Chapter VII: Front Matter (7)

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 is being left in the source to make 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 (such as C) that make it possible.

Node:Commonwealth Hackish, Next:compact, Previous:comment out, Up:= C =

Commonwealth Hackish n.

Hacker jargon as spoken in English 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/), as opposed to American /keir/ and /sohsh/. Dots in newsgroup names (especially two-component names) tend to be pronounced more often (so soc.wibble is /sok dot wib'l/ rather than /sohsh wib'l/).

Preferred metasyntactic variables include blurgle, eek, ook, frodo, and bilbo; wibble, wobble, and in emergencies wubble; flob, banana, tom, dick, harry, wombat, frog, fish, womble and so on and on (see foo, sense 4). Alternatives to verb doubling include suffixes `-o-rama', `frenzy' (as in feeding frenzy), and `city' (examples: "barf city!" "hack-o-rama!" "core dump frenzy!").

All the generic differences within the anglophone world inevitably show themselves in the associated hackish dialects. The Greek letters beta and zeta are usually pronounced /bee't*/ and /zee't*/; meta may also be pronounced /mee't*/. Various punctuators (and even letters - Z is called `zed', not `zee') are named differently: most crucially, for hackish, where Americans use `parens', `brackets' and `braces' for (), [] and {}, Commonwealth English uses `brackets', `square brackets' and `curly brackets', though `parentheses' may be used for the first; the exclamation mark, `!', is called pling rather than bang and the pound sign, `#', is called hash; furthermore, the term `the pound sign' is understood to mean the pound currency symbol (of course).

See also attoparsec, calculator, chemist, console jockey, fish, go-faster stripes, grunge, hakspek, heavy metal, leaky heap, lord high fixer, loose bytes, muddie, nadger, noddy, psychedelicware, plingnet, raster blaster, RTBM, seggie, spod, sun lounge, terminal junkie, tick-list features, weeble, weasel, YABA, and notes or definitions under Bad Thing, barf, bogus, bum, chase pointers, cosmic rays, crippleware, crunch, dodgy, gonk, hamster, hardwarily, mess-dos, nybble, proglet, root, SEX, tweak, womble, and xyzzy.

Node:compact, Next:compiler jock, Previous:Commonwealth Hackish, Up:= C =

compact 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 tool that is not compact. Compactness does not 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 features and cruft that don't merge cleanly into the overall design scheme (thus, some fans of Classic C maintain that ANSI C is no longer compact).

Node:compiler jock, Next:compo, Previous:compact, Up:= C =

compiler jock n.

See jock (sense 2).

Node:compo, Next:compress, Previous:compiler jock, Up:= C =

compo n.

[demoscene] Finnish-originated slang for `competition'. Demo compos are held at a demoparty. The usual protocol is that several groups make demos for a compo, they are shown on a big screen, and then the party participants vote for the best one. Prizes (from sponsors and party entrance fees) are given. Standard compo formats include intro compos (4k or 64k demos), music compos, graphics compos, quick demo compos (build a demo within 4 hours for example), etc.

Node:compress, Next:Compu$erve, Previous:compo, Up:= C =

compress [Unix] vt.

When used without a qualifier, generally refers to crunching of a file using a particular C implementation of compression by Joseph M. Orost et al. and widely circulated via Usenet; use of crunch itself in this sense is rare among Unix hackers. Specifically, compress is built around the Lempel-Ziv-Welch algorithm as described in "A Technique for High Performance Data Compression", Terry A. Welch, "IEEE Computer", vol. 17, no. 6 (June 1984), pp. 8-19.

Node:Compu$erve, Next:computer confetti, Previous:compress, Up:= C =

Compu$erve n.

See CI$. Synonyms CompuSpend and Compu$pend are also reported.

Node:computer confetti, Next:computer geek, Previous:Compu$erve, Up:= C =

computer confetti n.

Syn. chad. Though this term is common, this use of 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 MIT during which he and a few other guests 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.

Node:computer geek, Next:computron, Previous:computer confetti, Up:= C =

computer geek n.

1. 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 by outsiders without implied insult to all hackers; compare black-on-black vs. white-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 propeller head, clustergeeking, geek out, wannabee, terminal junkie, spod, weenie. 2. Some self-described computer geeks use this term in a positive sense and protest sense 1 (this seems to have been a post-1990 development). For one such argument, see http://www.darkwater.com/omni/geek.html. See also geek code.

Node:computron, Next:con, Previous:computer geek, Up:= C =

computron /kom'pyoo-tron`/

n. 1. [common] 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 machine can't run GNU Emacs, it doesn't have 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 mythical subatomic particle that bears the unit 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 fact that the molecules in a solid object move 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 hot and require air conditioning; they use up 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 computrons there have been all used up by the other hardware. (The popularity of 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'.)

Node:con, Next:condition out, Previous:computron, Up:= C =

con n.

[from SF fandom] A science-fiction convention. Not used of other sorts of conventions, such as professional meetings. This term, unlike many others imported from SF-fan slang, is widely recognized even by hackers who aren't fans. "We'd been corresponding on the net for months, then we met face-to-face at a con."

Node:condition out, Next:condom, Previous:con, Up:= C =

condition out 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 of these directives are #if 0 (or #ifdef notdef, though some find the latter bletcherous) and #endif in C. Compare comment out.

Node:condom, Next:confuser, Previous:condition out, Up:= C =

condom 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 also been shown to have a high failure rate as drive mechanisms attempt to access the disk -- and can even fatally frustrate insertion. 2. The protective cladding on a light pipe. 3. `keyboard condom': A flexible, transparent plastic cover for a keyboard, designed to provide some protection against dust and programming fluid without impeding typing. 4. `elephant condom': the plastic shipping bags used inside cardboard boxes to protect hardware in transit. 5. n. obs. A dummy directory /usr/tmp/sh, created to foil the Great Worm by exploiting a portability bug in one of its parts. So named in the title of a _comp.risks_ article by Gene Spafford during the Worm crisis, and again in the text of "The Internet Worm Program: An Analysis", Purdue Technical Report CSD-TR-823.

Node:confuser, Next:connector conspiracy, Previous:condom, Up:= C =

confuser n.

Common soundalike slang for `computer'. Usually encountered in compounds such as `confuser room', `personal confuser', `confuser guru'. Usage: silly.

Node:connector conspiracy, Next:cons, Previous:confuser, Up:= C =

connector conspiracy n.

[probably came into prominence with the appearance of the KL-10 (one model of the PDP-10), none of whose connectors matched anything else] The tendency of manufacturers (or, by extension, programmers or purveyors of anything) to come up with new products 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 the design and thus effectively locked third parties out of competition for the lucrative Massbus peripherals market. This policy 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 stuck with dying, obsolescent disk and tape drives with low capacity and high power requirements.

(A closely related phenomenon, with a slightly different intent, is the habit manufacturers have of inventing new screw heads so that only Designated Persons, possessing the magic screwdrivers, can remove covers and make repairs or install options. A good 1990s example is the use of Torx screws for cable-TV set-top boxes. Older Apple Macintoshes took this one step further, requiring not only a long Torx screwdriver but a specialized case-cracking tool to open the box.)

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 so many of them to choose from!" Compare backward combatability.

Node:cons, Next:considered harmful, Previous:connector conspiracy, Up:= C =

cons /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 example".

In LISP itself, cons is the most 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 binary trees of any shape and complexity. Hackers think of it as a sort of universal constructor, and that is where the jargon meanings spring from.

Node:considered harmful, Next:console, Previous:cons, Up:= C =

considered harmful adj.

[very common] 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 (text at http://www.acm.org/classics). Amusingly, the ACM considered the resulting acrimony sufficiently harmful that it will (by policy) no longer print an article taking so assertive a position against a coding practice. (Years afterwards, a contrary view was uttered in a CACM letter called, inevitably, "`Goto considered harmful' considered harmful'"'. In the ensuing decades, a large number of both serious papers and parodies have borne titles of the form "X considered Y". The structured-programming wars eventually blew 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).

Node:console, Next:console jockey, Previous:considered harmful, Up:= C =

console 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 guarded by passwords instead, and the console 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, the main screen and keyboard (as opposed to character-only terminals talking to a serial port). Typically only the console can do real graphics or run X.

Node:console jockey, Next:content-free, Previous:console, Up:= C =

console jockey n.

See terminal junkie.

Node:content-free, Next:control-C, Previous:console jockey, Up:= C =

content-free adj.

[by analogy with techspeak `context-free'] 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 styles that exalt form over substance or are 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 paper." (See also four-color glossies.) "He gave a talk on the implications of electronic networks for postmodernism and the fin-de-siecle aesthetic. It was content-free."

Node:control-C, Next:control-O, Previous:content-free, Up:= C =

control-C 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 break!"

Node:control-O, Next:control-Q, Previous:control-C, Up:= C =

control-O 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 that topic; a standard response to someone who is flaming. Considered silly. Compare control-S.

Node:control-Q, Next:control-S, Previous:control-O, Up:= C =

control-Q vi.

"Resume." From the ASCII DC1 or XON character (the pronunciation /X-on/ is therefore also used), used to undo a previous control-S.

Node:control-S, Next:Conway's Law, Previous:control-Q, Up:= C =

control-S vi.

"Stop talking for a second." From the ASCII DC3 or XOFF character (the pronunciation /X-of/ is therefore also used). Control-S differs from control-O in that the person is asked to stop talking (perhaps because you are on the phone) but will be allowed to continue when you're ready to listen to him -- as opposed to control-O, which has more of the meaning of "Shut up." Considered silly.

Node:Conway's Law, Next:cookbook, Previous:control-S, Up:= C =

Conway's Law prov.

The rule that the organization of the software and the organization of the software team will be congruent; commonly stated as "If you have four groups working on a compiler, you'll get a 4-pass compiler". The original statement was more general, "Organizations which design systems are constrained to produce designs which are copies of the communication structures of these organizations." This first appeared in the April 1968 issue of Datamation. Compare SNAFU principle.

The law was named after Melvin Conway, an 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.)

There is also Tom Cheatham's amendment of Conway's Law: "If a group of N persons implements a COBOL compiler, there will be N-1 passes. Someone in the group has to be the manager."

Node:cookbook, Next:cooked mode, Previous:Conway's Law, Up:= C =

cookbook n.

[from amateur electronics and radio] 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 (Addison-Wesley, ISBN 0-201-10179-3), also known as the Blue Book which 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 unknown languages. This function is analogous to the role of phrasebooks in human languages.

Node:cooked mode, Next:cookie, Previous:cookbook, Up:= C =

cooked mode n.

[Unix, by opposition from raw mode] The normal character-input mode, with interrupts enabled and with erase, kill and other special-character interpretations performed directly by the tty driver. Oppose raw mode, rare mode. This term is techspeak under Unix but jargon elsewhere; other operating systems often have similar mode distinctions, and the raw/rare/cooked way of describing them has spread widely along with the C language and other Unix exports. Most generally, `cooked mode' may refer to any mode of a system that does extensive preprocessing before presenting data to a program.

Node:cookie, Next:cookie bear, Previous:cooked mode, Up:= C =

cookie 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 only thing it's useful for is to relate a later transaction to this one (so you get the same clothes back). Compare magic cookie; see also fortune cookie. Now mainstream in the specific sense of web-browser cookies.

Node:cookie bear, Next:cookie file, Previous:cookie, Up:= C =

cookie bear n. obs.

Original term, pre-Sesame-Street, for what is now universally called a cookie monster. A correspondent observes "In those days, hackers were actually getting their yucks from...sit down now...Andy Williams. Yes, that Andy Williams. Seems he had a rather hip (by the standards of the day) TV variety show. One of the best parts of the show was the recurring `cookie bear' sketch. In these sketches, a guy in a bear suit tried all sorts of tricks to get a cookie out of Williams. The sketches would always end with Williams shrieking (and I don't mean figuratively), `No cookies! Not now, not ever...NEVER!!!' And the bear would fall down. Great stuff."

Node:cookie file, Next:cookie jar, Previous:cookie bear, Up:= C =

cookie file n.

A collection of fortune cookies in a format that facilitates retrieval by a fortune program. There are several different cookie files in public distribution, and site admins often assemble their own from various sources including this lexicon.

Node:cookie jar, Next:cookie monster, Previous:cookie file, Up:= C =

cookie jar n.

An area of memory set aside for storing cookies. Most commonly heard in the Atari ST community; many useful ST programs record their presence by storing a distinctive magic number in the jar. Programs can inquire after the presence or otherwise of other programs by searching the contents of the jar.

Node:cookie monster, Next:copious free time, Previous:cookie jar, Up:= C =

cookie monster n.

[from the children's TV program "Sesame Street"] 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 a batch mainframe), repeatedly demanding "I WANT A COOKIE". The required responses ranged in complexity from "COOKIE" through "HAVE A COOKIE" and upward. Folklorist Jan Brunvand (see FOAF) has described these programs as urban legends (implying they probably never existed) but they existed, all right, in several different versions. See also wabbit. Interestingly, the term `cookie monster' appears to be a retcon; the original term was cookie bear.

Node:copious free time, Next:copper, Previous:cookie monster, Up:= C =

copious free time n.

[Apple; orig. fr. the intro to Tom Lehrer's song "It Makes A Fellow Proud To Be A Soldier"] 1. [used ironically to indicate the speaker's lack of the quantity in question] A mythical schedule slot for accomplishing tasks held to be unlikely or impossible. Sometimes used to indicate that the speaker is interested in accomplishing the task, but believes that the opportunity will not arise. "I'll implement the automatic layout stuff in my copious free time." 2. [Archly] Time reserved for bogus or otherwise idiotic tasks, such as implementation of chrome, or the stroking of suits. "I'll get back to him on that feature in my copious free time."

Node:copper, Next:copy protection, Previous:copious free time, Up:= C =

copper 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.

Node:copy protection, Next:copybroke, Previous:copper, Up:= C =

copy protection n.

A class of methods for preventing incompetent pirates from stealing software and legitimate customers from using it. Considered silly.

Node:copybroke, Next:copycenter, Previous:copy protection, Up:= C =

copybroke /kop'ee-brohk/ adj.

1. [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. 2. Copy-protected software which is unusable because of some bit-rot or bug that has confused the anti-piracy check. See also copy protection.

Node:copycenter, Next:copyleft, Previous:copybroke, Up:= C =

copycenter n.

[play on `copyright' and `copyleft'] 1. The copyright notice carried by the various flavors of freeware BSD. According to Kirk McKusick at BSDCon 1999: "The way it was characterized politically, you had copyright, which is what the big companies use to lock everything up; you had copyleft, which is free software's way of making sure they can't lock it up; and then Berkeley had what we called "copycenter", which is "take it down to the copy center and make as many copies as you want".

Node:copyleft, Next:copyparty, Previous:copycenter, Up:= C =

copyleft /kop'ee-left/ n.

[play on `copyright'] 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 General Public Virus). 2. By extension, any copyright notice intended to achieve similar aims.

Node:copyparty, Next:copywronged, Previous:copyleft, Up:= C =

copyparty n.

[C64/amiga demoscene ]A computer party organized so demosceners can meet other in real life, and to facilitate software copying (mostly pirated software). The copyparty has become less common as the Internet makes communication easier. The demoscene has gradually evolved the demoparty to replace it.

Node:copywronged, Next:core, Previous:copyparty, Up:= C =

copywronged /kop'ee-rongd/ adj.

[play on `copyright'] Syn. for copybroke.

Node:core, Next:core cancer, Previous:copywronged, Up:= C =

core 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 idioms are quite current; `in core', for 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. Some varieties of Commonwealth hackish prefer store.

Node:core cancer, Next:core dump, Previous:core, Up:= C =

core cancer n.

[rare] A process that exhibits a slow but inexorable resource leak -- like a cancer, it kills by crowding out productive `tissue'.

Node:core dump, Next:core leak, Previous:core cancer, Up:= C =

core dump 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 registering extreme shock. "He dumped core. All over the floor. What a mess." "He heard about X and dumped core." 3. Occasionally used for a human rambling on pointlessly at great length; esp. in apology: "Sorry, I dumped core on you". 4. A recapitulation of knowledge (compare bits, sense 1). Hence, spewing all one knows about a topic (syn. brain dump), esp. in a lecture or answer to an exam question. "Short, concise answers are better than core dumps" (from the instructions to an exam at Columbia). See core.

Node:core leak, Next:Core Wars, Previous:core dump, Up:= C =

core leak n.

Syn. memory leak.

Node:Core Wars, Next:corge, Previous:core leak, Up:= C =

Core Wars n.

A game between `assembler' programs in a machine or machine simulator, where the objective is to kill your opponent's program by overwriting it. Popularized in the 1980s by A. K. Dewdney's column in "Scientific American" magazine, but described in "Software Practice And Experience" a decade earlier. The game was actually devised and played by Victor Vyssotsky, Robert Morris Sr., and Doug McIlroy in the early 1960s (Dennis Ritchie is sometimes incorrectly cited as a co-author, but was not involved). Their original game was called `Darwin' and ran on a IBM 7090 at Bell Labs. See core. For information on the modern game, do a web search for the `rec.games.corewar FAQ' or surf to the King Of The Hill site.

Node:corge, Next:cosmic rays, Previous:Core Wars, Up:= C =

corge /korj/ n.

[originally, the name of a cat] Yet another metasyntactic variable, invented by Mike Gallaher and propagated by the GOSMACS documentation. See grault.

Node:cosmic rays, Next:cough and die, Previous:corge, Up:= C =

cosmic rays n.

Notionally, the cause of bit rot. However, this is a semi-independent usage that may be invoked as a humorous way to handwave away any minor randomness that doesn't seem worth the bother of investigating. "Hey, Eric -- I just got a burst of garbage on my tube, where did that come from?" "Cosmic rays, I guess." Compare sunspots, phase of the moon. The British seem to prefer the usage `cosmic showers'; `alpha particles' is also heard, because stray alpha particles passing through a memory chip can cause single-bit errors (this becomes increasingly more likely as memory sizes and densities increase).

Factual note: Alpha particles cause bit rot, cosmic rays do not (except occasionally in spaceborne computers). Intel could not explain random bit drops in their early chips, and one hypothesis was cosmic rays. So they created the World's Largest Lead Safe, using 25 tons of the stuff, and used two identical boards for testing. One was placed in the safe, one outside. The hypothesis was that if cosmic rays were causing the bit drops, they should see a statistically significant difference between the error rates on the two boards. They did not observe such a difference. Further investigation demonstrated conclusively that the bit drops were due to alpha particle emissions from thorium (and to a much lesser degree uranium) in the encapsulation material. Since it is impossible to eliminate these radioactives (they are uniformly distributed through the earth's crust, with the statistically insignificant exception of uranium lodes) it became obvious that one has to design memories to withstand these hits.

Node:cough and die, Next:courier, Previous:cosmic rays, Up:= C =

cough and die v.

Syn. barf. Connotes that the program is throwing its hands up by design rather than because of a bug or oversight. "The parser saw a control-A in its input where it was looking for a printable, so it coughed and died." Compare die, die horribly, scream and die.

Node:courier, Next:cow orker, Previous:cough and die, Up:= C =

courier

[BBS & cracker cultures] A person who distributes newly cracked warez, as opposed to a server who makes them available for download or a leech who merely downloads them. Hackers recognize this term but don't use it themselves, as the act is not part of their culture. See also warez d00dz, cracker, elite.

Node:cow orker, Next:cowboy, Previous:courier, Up:= C =

cow orker n.

[Usenet] n. fortuitous typo for co-worker, widely used in Usenet, with perhaps a hint that orking cows is illegal. This term was popularized by Scott Adams (the creator of Dilbert) but already appears in the January 1996 version of the scary devil monastery FAQ. There are plausible reports that it was in use on _talk.bizarre_ as early as 1992. Compare hing, grilf, filk, newsfroup.

Node:cowboy, Next:CP/M, Previous:cow orker, Up:= C =

cowboy n.

[Sun, from William Gibson's cyberpunk SF] Synonym for hacker. It is reported that at Sun this word is often said with reverence.

Node:CP/M, Next:CPU Wars, Previous:cowboy, Up:= C =

CP/M /C-P-M/ n.

[Control Program/Monitor; later retconned to Control Program for Microcomputers] An early microcomputer OS written by hacker Gary Kildall for 8080- and Z80-based machines, very popular in the late 1970s but virtually wiped out by MS-DOS after the release of the IBM PC in 1981. Legend has it that Kildall's company blew its chance to write the OS for the IBM PC because Kildall decided to spend a day IBM's reps wanted to meet with him enjoying the perfect flying weather in his private plane. Many of CP/M's features and conventions strongly resemble those of early DEC operating systems such as TOPS-10, OS/8, RSTS, and RSX-11. See MS-DOS, operating system.

Node:CPU Wars, Next:crack, Previous:CP/M, Up:= C =

CPU Wars /C-P-U worz/ n.

A 1979 large-format comic by Chas Andres chronicling the attempts of the brainwashed androids of IPM (Impossible to Program Machines) to conquer and destroy the peaceful denizens of HEC (Human Engineered Computers). This rather transparent allegory featured many references to ADVENT and the immortal line "Eat flaming death, minicomputer mongrels!" (uttered, of course, by an IPM stormtrooper). The whole shebang is now available on the Web.

It is alleged that the author subsequently received a letter of appreciation on IBM company stationery from the head of IBM's Thomas J. Watson Research Laboratories (then, as now, one of the few islands of true hackerdom in the IBM archipelago). The lower loop of the B in the IBM logo, it is said, had been carefully whited out. See eat flaming death.

Node:crack, Next:crack root, Previous:CPU Wars, Up:= C =

crack

[warez d00dz] 1. v. To break into a system (compare cracker). 2. v. Action of removing the copy protection from a commercial program. People who write cracks consider themselves challenged by the copy protection measures. They will often do it as much to show that they are smarter than the developper who designed the copy protection scheme than to actually copy the program. 3. n. A program, instructions or patch used to remove the copy protection of a program or to uncripple features from a demo/time limited program. 4. An exploit.

Node:crack root, Next:cracker, Previous:crack, Up:= C =

crack root v.

[very common] To defeat the security system of a Unix machine and gain root privileges thereby; see cracking.

Node:cracker, Next:cracking, Previous:crack root, Up:= C =

cracker n.

One who breaks security on a system. Coined ca. 1985 by hackers in defense against journalistic misuse of hacker (q.v., sense 8). An earlier attempt to establish `worm' in this sense around 1981-82 on Usenet was largely a failure.

Use of both these neologisms reflects a strong revulsion against the theft and vandalism perpetrated by cracking rings. While it is expected that any real hacker will have done some playful cracking and knows many of the basic techniques, anyone past larval stage is expected to have outgrown the desire to do so except for immediate, benign, practical reasons (for example, if it's necessary to get around some security in order to get some work done).

Thus, there is far less overlap between hackerdom and crackerdom than the mundane reader misled by sensationalistic journalism might expect. Crackers tend to gather in small, tight-knit, very secretive groups that have little overlap with the huge, open poly-culture this lexicon describes; though crackers often like to describe themselves as hackers, most true hackers consider them a separate and lower form of life.

Ethical considerations aside, hackers figure that anyone who can't imagine a more interesting way to play with their computers than breaking into someone else's has to be pretty losing. Some other reasons crackers are looked down on are discussed in the entries on cracking and phreaking. See also samurai, dark-side hacker, and hacker ethic. For a portrait of the typical teenage cracker, see warez d00dz.

Node:cracking, Next:crank, Previous:cracker, Up:= C =

cracking n.

[very common] The act of breaking into a computer system; what a cracker does. Contrary to widespread myth, this does not usually involve some mysterious leap of hackerly brilliance, but rather persistence and the dogged repetition of a handful of fairly well-known tricks that exploit common weaknesses in the security of target systems. Accordingly, most crackers are only mediocre hackers.

Node:crank, Next:crapplet, Previous:cracking, Up:= C =

crank vt.

[from automotive slang] Verb used to describe the performance of a machine, especially sustained performance. "This box cranks (or, cranks at) about 6 megaflops, with a burst mode of twice that on vectorized operations."

Node:crapplet, Next:CrApTeX, Previous:crank, Up:= C =

crapplet n.

[portmanteau, crap + applet] A worthless applet, esp. a Java widget attached to a web page that doesn't work or even crashes your browser. Also spelled `craplet'.

Node:CrApTeX, Next:crash, Previous:crapplet, Up:= C =

CrApTeX /krap'tekh/ n.

[University of York, England] Term of abuse used to describe TeX and LaTeX when they don't work (when used by TeXhackers), or all the time (by everyone else). The non-TeX-enthusiasts generally dislike it because it is more verbose than other formatters (e.g. troff) and because (particularly if the standard Computer Modern fonts are used) it generates vast output files. See religious issues, TeX.

Node:crash, Next:crash and burn, Previous:CrApTeX, Up:= C =

crash

1. n. A sudden, usually drastic failure. Most often said of the system (q.v., sense 1), esp. of magnetic disk drives (the term originally described what happens when the air gap of a hard disk collapses). "Three lusers lost their files in last night's disk crash." A disk crash that involves the read/write heads dropping onto the surface of the disks and scraping off the oxide may also be referred to as a `head crash', whereas the term `system crash' usually, though not always, implies that the operating system or other software was at fault. 2. v. To fail suddenly. "Has the system just crashed?" "Something crashed the OS!" See down. Also used transitively to indicate the cause of the crash (usually a person or a program, or both). "Those idiots playing SPACEWAR crashed the system." 3. vi. Sometimes said of people hitting the sack after a long hacking run; see gronk out.

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crash and burn vi.,n.

A spectacular crash, in the mode of the conclusion of the car-chase scene in the movie "Bullitt" and many subsequent imitators (compare die horribly). Sun-3 monitors losing the flyback transformer and lightning strikes on VAX-11/780 backplanes are notable crash and burn generators. The construction `crash-and-burn machine' is reported for a computer used exclusively for alpha or beta testing, or reproducing bugs (i.e., not for development). The implication is that it wouldn't be such a disaster if that machine crashed, since only the testers would be inconvenienced.

Node:crawling horror, Next:cray, Previous:crash and burn, Up:= C =

crawling horror n.

Ancient crufty hardware or software that is kept obstinately alive by forces beyond the control of the hackers at a site. Like dusty deck or gonkulator, but connotes that the thing described is not just an irritation but an active menace to health and sanity. "Mostly we code new stuff in C, but they pay us to maintain one big FORTRAN II application from nineteen-sixty-X that's a real crawling horror...." Compare WOMBAT.

Node:cray, Next:cray instability, Previous:crawling horror, Up:= C =

cray /kray/ n.

1. (properly, capitalized) One of the line of supercomputers designed by Cray Research. 2. Any supercomputer at all. 3. The canonical number-crunching machine.

The term is actually the lowercased last name of Seymour Cray, a noted computer architect and co-founder of the company. Numerous vivid legends surround him, some true and some admittedly invented by Cray Research brass to shape their corporate culture and image.

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cray instability n.

1. A shortcoming of a program or algorithm that manifests itself only when a large problem is being run on a powerful machine (see cray). Generally more subtle than bugs that can be detected in smaller problems running on a workstation or mini. 2. More specifically, a shortcoming of algorithms which are well behaved when run on gentle floating point hardware (such as IEEE-standard or PDP-series machines) but which break down badly when exposed to a Cray's unique `rounding' rules.

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crayola /kray-oh'l*/ n.

A super-mini or -micro computer that provides some reasonable percentage of supercomputer performance for an unreasonably low price. Might also be a killer micro.

Node:crayola books, Next:crayon, Previous:crayola, Up:= C =

crayola books n.

The rainbow series of National Computer Security Center (NCSC) computer security standards (see Orange Book). Usage: humorous and/or disparaging.

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crayon n.

1. Someone who works on Cray supercomputers. More specifically, it implies a programmer, probably of the CDC ilk, probably male, and almost certainly wearing a tie (irrespective of gender). Systems types who have a Unix background tend not to be described as crayons. 2. Formerly, anyone who worked for Cray Research; since the buyout by SGI, anyone they inherited from Cray. 3. A computron (sense 2) that participates only in number-crunching. 4. A unit of computational power equal to that of a single Cray-1. There is a standard joke about this usage that derives from an old Crayola crayon promotional gimmick: When you buy 64 crayons you get a free sharpener.

Node:creationism, Next:creep, Previous:crayon, Up:= C =

creationism n.

The (false) belief that large, innovative software designs can be completely specified in advance and then painlessly magicked out of the void by the normal efforts of a team of normally talented programmers. In fact, experience has shown repeatedly that good designs arise only from evolutionary, exploratory interaction between one (or at most a small handful of) exceptionally able designer(s) and an active user population -- and that the first try at a big new idea is always wrong. Unfortunately, because these truths don't fit the planning models beloved of management, they are generally ignored.

Node:creep, Next:creeping elegance, Previous:creationism, Up:= C =

creep v.

To advance, grow, or multiply inexorably. In hackish usage this verb has overtones of menace and silliness, evoking the creeping horrors of low-budget monster movies.

Node:creeping elegance, Next:creeping featurism, Previous:creep, Up:= C =

creeping elegance n.

Describes a tendency for parts of a design to become elegant past the point of diminishing return, something which often happens at the expense of the less interesting parts of the design, the schedule, and other things deemed important in the Real World. See also creeping featurism, second-system effect, tense.

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creeping featurism /kree'ping fee'chr-izm/ n.

[common] 1. Describes a systematic tendency to load more chrome and features onto systems at the expense of whatever elegance they may have possessed when originally designed. See also feeping creaturism. "You know, the main problem with BSD Unix has always been creeping featurism." 2. More generally, the tendency for anything complicated to become even more complicated because people keep saying "Gee, it would be even better if it had this feature too". (See feature.) The result is usually a patchwork because it grew one ad-hoc step at a time, rather than being planned. Planning is a lot of work, but it's easy to add just one extra little feature to help someone ... and then another ... and another.... When creeping featurism gets out of hand, it's like a cancer. Usually this term is used to describe computer programs, but it could also be said of the federal government, the IRS 1040 form, and new cars. A similar phenomenon sometimes afflicts conscious redesigns; see second-system effect. See also creeping elegance.

Node:creeping featuritis, Next:cretin, Previous:creeping featurism, Up:= C =

creeping featuritis /kree'ping fee'-chr-i:`t*s/ n.

Variant of creeping featurism, with its own spoonerization: `feeping creaturitis'. Some people like to reserve this form for the disease as it actually manifests in software or hardware, as opposed to the lurking general tendency in designers' minds. (After all, -ism means `condition' or `pursuit of', whereas -itis usually means `inflammation of'.)

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cretin /kret'in/ or /kree'tn/ n.

Congenital loser; an obnoxious person; someone who can't do anything right. It has been observed that many American hackers tend to favor the British pronunciation /kret'in/ over standard American /kree'tn/; it is thought this may be due to the insidious phonetic influence of Monty Python's Flying Circus.

Node:cretinous, Next:crippleware, Previous:cretin, Up:= C =

cretinous /kret'n-*s/ or /kreet'n-*s/ adj.

Wrong; stupid; non-functional; very poorly designed. Also used pejoratively of people. See dread high-bit disease for an example. Approximate synonyms: bletcherous, bagbiting losing, brain-damaged.

Node:crippleware, Next:critical mass, Previous:cretinous, Up:= C =

crippleware n.

1. [common] Software that has some important functionality deliberately removed, so as to entice potential users to pay for a working version. 2. [Cambridge] Variety of guiltware that exhorts you to donate to some charity (compare careware, nagware). 3. Hardware deliberately crippled, which can be upgraded to a more expensive model by a trivial change (e.g., cutting a jumper).

An excellent example of crippleware (sense 3) is Intel's 486SX chip, which is a standard 486DX chip with the co-processor diked out (in some early versions it was present but disabled). To upgrade, you buy a complete 486DX chip with working co-processor (its identity thinly veiled by a different pinout) and plug it into the board's expansion socket. It then disables the SX, which becomes a fancy power sink. Don't you love Intel?

Node:critical mass, Next:crlf, Previous:crippleware, Up:= C =

critical mass n.

In physics, the minimum amount of fissionable material required to sustain a chain reaction. Of a software product, describes a condition of the software such that fixing one bug introduces one plus epsilon bugs. (This malady has many causes: creeping featurism, ports to too many disparate environments, poor initial design, etc.) When software achieves critical mass, it can never be fixed; it can only be discarded and rewritten.

Node:crlf, Next:crock, Previous:critical mass, Up:= C =

crlf /ker'l*f/, sometimes /kru'l*f/ or /C-R-L-F/ n.

(often capitalized as `CRLF') A carriage return (CR, ASCII 0001101) followed by a line feed (LF, ASCII 0001010). More loosely, whatever it takes to get you from the end of one line of text to the beginning of the next line. See newline, terpri. Under Unix influence this usage has become less common (Unix uses a bare line feed as its `CRLF').

Node:crock, Next:cross-post, Previous:crlf, Up:= C =

crock n.

[from the American scatologism `crock of shit'] 1. An awkward feature or programming technique that ought to be made cleaner. For example, using small integers to represent error codes without the program interpreting them to the user (as in, for example, Unix make(1), which returns code 139 for a process that dies due to segfault). 2. A technique that works acceptably, but which is quite prone to failure if disturbed in the least. For example, a too-clever programmer might write an assembler which mapped instruction mnemonics to numeric opcodes algorithmically, a trick which depends far too intimately on the particular bit patterns of the opcodes. (For another example of programming with a dependence on actual opcode values, see The Story of Mel in Appendix A.) Many crocks have a tightly woven, almost completely unmodifiable structure. See kluge, brittle. The adjectives `crockish' and `crocky', and the nouns `crockishness' and `crockitude', are also used.

Node:cross-post, Next:crossload, Previous:crock, Up:= C =

cross-post vi.

[Usenet; very common] To post a single article simultaneously to several newsgroups. Distinguished from posting the article repeatedly, once to each newsgroup, which causes people to see it multiple times (which is very bad form). Gratuitous cross-posting without a Followup-To line directing responses to a single followup group is frowned upon, as it tends to cause followup articles to go to inappropriate newsgroups when people respond to only one part of the original posting.

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crossload v.,n.

[proposed, by analogy with upload and download] To move files between machines on a peer-to-peer network of nodes that act as both servers and clients for a distributed file store. Esp. appropriate for ananonymized networks like Gnutella and Freenet.

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crudware /kruhd'weir/ n.

Pejorative term for the hundreds of megabytes of low-quality freeware circulated by user's groups and BBS systems in the micro-hobbyist world. "Yet another set of disk catalog utilities for MS-DOS? What crudware!"

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cruft /kruhft/

[very common; back-formation from crufty] 1. n. An unpleasant substance. The dust that gathers under your bed is cruft; the TMRC Dictionary correctly noted that attacking it with a broom only produces more. 2. n. The results of shoddy construction. 3. vt. [from `hand cruft', pun on `hand craft'] To write assembler code for something normally (and better) done by a compiler (see hand-hacking). 4. n. Excess; superfluous junk; used esp. of redundant or superseded code. 5. [University of Wisconsin] n. Cruft is to hackers as gaggle is to geese; that is, at UW one properly says "a cruft of hackers".

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cruft together vt.

(also `cruft up') To throw together something ugly but temporarily workable. Like vt. kluge up, but more pejorative. "There isn't any program now to reverse all the lines of a file, but I can probably cruft one together in about 10 minutes." See hack together, hack up, kluge up, crufty.

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cruftsmanship /kruhfts'm*n-ship / n.

[from cruft] The antithesis of craftsmanship.

Node:crufty, Next:crumb, Previous:cruftsmanship, Up:= C =

crufty /kruhf'tee/ adj.

[very common; origin unknown; poss. from `crusty' or `cruddy'] 1. Poorly built, possibly over-complex. The canonical example is "This is standard old crufty DEC software". In fact, one fanciful theory of the origin of `crufty' holds that was originally a mutation of `crusty' applied to DEC software so old that the `s' characters were tall and skinny, looking more like `f' characters. 2. Unpleasant, especially to the touch, often with encrusted junk. Like spilled coffee smeared with peanut butter and catsup. 3. Generally unpleasant. 4. (sometimes spelled `cruftie') n. A small crufty object (see frob); often one that doesn't fit well into the scheme of things. "A LISP property list is a good place to store crufties (or, collectively, random cruft)."

This term is one of the oldest in the jargon and no one is sure of its etymology, but it is suggestive that there is a Cruft Hall at Harvard University which is part of the old physics building; it's said to have been the physics department's radar lab during WWII. To this day (early 1993) the windows appear to be full of random techno-junk. MIT or Lincoln Labs people may well have coined the term as a knock on the competition.

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crumb n.

Two binary digits; a quad. Larger than a bit, smaller than a nybble. Considered silly. Syn. tayste. General discussion of such terms is under nybble.

Node:crunch, Next:cryppie, Previous:crumb, Up:= C =

crunch 1. vi.

To process, usually in a time-consuming or complicated way. Connotes an essentially trivial operation that is nonetheless painful to perform. The pain may be due to the triviality's being embedded in a loop from 1 to 1,000,000,000. "FORTRAN programs do mostly number-crunching." 2. vt. To reduce the size of a file by a complicated scheme that produces bit configurations completely unrelated to the original data, such as by a Huffman code. (The file ends up looking something like a paper document would if somebody crunched the paper into a wad.) Since such compression usually takes more computations than simpler methods such as run-length encoding, the term is doubly appropriate. (This meaning is usually used in the construction `file crunch(ing)' to distinguish it from number-crunching.) See compress. 3. n. The character #. Used at XEROX and CMU, among other places. See ASCII. 4. vt. To squeeze program source into a minimum-size representation that will still compile or execute. The term came into being specifically for a famous program on the BBC micro that crunched BASIC source in order to make it run more quickly (it was a wholly interpretive BASIC, so the number of characters mattered). Obfuscated C Contest entries are often crunched; see the first example under that entry.

Node:cryppie, Next:CTSS, Previous:crunch, Up:= C =

cryppie /krip'ee/ n.

A cryptographer. One who hacks or implements cryptographic software or hardware.

Node:CTSS, Next:cube, Previous:cryppie, Up:= C =

CTSS /C-T-S-S/ n.

Compatible Time-Sharing System. An early (1963) experiment in the design of interactive time-sharing operating systems, ancestral to Multics, Unix, and ITS. The name ITS (Incompatible Time-sharing System) was a hack on CTSS, meant both as a joke and to express some basic differences in philosophy about the way I/O services should be presented to user programs.

Node:cube, Next:cubing, Previous:CTSS, Up:= C =

cube n.

1. [short for `cubicle'] A module in the open-plan offices used at many programming shops. "I've got the manuals in my cube." 2. A NeXT machine (which resembles a matte-black cube).

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cubing vi.

[parallel with `tubing'] 1. Hacking on an IPSC (Intel Personal SuperComputer) hypercube. "Louella's gone cubing again!!" 2. Hacking Rubik's Cube or related puzzles, either physically or mathematically. 3. An indescribable form of self-torture (see sense 1 or 2).

Node:cup holder, Next:cursor dipped in X, Previous:cubing, Up:= C =

cup holder n.

The tray of a CD-ROM drive, or by extension the CD drive itself. So called because of a common tech support legend about the idiot who called to complain that the cup holder on his computer broke. A joke program was once distributed around the net called "cupholder.exe", which when run simply extended the CD drive tray. The humor of this was of course lost on people whose drive had a slot or a caddy instead.

Node:cursor dipped in X, Next:cuspy, Previous:cup holder, Up:= C =

cursor dipped in X n.

There are a couple of metaphors in English of the form `pen dipped in X' (perhaps the most common values of X are `acid', `bile', and `vitriol'). These map over neatly to this hackish usage (the cursor being what moves, leaving letters behind, when one is composing on-line). "Talk about a nastygram! He must've had his cursor dipped in acid when he wrote that one!"

Node:cuspy, Next:cut a tape, Previous:cursor dipped in X, Up:= C =

cuspy /kuhs'pee/ adj.

[WPI: from the DEC abbreviation CUSP, for `Commonly Used System Program', i.e., a utility program used by many people] 1. (of a program) Well-written. 2. Functionally excellent. A program that performs well and interfaces well to users is cuspy. See rude. 3. [NYU] Said of an attractive woman, especially one regarded as available. Implies a certain curvaceousness.

Node:cut a tape, Next:cybercrud, Previous:cuspy, Up:= C =

cut a tape vi.

To write a software or document distribution on magnetic tape for shipment. Has nothing to do with physically cutting the medium! Early versions of this lexicon claimed that one never analogously speaks of `cutting a disk', but this has since been reported as live usage. Related slang usages are mainstream business's `cut a check', the recording industry's `cut a record', and the military's `cut an order'.

All of these usages reflect physical processes in obsolete recording and duplication technologies. The first stage in manufacturing an old-style vinyl record involved cutting grooves in a stamping die with a precision lathe. More mundanely, the dominant technology for mass duplication of paper documents in pre-photocopying days involved "cutting a stencil", punching away portions of the wax overlay on a silk screen. More directly, paper tape with holes punched in it was an important early storage medium.

Node:cybercrud, Next:cyberpunk, Previous:cut a tape, Up:= C =

cybercrud /si:'ber-kruhd/ n.

1. [coined by Ted Nelson] Obfuscatory tech-talk. Verbiage with a high MEGO factor. The computer equivalent of bureaucratese. 2. Incomprehensible stuff embedded in email. First there were the "Received" headers that show how mail flows through systems, then MIME (Multi-purpose Internet Mail Extensions) headers and part boundaries, and now huge blocks of radix-64 for PEM (Privacy Enhanced Mail) or PGP (Pretty Good Privacy) digital signatures and certificates of authenticity. This stuff all services a purpose and good user interfaces should hide it, but all too often users are forced to wade through it.

Node:cyberpunk, Next:cyberspace, Previous:cybercrud, Up:= C =

cyberpunk /si:'ber-puhnk/ n.,adj.

[orig. by SF writer Bruce Bethke and/or editor Gardner Dozois] A subgenre of SF launched in 1982 by William Gibson's epoch-making novel "Neuromancer" (though its roots go back through Vernor Vinge's "True Names" (see the Bibliography in Appendix C) to John Brunner's 1975 novel "The Shockwave Rider"). Gibson's near-total ignorance of computers and the present-day hacker culture enabled him to speculate about the role of computers and hackers in the future in ways hackers have since found both irritatingly naïve and tremendously stimulating. Gibson's work was widely imitated, in particular by the short-lived but innovative "Max Headroom" TV series. See cyberspace, ice, jack in, go flatline.

Since 1990 or so, popular culture has included a movement or fashion trend that calls itself `cyberpunk', associated especially with the rave/techno subculture. Hackers have mixed feelings about this. On the one hand, self-described cyberpunks too often seem to be shallow trendoids in black leather who have substituted enthusiastic blathering about technology for actually learning and doing it. Attitude is no substitute for competence. On the other hand, at least cyberpunks are excited about the right things and properly respectful of hacking talent in those who have it. The general consensus is to tolerate them politely in hopes that they'll attract people who grow into being true hackers.

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cyberspace /si:'br-spays`/ n.