimating that one is a no-good freeloader if one does not immediately send the poor suffering martyr gobs...
gumby is /guhm'bee/ [from a class of Monty Python characters, poss. themselves named after the 1960s claymation character] n. An act of minor but conspicuous stupidity, often in `gumby maneuver' or `pull a gumby'.
gun is [ITS from the `GUN' command] vt. To forcibly terminate a program or job (computer, not career). "Some idiot left a background process running soaking up half the cycles, so I gunned it." Compare {can}.
gunch is /guhnch/ [TMRC] vt. To push, prod, or poke at a device that has almost produced the desired result. Implies a threat to {mung}.
gurfle is /ger'fl/ interj. An expression of shocked disbelief. "He said we have to recode this thing in FORTRAN by next week. Gurfle!" Compare {weeble}.
guru is n. 1. [UNIX] An expert. Implies not only {wizard} skill but also a history of being a knowledge resource for others. Less often, used (with a qualifier) for other experts on other systems, as in `VMS guru'. See {source of all good b...
guru2 is UNIX. When the system crashes, a cryptic message "GURU MEDITATION #XXXXXXXX.YYYYYYYY" appears, indicating what the problem was. An Amiga guru can figure things out from the numbers. Generally a {guru} event must be followed by a ...
guru3 is A method of `marking' common words, i.e., calling attention to the fact that they are being used in a nonstandard, ironic, or humorous way. Originated in the fannish catchphrase "Bheer is the One True Ghod!" from decades ago. H-inf...
guru4 is into the 1960s counterculture via underground comix, and into early hackerdom either from the counterculture or from SF fandom (the three overlapped heavily at the time). More recently, the h infix has become an expected feature of...
guru5 is etc.); this is prob. patterning on the original Whetstone (the name of a laboratory) but influenced by the fannish/counterculture h infix.
ha ha only serious is [from SF fandom, orig. as mutation of HHOK, `Ha Ha Only Kidding'] A phrase (often seen abbreviated as HHOS) that aptly captures the flavor of much hacker discourse. Applied especially to parodies, absurdities, and ironic...
ha ha only serious2 is to contain a possibly disquieting amount of truth, or truths that are constructed on in-joke and self-parody. This lexicon contains many examples of ha-ha-only-serious in both form and content. Indeed, the entirety of h...
ha ha only serious3 is ha-ha-only-serious by hackers themselves; to take it either too lightly or too seriously marks a person as an outsider, a {wannabee}, or in {larval stage}. For further enlightenment on this subject, consult any Zen mast...
hack is 1. n. Originally, a quick job that produces what is needed, but not well. 2. n. An incredibly good, and perhaps very time-consuming, piece of work that produces exactly what is needed. 3. vt. To bear emotionally or physically. "I can...
hack2 is something (typically a program). In an immediate sense "What are you doing?" "I'm hacking TECO." In a general (time-extended) sense "What do you do around here?" "I hack TECO." More generally, "I hack `foo'" is roughly equivalent...
hack3 is "I hack solid-state physics." 5. vt. To pull a prank on. See sense 2 and {hacker} (sense 5). 6. vi. To interact with a computer in a playful and exploratory rather than goal-directed way. "Whatcha up to?" "Oh, just hacking." 7...
hack4 is Constructions on this term abound. They include `happy hacking' (a farewell), `how's hacking?' (a friendly greeting among hackers) and `hack, hack' (a fairly content-free but friendly comment, often used as a temporary farewell). Fo...
hack5 is See also {neat hack}, {real hack}.
hack attack is [poss. by analogy with `Big Mac Attack' from ads for the McDonald's fast-food chain; the variant `big hack attack' is reported] n. Nearly synonymous with {hacking run}, though the latter more strongly implies an all-nighter.
hack mode is n. 1. What one is in when hacking, of course. 2. More specifically, a Zen-like state of total focus on The Problem that may be achieved when one is hacking (this is why every good hacker is part mystic). Ability to enter such co...
hack mode2 is wizardliness; it is one of the most important skills learned during {larval stage}. Sometimes amplified as `deep hack mode'. Being yanked out of hack mode (see {priority interrupt}) may be experienced as a physical shock, and ...
hack mode3 is little habituating. The intensity of this experience is probably by itself sufficient explanation for the existence of hackers, and explains why many resist being promoted out of positions where they can code. See also {cybersp...
hack mode4 is etiquette will appear quite odd to an observer unaware of the high value placed on hack mode. For example, if someone appears at your door, it is perfectly okay to hold up a hand (without turning one's eyes away from the screen)...
hack mode5 is type, and interact with the computer for quite some time before further acknowledging the other's presence (of course, he or she is reciprocally free to leave without a word). The understanding is that you might be in {hack mo...
hack mode6 is your head, and you dare not {swap} that context out until you have reached a good point to pause. See also {juggling eggs}.
hack on is vt. To {hack}; implies that the subject is some pre-existing hunk of code that one is evolving, as opposed to something one might {hack up}.
hack together is vt. To throw something together so it will work. Unlike `kluge together' or {cruft together}, this does not necessarily have negative connotations.
hack up is vt. To {hack}, but generally implies that the result is a hack in sense 1 (a quick hack). Contrast this with {hack on}. To `hack up on' implies a {quick-and-dirty} modification to an existing system. Contrast {hacked up}; compare ...
hack value is n. Often adduced as the reason or motivation for expending effort toward a seemingly useless goal, the point being that the accomplished goal is a hack. For example, MacLISP had features for reading and printing Roman numerals, ...
hack value2 is See {display hack} for one method of computing hack value, but this cannot really be explained. As a great artist once said of jazz "If you hafta ask, you ain't never goin' to find out."
hack-and-slay is v. (also `hack-and-slash') 1. To play a {MUD} or go mudding, especially with the intention of {berserking} for pleasure. 2. To undertake an all-night programming/hacking session, interspersed with stints of mudding as a chang...
hack-and-slay2 is academic network amongst students who worked nights and logged onto Essex University's MUDs during public-access hours (2 A.M. to 7 A.M.). Usually more mudding than work was done in these sessions.
hacked off is [analogous to `pissed off'] adj. Said of system administrators who have become annoyed, upset, or touchy owing to suspicions that their sites have been or are going to be victimized by crackers, or used for inappropriate, technic...
hacked off2 is activities. For example, having unreadable files in your home directory called `worm', `lockpick', or `goroot' would probably be an effective (as well as impressively obvious and stupid) way to get your sysadmin hacked off at y...
hacked up is adj. Sufficiently patched, kluged, and tweaked that the surgical scars are beginning to crowd out normal tissue (compare {critical mass}). Not all programs that are hacked become `hacked up'; if modifications are done with some e...
hacked up2 is maintainability, the software may emerge better for the experience. Contrast {hack up}.
hacker is [originally, someone who makes furniture with an axe] n. 1. A person who enjoys exploring the details of programmable systems and how to stretch their capabilities, as opposed to most users, who prefer to learn only the minimum neces...
hacker2 is (even obsessively) or who enjoys programming rather than just theorizing about programming. 3. A person capable of appreciating {hack value}. 4. A person who is good at programming quickly. 5. An expert at a particular program, ...
hacker3 is it; as in `a UNIX hacker'. (Definitions 1 through 5 are correlated, and people who fit them congregate.) 6. An expert or enthusiast of any kind. One might be an astronomy hacker, for example. 7. One who enjoys the intellectual...
hacker4 is circumventing limitations. 8. [deprecated] A malicious meddler who tries to discover sensitive information by poking around. Hence `password hacker', `network hacker'. See {cracker}. It is better to be described as a hacker by ...
hacker5 is Hackers consider themselves something of an elite (a meritocracy based on ability), though one to which new members are gladly welcome. There is thus a certain ego satisfaction to be had in identifying yourself as a hacker (but if ...
hacker6 is quickly be labeled {bogus}).
hacking run is [analogy with `bombing run' or `speed run'] n. A hack session extended long outside normal working times, especially one longer than 12 hours. May cause you to `change phase the hard way' (see {phase}).
Hacking X for Y is [ITS] n. The information ITS made publicly available about each user (the INQUIR record) was a sort of form in which the user could fill out fields. On display, two of these fields were combined into a project description o...
Hacking X for Y2 is `"Hacking perceptrons for Minsky"'). This form of description became traditional and has since been carried over to other systems with more general facilities for self-advertisement (such as UNIX {plan file}s).
Hackintosh is n. 1. An Apple Lisa that has been hacked into emulating a Macintosh (also called a `Mac XL'). 2. A Macintosh assembled from parts theoretically belonging to different models in the line.
hackish is /hak'ish/ adj. (also {hackishness} n.) 1. Said of something that is or involves a hack. 2. Of or pertaining to hackers or the hacker subculture. See also {true-hacker}.
hackishness is n. The quality of being or involving a hack. This term is considered mildly silly. Syn. {hackitude}.
hackitude is n. Syn. {hackishness}; this word is considered sillier.
hair is [back-formation from {hairy}] n. The complications that make something hairy. "Decoding {TECO} commands requires a certain amount of hair." Often seen in the phrase `infinite hair', which connotes extreme complexity. Also in `hairif...
hair2 is "GNUMACS Elisp encourages lusers to write complex editing modes." "Yeah, it's pretty hairiferous all right." (or just "Hair squared!")
hairy is adj. 1. Annoyingly complicated. "{DWIM} is incredibly hairy." 2. Incomprehensible. "{DWIM} is incredibly hairy." 3. Of people, high-powered, authoritative, rare, expert, and/or incomprehensible. Hard to explain except in context "...
hairy2 is nothing to worry about." See also {hirsute}.
HAKMEM is /hak'mem/ n. MIT AI Memo 239 (February 1972). A legendary collection of neat mathematical and programming hacks contributed by many people at MIT and elsewhere. (The title of the memo really is "HAKMEM", which is a 6-letterism for ...
HAKMEM2 is techniques, powerful theorems, or interesting unsolved problems, but most fall into the category of mathematical and computer trivia. Here is a sampling of the entries (with authors), slightly paraphrased Item 41 (Gene Salamin) T...
HAKMEM3 is than 2^18. Item 46 (Rich Schroeppel) The most *probable* suit distribution in bridge hands is 4-4-3-2, as compared to 4-3-3-3, which is the most *evenly* distributed. This is because the world likes to have unequal numbers a ther...
HAKMEM4 is the state of lowest energy, but in the state of lowest disordered energy. Item 81 (Rich Schroeppel) Count the magic squares of order 5 (that is, all the 5-by-5 arrangements of the numbers from 1 to 25 such that all rows, columns, ...
HAKMEM5 is There are about 320 million, not counting those that differ only by rotation and reflection. Item 154 (Bill Gosper) The myth that any given programming language is machine independent is easily exploded by computing the sum of pow...
HAKMEM6 is with sign +, you are on a sign-magnitude machine. If the result loops with period = 1 at -1, you are on a twos-complement machine. If the result loops with period greater than 1, including the beginning, you are on a ones-comple...
HAKMEM7 is period greater than 1, not including the beginning, your machine isn't binary --- the pattern should tell you the base. If you run out of memory, you are on a string or bignum system. If arithmetic overflow is a fatal error, som...
HAKMEM8 is to enforce machine independence. But the very ability to trap overflow is machine dependent. By this strategy, consider the universe, or, more precisely, algebra Let X = the sum of many powers of 2 = ...111111. Now add X to its...
HAKMEM9 is X = -1. Therefore algebra is run on a machine (the universe) that is two's-complement. Item 174 (Bill Gosper and Stuart Nelson) 21963283741 is the only number such that if you represent it on the {PDP-10} as both an integer and a...
HAKMEM10 is two representations are identical. Item 176 (Gosper) The "banana phenomenon" was encountered when processing a character string by taking the last 3 letters typed out, searching for a random occurrence of that sequence in the t...
HAKMEM11 is occurrence, typing it out, and iterating. This ensures that every 4-letter string output occurs in the original. The program typed BANANANANANANANA.... We note an ambiguity in the phrase, "the Nth occurrence of." In one sense...
HAKMEM12 is there are nine. The editing program TECO finds five. Thus it finds only the first ANA in BANANA, and is thus obligated to type N next. By Murphy's Law, there is but one NAN, thus forcing A, and thus a loop. An option to find ...
HAKMEM13 is it would require backing up N - 1 characters before seeking the next N-character string. Note This last item refers to a {Dissociated Press} implementation. See also {banana problem}. HAKMEM also contains some rather more compli...
HAKMEM14 is these examples show some of its fun flavor.
hakspek is /hak'speek/ n. A shorthand method of spelling found on many British academic bulletin boards and {talker system}s. Syllables and whole words in a sentence are replaced by single ASCII characters the names of which are phonetically s...
hakspek2 is are usually dropped. Hence, `for' becomes `4'; `two', `too', and `to' become `2'; `ck' becomes `k'. "Before I see you tomorrow" becomes "b4 i c u 2moro". First appeared in London about 1986, and was probably caused by the slow...
hakspek3 is operated on archaic machines with outdated operating systems and no standard methods of communication. Has become rarer since. See also {talk mode}.
hamster is n. 1. [Fairchild] A particularly slick little piece of code that does one thing well; a small, self-contained hack. The image is of a hamster happily spinning its exercise wheel. 2. [UK] Any item of hardware made by Amstrad, a com...
hand-hacking is n. 1. The practice of translating {hot spot}s from an {HLL} into hand-tuned assembler, as opposed to trying to coerce the compiler into generating better code. Both the term and the practice are becoming uncommon. See {tune},...
hand-hacking2 is 2. More generally, manual construction or patching of data sets that would normally be generated by a translation utility and interpreted by another program, and aren't really designed to be read or modified by humans.
handshaking is n. Hardware or software activity designed to start or keep two machines or programs in synchronization as they {do protocol}. Often applied to human activity; thus, a hacker might watch two people in conversation nodding their ...
handshaking2 is others' points and say "Oh, they're handshaking!". See also {protocol}.
handwave is [poss. from gestures characteristic of stage magicians] 1. v. To gloss over a complex point; to distract a listener; to support a (possibly actually valid) point with blatantly faulty logic. 2. n. The act of handwaving. "Boy, wha...
handwave2 is with "Clearly..." or "Obviously..." or "It is self-evident that...", it is a good bet he is about to handwave (alternatively, use of these constructions in a sarcastic tone before a paraphrase of someone else's argument suggests...
handwave3 is this term is that if you wave your hands at the right moment, the listener may be sufficiently distracted to not notice that what you have said is {bogus}. Failing that, if a listener does object, you might try to dismiss the obj...
handwave4 is this word is often accompanied by gestures both hands up, palms forward, swinging the hands in a vertical plane pivoting at the elbows and/or shoulders (depending on the magnitude of the handwave); alternatively, holding the forea...
handwave5 is at the wrist to make them flutter. In context, the gestures alone can suffice as a remark; if a speaker makes an outrageously unsupported assumption, you might simply wave your hands in this way, as an accusation, far more eloque...
hang is v. 1. To wait for an event that will never occur. "The system is hanging because it can't read from the crashed drive". See {wedged}, {hung}. 2. To wait for some event to occur; to hang around until something happens. "The program d...
hang2 is a character." Compare {block}. 3. To attach a peripheral device, esp. in the construction `hang off' "We're going to hang another tape drive off the file server." Implies a device attached with cables, rather than something that ...
Hanlon's Razor is prov. A corollary of {Finagle's Law}, similar to Occam's Razor, that reads "Never attribute to malice that which can be adequately explained by stupidity." The derivation of the common title Hanlon's Razor is unknown; a simi...
Hanlon's Razor2 is James. Quoted here because it seems to be a particular favorite of hackers, often showing up in {fortune cookie} files and the login banners of BBS systems and commercial networks. This probably reflects the hacker's daily...
Hanlon's Razor3 is well-intentioned but short-sighted people.
happily is adv. Of software, used to emphasize that a program is unaware of some important fact about its environment, either because it has been fooled into believing a lie, or because it doesn't care. The sense of `happy' here is not that ...
happily2 is ignorance. "The program continues to run, happily unaware that its output is going to /dev/null."
hard boot is n. See {boot}.
hardcoded is adj. 1. Said of data inserted directly into a program, where it cannot be easily modified, as opposed to data in some {profile}, resource (see {de-rezz} sense 2), or environment variable that a {user} or hacker can easily modify. ...
hardcoded2 is literal instead of a `#define' macro (see {magic number}).
hardwarily is /hard-weir'*-lee/ adv. In a way pertaining to hardware. "The system is hardwarily unreliable." The adjective `hardwary' is *not* traditionally used, though it has recently been reported from the U.K. See {softwarily}.
hardwired is adj. 1. In software, syn. for {hardcoded}. 2. By extension, anything that is not modifiable, especially in the sense of customizable to one's particular needs or tastes.
has the X nature is [seems to derive from Zen Buddhist koans of the form "Does an X have the Buddha-nature?"] adj. Common hacker construction for `is an X', used for humorous emphasis. "Anyone who can't even use a program with on-screen help ...
has the X nature2 is nature!" See also {the X that can be Y is not the true X}.
hash bucket is n. A notional receptacle into which more than one thing accessed by the same key or short code might be dropped. When you look up a name in the phone book (for example), you typically hash it by extracting its first letter; the ...
hash bucket2 is letter sections. This is used as techspeak with respect to code that uses actual hash functions; in jargon, it is used for human associative memory as well. Thus, two things `in the same hash bucket' may be confused with each...
factpacks/jargon-split.fact view on Meta::CPAN
lose lose is interj. A reply to or comment on an undesirable situation. "I accidentally deleted all my files!" "Lose, lose."
loser is n. An unexpectedly bad situation, program, programmer, or person. Someone who habitually loses. (Even winners can lose occasionally.) Someone who knows not and knows not that he knows not. Emphatic forms are `real loser', `total l...
loser2 is loser', which would be a contradiction in terms). See {luser}.
losing is adj. Said of anything that is or causes a {lose} or {lossage}.
loss is n. Something (not a person) that loses; a situation in which something is losing. Emphatic forms include `moby loss', and `total loss', `complete loss'. Common interjections are "What a loss!" and "What a moby loss!" Note that `mob...
loss2 is not used; applied to an abstract noun, moby is simply a magnifier, whereas when applied to a person it implies substance and has positive connotations. Compare {lossage}.
lossage is /los'*j/ n. The result of a bug or malfunction. This is a mass or collective noun. "What a loss!" and "What lossage!" are nearly synonymous. The former is slightly more particular to the speaker's present circumstances; the latt...
lossage2 is speaker is currently a victim. Thus (for example) a temporary hardware failure is a loss, but bugs in an important tool (like a compiler) are serious lossage.
lost in the noise is adj. Syn. {lost in the underflow}. This term is from signal processing, where signals of very small amplitude cannot be separated from low-intensity noise in the system. Though popular among hackers, it is not confined t...
lost in the noise2 is astronomers, and statisticians all use it.
lost in the underflow is adj. Too small to be worth considering; more specifically, small beyond the limits of accuracy or measurement. This is a reference to `floating underflow', a condition that can occur when a floating-point arithmetic p...
lost in the underflow2 is than its limit of magnitude. It is also a pun on `undertow' (a kind of fast, cold current that sometimes runs just offshore and can be dangerous to swimmers). "Well, sure, photon pressure from the stadium lights alte...
lost in the underflow3 is effect gets lost in the underflow." See also {overflow bit}.
lots of MIPS but no I/O is adj. Used to describe a person who is technically brilliant but can't seem to communicate with human beings effectively. Technically it describes a machine that has lots of processing power but is bottlenecked on in...
lots of MIPS but no I/O2 is RS/6000, is a notorious recent example).
low-bandwidth is [from communication theory] adj. Used to indicate a talk that, although not {content-free}, was not terribly informative. "That was a low-bandwidth talk, but what can you expect for an audience of {suit}s!" Compare {zero-con...
LPT is /L-P-T/ or /lip'it/ or /lip-it'/ [MIT, via DEC] n. Line printer, of course. Rare under UNIX, commoner in hackers with MS-DOS or CP/M background. The printer device is called `LPT' on those systems that, like ITS, were strongly infl...
lunatic fringe is [IBM] n. Customers who can be relied upon to accept release 1 versions of software.
lurker is n. One of the `silent majority' in a electronic forum; one who posts occasionally or not at all but is known to read the group's postings regularly. This term is not pejorative and indeed is casually used reflexively "Oh, I'm just l...
lurker2 is hypothetical audience for the group's {flamage}-emitting regulars.
luser is /loo'zr/ n. A {user}; esp. one who is also a {loser}. ({luser} and {loser} are pronounced identically.) This word was coined around 1975 at MIT. Under ITS, when you first walked up to a terminal at MIT and typed Control-Z to get the...
luser2 is status information, including how many people were already using the computer; it might print "14 users", for example. Someone thought it would be a great joke to patch the system to print "14 losers" instead. There ensued a grea...
luser3 is particularly want to be called losers to their faces every time they used the computer. For a while several hackers struggled covertly, each changing the message behind the back of the others; any time you logged into the computer ...
luser4 is or "losers". Finally, someone tried the compromise "lusers", and it stuck. Later one of the ITS machines supported `luser' as a request-for-help command. ITS died the death in mid-1990, except as a museum piece; the usage lives ...
luser5 is seen in program comments.*M [SI] pref. (on units) suff. (on numbers) See {{quantifiers}}.
macdink is /mak'dink/ [from the Apple Macintosh, which is said to encourage such behavior] vt. To make many incremental and unnecessary cosmetic changes to a program or file. Often the subject of the macdinking would be better off without the...
macdink2 is was still macdinking the slides for his presentation." See also {fritterware}.
machinable is adj. Machine-readable. Having the {softcopy} nature.
machoflops is /mach'oh-flops/ [pun on `megaflops', a coinage for `millions of FLoating-point Operations Per Second'] n. Refers to artificially inflated performance figures often quoted by computer manufacturers. Real applications are lucky to...
machoflops2 is mileage may vary}, {benchmark}.
Macintoy is /mak'in-toy/ n. The Apple Macintosh, considered as a {toy}. Less pejorative than {Macintrash}.
Macintrash is /mak'in-trash`/ n. The Apple Macintosh, as described by a hacker who doesn't appreciate being kept away from the *real computer* by the interface. The term {maggotbox} has been reported in regular use in the Research Triangle ar...
Macintrash2 is See also {beige toaster}, {WIMP environment}, {drool-proof paper}, {user-friendly}.
macro is /mak'roh/ [techspeak] n. A name (possibly followed by a formal {arg} list) that is equated to a text or symbolic expression to which it is to be expanded (possibly with the substitution of actual arguments) by a macro expander. This ...
macro2 is dictionary; what those won't tell you is how the hackish connotations of the term have changed over time. The term `macro' originated in early assemblers, which encouraged the use of macros as a structuring and information-hiding d...
macro3 is assemblers became ubiquitous, and sometimes quite as powerful and expensive as {HLL}s, only to fall from favor as improving compiler technology marginalized assembler programming (see {languages of choice}). Nowadays the term is m...
macro4 is preprocessor, LISP, or one of several special-purpose languages built around a macro-expansion facility (such as TeX or UNIX's [nt]roff suite). Indeed, the meaning has drifted enough that the collective `macros' is now sometimes us...
macro5 is application control language (whether or not the language is actually translated by text expansion), and for macro-like entities such as the `keyboard macros' supported in some text editors (and PC TSR or Macintosh INIT/CDEV keyboard...
macro- is pref. Large. Opposite of {micro-}. In the mainstream and among other technical cultures (for example, medical people) this competes with the prefix {mega-}, but hackers tend to restrict the latter to quantification.
macrology is /mak-rol'*-jee/ n. 1. Set of usually complex or crufty macros, e.g., as part of a large system written in {LISP}, {TECO}, or (less commonly) assembler. 2. The art and science involved in comprehending a macrology in sense 1. Som...
macrology2 is not unlike archeology, ecology, or {theology}, hence the sound-alike construction. See also {boxology}.
macrotape is /ma'kroh-tayp/ n. An industry-standard reel of tape, as opposed to a {microtape}.
maggotbox is /mag'*t-boks/ n. See {Macintrash}. This is even more derogatory.
magic is adj. 1. As yet unexplained, or too complicated to explain; compare {automagically} and (Arthur C.) Clarke's Third Law: "Any sufficiently advanced technology is indistinguishable from magic." "TTY echoing is controlled by a large numb...
magic2 is computes the parity of an 8-bit byte in three instructions." 2. Characteristic of something that works although no one really understands why (this is especially called {black magic}). 3. [Stanford] A feature not generally public...
magic3 is impossible, or a feature formerly in that category but now unveiled. Compare {black magic}, {wizardly}, {deep magic}, {heavy wizardry}. For more about hackish `magic', see appendix A.
magic cookie is [UNIX] n. 1. Something passed between routines or programs that enables the receiver to perform some operation; a capability ticket or opaque identifier. Especially used of small data objects that contain data encoded in a str...
magic cookie2 is E.g., on non-UNIX OSes with a non-byte-stream model of files, the result of `ftell(3)' may be a magic cookie rather than a byte offset; it can be passed to `fseek(3)', but not operated on in any meaningful way. The phrase ...
magic cookie3 is a result whose contents are not defined but which can be passed back to the same or some other program later. 2. An in-band code for changing graphic rendition (e.g., inverse video or underlining) or performing other contro...
magic cookie4 is leave a blank on the screen corresponding to mode-change magic cookies; this was also called a {glitch}. See also {cookie}.
magic number is [UNIX/C] n. 1. In source code, some non-obvious constant whose value is significant to the operation of a program and that is inserted inconspicuously in-line ({hardcoded}), rather than expanded in by a symbol set by a commente...
magic number2 is are bad style. 2. A number that encodes critical information used in an algorithm in some opaque way. The classic examples of these are the numbers used in hash or CRC functions, or the coefficients in a linear congruentia...
magic number3 is sense actually predates and was ancestral to the more common sense 1. 3. Special data located at the beginning of a binary data file to indicate its type to a utility. Under UNIX, the system and various applications program...
magic number4 is types of executable file by looking for a magic number. Once upon a time, these magic numbers were PDP-11 branch instructions that skipped over header data to the start of executable code; the 0407, for example, was octal for...
magic number5 is {wizard} knows the spells to create magic numbers. How do you choose a fresh magic number of your own? Simple --- you pick one at random. See? It's magic!
magic smoke is n. A substance trapped inside IC packages that enables them to function (also called `blue smoke'; this is similar to the archaic `phlogiston' hypothesis about combustion). Its existence is demonstrated by what happens when a c...
magic smoke2 is out, so it doesn't work any more. See {smoke test}, {let the smoke out}. USENETter Jay Maynard tells the following story: "Once, while hacking on a dedicated Z80 system, I was testing code by blowing EPROMs and plugging them...
magic smoke3 is One time, I plugged one in backwards. I only discovered that *after* I realized that Intel didn't put power-on lights under the quartz windows on the tops of their EPROMs --- the die was glowing white-hot. Amazingly, the EPRO...
magic smoke4 is full of zeros, then erased it again. For all I know, it's still in service. Of course, this is because the magic smoke didn't get let out." Compare the original phrasing of {Murphy's Law}.
main loop is n. Software tools are often written to perform some actions repeatedly on whatever input is handed to them, terminating when there is no more input or they are explicitly told to go away. In such programs, the loop that gets and p...
mainframe is n. This term originally referred to the cabinet containing the central processor unit or `main frame' of a room-filling {Stone Age} batch machine. After the emergence of smaller `minicomputer' designs in the early 1970s, the tr...
mainframe2 is as `mainframe computers' and eventually just as mainframes. The term carries the connotation of a machine designed for batch rather than interactive use, though possibly with an interactive timesharing operating system retrofi...
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...
factpacks/jargon-split.fact view on Meta::CPAN
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...
sacred2 is program would be interpreted by a hacker to mean that if any *other* part of the program changes the contents of register 7, dire consequences are likely to ensue.
saga is [WPI] n. A cuspy but bogus raving story about N random broken people.
sagan is /say'gn/ [from Carl Sagan's TV series "Cosmos"; think "billions and billions"] n. A large quantity of anything. "There's a sagan different ways to tweak EMACS." "The U.S. Government spends sagans on bombs and welfare --- hard to say ...
SAIL is /sayl/, not /S-A-I-L/ n. 1. Stanford Artificial Intelligence Lab. An important site in the early development of LISP; with the MIT AI Lab, BBN, CMU, and the UNIX community, one of the major wellsprings of technical innovation and hack...
SAIL2 is entry for details). The SAIL machines were officially shut down in late May 1990, scant weeks after the MIT AI Lab's ITS cluster was officially decommissioned. 2. The Stanford Artificial Intelligence Language used at SAIL (sense 1)...
SAIL3 is coroutining facility and some new data types intended for building search trees and association lists.
salescritter is /sayls'kri`tr/ n. Pejorative hackerism for a computer salesperson. Hackers tell the following joke Q. What's the difference between a used-car dealer and a computer salesman? A. The used-car dealer knows he's lying....
salescritter2 is that salescritters are self-selected for stupidity (after all, if they had brains and the inclination to use them, they'd be in programming). The terms `salesthing' and `salesdroid' are also common. Compare {marketroid}, {...
salsman is /salz'm*n/ v. To flood a mailing list or newsgroup with huge amounts of useless, trivial or redundant information. From the name of a hacker who has frequently done this on some widely distributed mailing lists.
salt mines is n. Dense quarters housing large numbers of programmers working long hours on grungy projects, with some hope of seeing the end of the tunnel in N years. Noted for their absence of sunshine. Compare {playpen}, {sandbox}.
salt substrate is [MIT] n. Collective noun used to refer to potato chips, pretzels, saltines, or any other form of snack food designed primarily as a carrier for sodium chloride. From the technical term `chip substrate', used to refer to the ...
salt substrate2 is of integrated circuits are deposited.
same-day service is n. Ironic term used to describe long response time, particularly with respect to {{MS-DOS}} system calls (which ought to require only a tiny fraction of a second to execute). Such response time is a major incentive for prog...
same-day service2 is {well-behaved}. See also {PC-ism}.
sandbender is [IBM] n. A person involved with silicon lithography and the physical design of chips. Compare {ironmonger}, {polygon pusher}.
sandbox is n. (or `sandbox, the') Common term for the R&D department at many software and computer companies (where hackers in commercial environments are likely to be found). Half-derisive, but reflects the truth that research is a form of c...
sanity check is n. 1. The act of checking a piece of code (or anything else, e.g., a USENET posting) for completely stupid mistakes. Implies that the check is to make sure the author was sane when it was written; e.g., if a piece of scientific...
sanity check2 is was giving unexpected results, one might first look at the nesting of parentheses or the coding of the formula, as a {sanity check}, before looking at the more complex I/O or data structure manipulation routines, much less the...
sanity check3 is 2. A run-time test, either validating input or ensuring that the program hasn't screwed up internally (producing an inconsistent value or state).
Saturday night special is [from police slang for a cheap handgun] n. A program or feature kluged together during off hours, under a deadline, and in response to pressure from a {salescritter}. Such hacks are dangerously unreliable, but all too...
say is vt. 1. To type to a terminal. "To list a directory verbosely, you have to say `ls -l'." Tends to imply a {newline}-terminated command (a `sentence'). 2. A computer may also be said to `say' things to you, even if it doesn't have a ...
say2 is terminal in response to your commands. Hackers find it odd that this usage confuses {mundane}s.
science-fiction fandom is n. Another voluntary subculture having a very heavy overlap with hackerdom; most hackers read SF and/or fantasy fiction avidly, and many go to `cons' (SF conventions) or are involved in fandom-connected activities suc...
science-fiction fandom2 is Some hacker jargon originated in SF fandom; see {defenestration}, {great-wall}, {cyberpunk}, {h}, {ha ha only serious}, {IMHO}, {mundane}, {neep-neep}, {Real Soon Now}. Additionally, the jargon terms {cowboy}, {cy...
science-fiction fandom3 is {virus}, {wetware}, {wirehead}, and {worm} originated in SF stories.
scram switch is [from the nuclear power industry] n. An emergency-power-off switch (see {Big Red Switch}), esp. one positioned to be easily hit by evacuating personnel. In general, this is *not* something you {frob} lightly; these often ini...
scram switch2 is and are installed in a {dinosaur pen} for use in case of electrical fire or in case some luckless {field servoid} should put 120 volts across himself while {Easter egging}.
scratch is 1. [from `scratchpad'] adj. Describes a data structure or recording medium attached to a machine for testing or temporary-use purposes; one that can be {scribble}d on without loss. Usually in the combining forms `scratch memory', ...
scratch2 is tape', `scratch volume'. See {scratch monkey}. 2. [primarily IBM] vt. To delete (as in a file).
scratch monkey is n. As in "Before testing or reconfiguring, always mount a {scratch monkey}", a proverb used to advise caution when dealing with irreplaceable data or devices. Used to refer to any scratch volume hooked to a computer during a...
scratch monkey2 is precious resource or data that might otherwise get trashed. This term preserves the memory of Mabel, the Swimming Wonder Monkey, star of a biological research program at the University of Toronto ca. 1986. Mabel was not (...
scratch monkey3 is university had spent years teaching her how to swim, breathing through a regulator, in order to study the effects of different gas mixtures on her physiology. Mabel suffered an untimely demise one day when DEC {PM}ed the PD...
scratch monkey4 is {provocative maintainance}). It is recorded that, after calming down an understandably irate customer sufficiently to ascertain the facts of the matter, a DEC troubleshooter called up the {field circus} manager responsible ...
scratch monkey5 is all the consequences to humans were so amusing; the sysop of the machine in question was nearly thrown in jail at the behest of certain clueless droids at the local `humane' society. The moral is clear When in doubt, always...
screw is [MIT] n. A {lose}, usually in software. Especially used for user-visible misbehavior caused by a bug or misfeature. This use has become quite widespread outside MIT.
screwage is /skroo'*j/ n. Like {lossage} but connotes that the failure is due to a designed-in misfeature rather than a simple inadequacy or a mere bug.
scribble is n. To modify a data structure in a random and unintentionally destructive way. "Bletch! Somebody's disk-compactor program went berserk and scribbled on the i-node table." "It was working fine until one of the allocation routines ...
scribble2 is {trash}; compare {mung}, which conveys a bit more intention, and {mangle}, which is more violent and final.
scrog is /skrog/ [Bell Labs] vt. To damage, trash, or corrupt a data structure. "The list header got scrogged." Also reported as `skrog', and ascribed to the comic strip "The Wizard of Id". Equivalent to {scribble} or {mangle}.
scrool is /skrool/ [from the pioneering Roundtable chat system in Houston ca. 1984; prob. originated as a typo for `scroll'] n. The log of old messages, available for later perusal or to help one get back in synch with the conversation. It was...
scrool2 is because an early version of the roundtable software had a bug where it would dump all 8K of scrool on a user's terminal.
scrozzle is /skroz'l/ vt. Used when a self-modifying code segment runs incorrectly and corrupts the running program or vital data. "The damn compiler scrozzled itself again!"
SCSI is [Small Computer System Interface] n. A bus-independent standard for system-level interfacing between a computer and intelligent devices. Typically annotated in literature with `sexy' (/sek'see/), `sissy' (/sis'ee/), and `scuzzy' (/sku...
SCSI2 is being the overwhelmingly predominant form, much to the dismay of the designers and their marketing people. One can usually assume that a person who pronounces it /S-C-S-I/ is clueless.
search-and-destroy mode is n. Hackerism for the search-and-replace facility in an editor, so called because an incautiously chosen match pattern can cause {infinite} damage.
second-system effect is n. (sometimes, more euphoniously, `second-system syndrome') When one is designing the successor to a relatively small, elegant, and successful system, there is a tendency to become grandiose in one's success and design ...
second-system effect2 is The term was first used by Fred Brooks in his classic `The Mythical Man-Month Essays on Software Engineering' (Addison-Wesley, 1975; ISBN 0-201-00650-2). It described the jump from a set of nice, simple operating sy...
second-system effect3 is 360 series. A similar effect can also happen in an evolving system; see {Brooks's Law}, {creeping elegance}, {creeping featurism}. See also {{Multics}}, {OS/2}, {X}, {software bloat}. This version of the jargon lex...
second-system effect4 is much truth for comfort) as an example of second-system effect run amok on jargon-1....
secondary damage is n. When a fatal error occurs (esp. a {segfault}) the immediate cause may be that a pointer has been trashed due to a previous {fandango on core}. However, this fandango may have been due to an *earlier* fandango, so no a...
secondary damage2 is the damage occurred. "The data structure was clobbered, but it was secondary damage." By extension, the corruption resulting from N cascaded fandangoes on core is `Nth-level damage'. There is at least one case on record...
secondary damage3 is actually dug up the underlying bug behind an instance of seventh-level damage! The hacker who accomplished this near-superhuman feat was presented with an award by his fellows.
security through obscurity is n. A name applied by hackers to most OS vendors' favorite way of coping with security holes --- namely, ignoring them and not documenting them and trusting that nobody will find out about them and that people who ...
security through obscurity2 is This never works for long and occasionally sets the world up for debacles like the {RTM} worm of 1988, but once the brief moments of panic created by such events subside most vendors are all too willing to turn o...
security through obscurity3 is fixing the bugs would siphon off the resources needed to implement the next user-interface frill on marketing's wish list --- and besides, if they started fixing security bugs customers might begin to *expect* it...
security through obscurity4 is merchantability gave them some sort of *right* to a system with fewer holes in it than a shotgunned Swiss cheese, and then where would we be? Historical note It is claimed (with dissent from {{ITS}} fans who sa...
security through obscurity5 is in a positive sense) that this term was first used in the USENET newsgroup in comp.sys.apollo during a campaign to get HP/Apollo to fix security problems in its UNIX-{clone} Aegis/DomainOS. They didn't change ...
SED is [TMRC, from `Light-Emitting Diode'] /S-E-D/ n. Smoke-emitting diode. A {friode} that lost the war. See {LER}.
segfault is n.,vi. Syn. {segment}, {seggie}.
seggie is /seg'ee/ [UNIX] n. Shorthand for {segmentation fault} reported from Britain.
segment is /seg'ment/ vi. To experience a {segmentation fault}. Confusingly, this is often pronounced more like the noun `segment' than like mainstream v. segment; this is because it is actually a noun shorthand that has been verbed.
segmentation fault is n. [UNIX] 1. An error in which a running program attempts to access memory not allocated to it and {core dump}s with a segmentation violation error. 2. To lose a train of thought or a line of reasoning. Also uttered as ...
segv is /seg'vee/ n.,vi. Yet another synonym for {segmentation fault} (actually, in this case, `segmentation violation').
self-reference is n. See {self-reference}.
selvage is /sel'v*j/ [from sewing] n. See {chad} (sense 1).
semi is /se'mee/ or /se'mi/ 1. n. Abbreviation for `semicolon', when speaking. "Commands to {grind} are prefixed by semi-semi-star" means that the prefix is `;;*', not 1/4 of a star. 2. A prefix used with words such as `immediately' as a q...
semi2 is "Semi-immediately." (That is, maybe not for an hour.) "We did consider that possibility semi-seriously." See also {infinite}.
semi-infinite is n. See {infinite}.
senior bit is [IBM] n. Syn. {meta bit}.
server is n. A kind of {daemon} that performs a service for the requester and which often runs on a computer other than the one on which the server runs. A particularly common term on the Internet, which is rife with `name servers', `domain s...
SEX is /seks/ [Sun Users' Group & elsewhere] n. 1. Software EXchange. A technique invented by the blue-green algae hundreds of millions of years ago to speed up their evolution, which had been terribly slow up until then. Today, SEX parties ...
SEX2 is course, these are no longer limited to exchanges of genetic software). In general, SEX parties are a {Good Thing}, but unprotected SEX can propagate a {virus}. See also {pubic directory}. 2. The rather Freudian mnemonic often used ...
SEX3 is the PDP-11 and many other architectures. DEC's engineers nearly got a PDP-11 assembler that used the `SEX' mnemonic out the door at one time, but (for once) marketing wasn't asleep and forced a change. That wasn't the last time th...
SEX4 is 8086 Primer', who was one of the original designers of the 8086, noted that there was originally a `SEX' instruction on that processor, too. He says that Intel management got cold feet and decreed that it be changed, and thus the in...
SEX5 is (depending on what was being extended). Amusingly, the Intel 8048 (the microcontroller used in IBM PC keyboards) is also missing straight `SEX' but has logical-or and logical-and instructions `ORL' and `ANL'. The Motorola 6809, used ...
SEX6 is actually had an official `SEX' instruction; the 6502 in the Apple II it competed with did not. British hackers thought this made perfect mythic sense; after all, it was commonly observed, you could have sex with a dragon, but you can'...
sex changer is n. Syn. {gender mender}.
shareware is /sheir'weir/ n. {Freeware} (sense 1) for which the author requests some payment, usually in the accompanying documentation files or in an announcement made by the software itself. Such payment may or may not buy additional suppor...
shelfware is /shelfweir/ n. Software purchased on a whim (by an individual user) or in accordance with policy (by a corporation or government agency), but not actually required for any particular use. Therefore, it often ends up on some shelf.
shell is [orig. {{Multics}} techspeak, widely propagated via UNIX] n. 1. [techspeak] The command interpreter used to pass commands to an operating system; so called because it is the part of the operating system that interfaces with the outsid...
shell2 is program that mediates access to a special resource or {server} for convenience, efficiency, or security reasons; for this meaning, the usage is usually `a shell around' whatever. This sort of program is also called a `wrapper'.
shell out is [UNIX] n. To spawn an interactive {subshell} from within a program (e.g., a mailer or editor). "Bang foo runs foo in a subshell, while bang alone shells out."
shift left logical is [from any of various machines' instruction sets] 1. vi. To move oneself to the left (right). To move out of the way. 2. imper. "Get out of that (my) seat! You can shift to that empty one to the left (right)." Often ...
shift left logical2 is instead of `shift left'. Sometimes heard as LSH /lish/, from the {PDP-10} instruction set. See {Programmer's Cheer}.
shitogram is /shit'oh-gram/ n. A *really* nasty piece of email. Compare {nastygram}, {flame}.
short card is n. A half-length IBM PC expansion card or adapter that will fit in one of the two short slots located towards the right rear of a standard chassis (tucked behind the floppy disk drives). See also {tall card}.
factpacks/jargon-split.fact view on Meta::CPAN
wave a dead chicken is v. To perform a ritual in the direction of crashed software or hardware that one believes to be futile but is nevertheless necessary so that others are satisfied that an appropriate degree of effort has been expended. "...
wave a dead chicken2 is code, but I really think we've run into an OS bug." Compare {voodoo programming}, {rain dance}.
weasel is n. [Cambridge] A na"ive user, one who deliberately or accidentally does things that are stupid or ill-advised. Roughly synonymous with {loser}.
wedged is [from a common description of recto-cranial inversion] adj. 1. To be stuck, incapable of proceeding without help. This is different from having crashed. If the system has crashed, then it has become totally non-functioning. If the...
wedged2 is something but cannot make progress; it may be capable of doing a few things, but not be fully operational. For example, a process may become wedged if it {deadlock}s with another (but not all instances of wedging are deadlocks). B...
wedged3 is {hung}. See also {gronk}, {locked up}, {hosed}. Describes a {deadlock}ed condition. 2. Often refers to humans suffering misconceptions. "He's totally wedged --- he's convinced that he can levitate through meditation." 3. [UNIX...
wedged4 is TTY left in a losing state by abort of a screen-oriented program or one that has messed with the line discipline in some obscure way.
wedgie is [Fairchild] n. A bug. Prob. related to {wedged}.
wedgitude is /wedj'i-t[y]ood/ n. The quality or state of being {wedged}.
weeble is /weeb'l/ [Cambridge] interj. Used to denote frustration, usually at amazing stupidity. "I stuck the disk in upside down." "Weeble...." Compare {gurfle}.
weeds is n. 1. Refers to development projects or algorithms that have no possible relevance or practical application. Comes from `off in the weeds'. Used in phrases like "lexical analysis for microcode is serious weeds...." 2. At CDC/ETA be...
weeds2 is weeds' was equivalent to IBM's {branch to Fishkill} and mainstream hackerdom's {jump off into never-never land}.
weenie is n. 1. When used with a qualifier (for example, as in {UNIX weenie}, VMS weenie, IBM weenie) this can be either an insult or a term of praise, depending on context, tone of voice, and whether or not it is applied by a person who consi...
weenie2 is weenie. Implies that the weenie has put a major investment of time, effort, and concentration into the area indicated; whether this is positive or negative depends on the hearer's judgment of how the speaker feels about that area. ...
weenie3 is character, `;' (ASCII 0111011).
Weenix is /wee'niks/ [ITS] n. A derogatory term for {{UNIX}}, derived from {UNIX weenie}. According to one noted ex-ITSer, it is "the operating system preferred by Unix Weenies typified by poor modularity, poor reliability, hard file deletion...
Weenix2 is everywhere, and users who believe that these are all advantages". Some ITS fans behave as though they believe UNIX stole a future that rightfully belonged to them. See {{ITS}}, sense 2.
well-behaved is adj. 1. [primarily {{MS-DOS}}] Said of software conforming to system interface guidelines and standards. Well-behaved software uses the operating system to do chores such as keyboard input, allocating memory and drawing graphic...
well-behaved2 is does its job quietly and without counterintuitive effects. Esp. said of software having an interface spec sufficiently simple and well-defined that it can be used as a {tool} by other software. See {cat}.
well-connected is adj. Said of a computer installation, this means that it has reliable email links with {the network} and/or that it relays a large fraction of available {USENET} newsgroups. `Well-known' can be almost synonymous, but also imp...
well-connected2 is many (due perhaps to an archive service or active USENET users).
wetware is /wet'weir/ [prob. from the novels of Rudy Rucker] n. 1. The human nervous system, as opposed to computer hardware or software. "Wetware has 7 plus or minus 2 temporary registers." 2. Human beings (programmers, operators, administra...
wetware2 is opposed to the system's hardware or software. See {liveware}, {meatware}.
whacker is [University of Maryland from {hacker}] n. 1. A person, similar to a {hacker}, who enjoys exploring the details of programmable systems and how to stretch their capabilities. Whereas a hacker tends to produce great hacks, a whacker o...
whacker2 is in question. Whackers are often quite egotistical and eager to claim {wizard} status, regardless of the views of their peers. 2. A person who is good at programming quickly, though rather poorly and ineptly.
whales is n. See {like kicking dead whales down the beach}.
wheel is [from slang `big wheel' for a powerful person] n. A person who has an active a {wheel bit}. "We need to find a wheel to un{wedge} the hung tape drives."
wheel bit is n. A privilege bit that allows the possessor to perform some restricted operation on a timesharing system, such as read or write any file on the system regardless of protections, change or look at any address in the running monito...
wheel bit2 is create jobs and user accounts. The term was invented on the TENEX operating system, and carried over to TOPS-20, XEROX-IFS, and others. The state of being in a privileged logon is sometimes called `wheel mode'. This term enter...
wheel bit3 is mid-1980s and has been gaining popularity there (esp. at university sites). See also {root}.
wheel wars is [Stanford University] A period in {larval stage} during which student hackers hassle each other by attempting to log each other out of the system, delete each other's files, and otherwise wreak havoc, usually at the expense of th...
White Book is n. Syn. {K&R}.
whizzy is [Sun] adj. (alt. `wizzy') Describes a {cuspy} program; one that is feature-rich and well presented.
WIBNI is // [Bell Labs Wouldn't It Be Nice If] n. What most requirements documents and specifications consist entirely of. Compare {IWBNI}.
widget is n. 1. A meta-thing. Used to stand for a real object in didactic examples (especially database tutorials). Legend has it that the original widgets were holders for buggy whips. "But suppose the parts list for a widget has 52 entrie...
widget2 is user interface object in {X} graphical user interfaces.
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...
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