Flash_WalL30

FAULTY adj. Same denotation as "bagbiting", "bletcherous", "losing", q.v., but the connotation is much milder. FEATURE n. 1. A surprising property of a program. Occasionally docu- mented. To call a property a feature sometimes means the author of the program did not consider the particular case, and the program makes an unexpected, although not strictly speaking an incorrect response. See BUG. "That's not a bug, that's a feature!" A bug can be changed to a feature by documenting it. 2. A well-known and beloved property; a facility. Sometimes features are planned, but are called crocks by others. An approximately correct spectrum: (These terms are all used to describe programs or portions thereof, except for the first two, which are included for completeness.) CRASH STOPPAGE BUG SCREW LOSS MISFEATURE CROCK KLUGE HACK WIN FEATURE PERFECTION (The last is never actually attained.) FEEP 1. n. The soft bell of a display terminal (except for a VT-52!); a beep. 2. v. To cause the display to make a feep sound. TTY's do not have feeps. Alternate forms: BEEP, BLEEP, or just about anything suitably onomatopoeic. The term BREEDLE is sometimes heard at SAIL, where the terminal bleepers are not particularly "soft" (they sound more like the musical equivalent of sticking out one's tongue). The "feeper" on a VT-52 has been compared to the sound of a `52 Chevy stripping its gears. FENCEPOST ERROR n. 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 ten feet apart, how many posts do you need?" (Either 9 or 11 is a better answer than the obvious 10.) FINE (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.] FLAG DAY [from a bit of Multics history involving a change in the ASCII character set originally scheduled for June 14, 1966] n. A software change which is neither forward nor backward compatible, and which is costly to make and costly to revert. "Can we install that without causing a flag day for all users?" FLAKEY adj. Subject to frequent lossages. See LOSSAGE. FLAME v. To speak incessantly and/or rabidly on some relatively uninteresting subject or with a patently ridiculous attitude. FLAME ON: v. To continue to flame. See RAVE. This punning reference to Marvel comics' Human Torch has been lost as recent usage completes the circle: "Flame on" now usually means "beginning of flame". FLAP v. To unload a DECtape (so it goes flap, flap, flap...). Old hackers at MIT tell of the days when the disk was device 0 and microtapes were 1, 2,... and attempting to flap device 0 would instead start a motor banging inside a cabinet near the disk! FLAVOR n. 1. Variety, type, kind. "DDT commands come in two flavors." See VANILLA. 2. The attribute of causing something to be FLAVORFUL. "This convention yields additional flavor by allowing one to..." 3. On the LispMachine, an object-oriented programming system ("flavors"; each class of object is a flavor. FLAVORFUL adj. Aesthetically pleasing. See RANDOM and LOSING for antonyms. See also the entry for TASTE. FLUSH v. 1. To delete something, usually superfluous. "All that nonsense has been flushed." Standard ITS terminology for aborting an output operation. 2. To leave at the end of a day's work (as opposed to leaving for a meal). "I'm going to flush now." "Time to flush." 3. To exclude someone from an activity. FOO 1. [from Yiddish "feh" or the Anglo-Saxon "fooey!"] interj. Term of disgust. 2. [from FUBAR (Fucked Up Beyond All Recognition), from WWII, often seen as FOOBAR] Name used for temporary programs, or samples of three-letter names. Other similar words are BAR, BAZ (Stanford corruption of BAR), and rarely RAG. These have been used in Pogo as well. 3. Used very generally as a sample name for absolutely anything. The old `Smokey Stover' comic strips often included the word FOO, in particular on license plates of cars. MOBY FOO: See MOBY. FRIED adj. 1. Non-working due to hardware failure; burnt out. 2. Of people, exhausted. Said particularly of those who continue to work in such a state. Often used as an explanation or excuse. "Yeah, I know that fix destroyed the file system, but I was fried when I put it in." FROB 1. n. (MIT) The official Tech Model Railroad Club definition is "FROB = protruding arm or trunnion", and by metaphoric extension any somewhat small thing. See FROBNITZ. 2. v. Abbreviated form of FROBNICATE. FROBNICATE v. To manipulate or adjust, to tweak. Derived from FROBNITZ (q.v.). Usually abbreviated to FROB. Thus one has the saying "to frob a frob". See TWEAK and TWIDDLE. Usage: FROB, TWIDDLE, and TWEAK sometimes connote points along a continuum. FROB connotes aimless manipulation; 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; if he is just turning it but looking at the screen he is probably twiddling it; but if he's just doing it because turning a knob is fun, he's frobbing it. FROBNITZ, pl. FROBNITZEM (frob'nitsm) 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. Also used are FROBNULE, FROBULE, and FROBNODULE. Starting perhaps in 1979, FROBBOZ (fruh-bahz'), pl. FROBBOTZIM, has also become very popular, largely due to its exposure via the Adventure spin-off called Zork (Dungeon). These can also be applied to non-physical objects, such as data structures. FROG (variant: 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. Of people, somewhere inbetween a turkey and a toad. 4. Jake Brown (FRG@SAIL). 5. FROGGY: adj. Similar to BAGBITING (q.v.), but milder. "This froggy program is taking forever to run!" FROTZ 1. n. See FROBNITZ. 2. MUMBLE FROTZ: An interjection of very mild disgust. FRY v. 1. To fail. Said especially of smoke-producing hardware failures. 2. More generally, to become non-working. Usage: never said of software, only of hardware and humans. See FRIED. FTP (spelled out, NOT pronounced "fittip" 1. n. The File Transfer Protocol for transmitting files between systems on the ARPAnet. 2. v. To transfer a file using the File Transfer Program. "Lemme get this copy of Wuthering Heights FTP'd from SAIL." FUDGE 1. v. 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." 2. n. The resulting code. FUDGE FACTOR 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 which is made larger than necessary because one isn't sure exactly 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. An example might be the coefficients of an equation, where the coefficients are varied in an attempt to make the equation fit certain criteria. GABRIEL [for Dick Gabriel, SAIL volleyball fanatic] n. An unnecessary (in the opinion of the opponent) stalling tactic, e.g., tying one's shoelaces or hair repeatedly, asking the time, etc. Also used to refer to the perpetrator of such tactics. Also, "pulling a Gabriel", "Gabriel mode". GARBAGE COLLECT v., GARBAGE COLLECTION n. See GC. GARPLY n. (Stanford) Another meta-word popular among SAIL hackers. GAS [as in "gas chamber"] interj. 1. 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. A term suggesting that someone or something ought to be flushed out of mercy. "The system's wedging every few minutes. Gas!" 3. v. FLUSH (q.v.). "You should gas that old crufty software." 4. GASEOUS adj. Deserving of being gassed. Usage: primarily used by Geoff Goodfellow at SRI, but spreading. GC [from LISP terminology] 1. v. To clean up and throw away useless things. "I think I'll GC the top of my desk today." 2. To recycle, reclaim, or put to another use. 3. To forget. The implication is often that one has done so deliberately. 4. n. An instantiation of the GC process. GEDANKEN [from Einstein's term "gedanken-experimenten", such as the standard proof that E=mc2] adj. An AI project which is written up in grand detail without ever being implemented to any great extent. Usually perpetrated by people who aren't very good hackers or find programming distasteful or are just in a hurry. A gedanken 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 a program-related concept such as an algorithm. GLASS TTY n. A terminal which has a display screen but which, because of hardware or software limitations, behaves like a teletype or other printing terminal. An example is the ADM-3 (without cursor control). A glass tty can't do neat display hacks, and you can't save the output either. GLITCH [from the Yiddish "glitshen", to slide] 1. n. A sudden interruption in electric service, sanity, or program function. Sometimes recoverable. 2. v. To commit a glitch. See GRITCH. 3. v. (Stanford) To scroll a display screen. GLORK 1. interj. Term of mild surprise, usually tinged with outrage, as when one attempts to save the results of two hours of editing and finds that the system has just crashed. 2. Used as a name for just about anything. See FOO. 3. v. Similar to GLITCH (q.v.), but usually used reflexively. "My program just glorked itself." GOBBLE v. To consume or to obtain. GOBBLE UP tends to imply "consume", while GOBBLE DOWN tends to imply "obtain". "The output spy gobbles characters out of a TTY output buffer." "I guess I'll gobble down a copy of the documentation tomorrow." See SNARF. GORP (CMU) [perhaps from the generic term for dried hiker's food, stemming from the acronym "Good Old Raisins and Peanuts"] Another metasyntactic variable, like FOO and BAR. GRIND v. 1. (primarily MIT) To format code, especially LISP code, by indenting lines so that it looks pretty. Hence, PRETTY PRINT, the generic term for such operations. 2. To run seemingly interminably, performing some tedious and inherently useless task. Similar to CRUNCH. GRITCH 1. n. A complaint (often caused by a GLITCH (q.v.)). 2. v. To complain. Often verb-doubled: "Gritch gritch". 3. Glitch. GROK [from the novel "Stranger in a Strange Land", by Robert Heinlein, where it is a Martian word meaning roughly "to be one with"] v. To understand, usually in a global sense. GRONK [popularized by the cartoon strip "B.C." by Johnny Hart, but the word apparently predates that] v. 1. To clear the state of a wedged device and restart it. More severe than "to frob" (q.v.). 2. To break. "The teletype scanner was gronked, so we took the system down." 3. GRONKED: adj. Of people, the condition of feeling very tired or sick. 4. GRONK OUT: v. To cease functioning. Of people, to go home and go to sleep. "I guess I'll gronk out now; see you all tomorrow." GROVEL v. To work interminably and without apparent progress. Often used with "over". "The compiler grovelled over my code." Compare GRIND and CRUNCH. Emphatic form: GROVEL OBSCENELY. GRUNGY adj. Incredibly dirty or grubby. Anything which has been washed within the last year is not really grungy. Also used metaphorically; hence some programs (especially crocks) can be described as grungy. GUBBISH [a portmanteau of "garbage" and "rubbish"?] n. Garbage; crap; nonsense. "What is all this gubbish?" GUN [from the GUN command on ITS] v. 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." HACK n. 1. Originally a quick job that produces what is needed, but not well. 2. The result of that job. 3. NEAT HACK: A clever technique. Also, a brilliant practical joke, where neatness is correlated with cleverness, harmlessness, and surprise value. Example: the Caltech Rose Bowl card display switch circa 1961. 4. REAL HACK: A crock (occasionally affectionate). v. 5. With "together", to throw something together so it will work. 6. To bear emotionally or physically. "I can't hack this heat!" 7. To work on something (typically a program). In specific sense: "What are you doing?" "I'm hacking TECO." In general sense: "What do you do around here?" "I hack TECO." (The former is time-immediate, the latter time-extended.) More generally, "I hack x" is roughly equivalent to "x is my bag". "I hack solid-state physics." 8. To pull a prank on. See definition 3 and HACKER (def #6). 9. v.i. To waste time (as opposed to TOOL). "Watcha up to?" "Oh, just hacking." 10. HACK UP (ON): To hack, but generally implies that the result is meanings 1-2. 11. HACK VALUE: Term used 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 has code to read and print roman numerals, which was installed purely for hack value. HAPPY HACKING: A farewell. HOW'S HACKING?: A friendly greeting among hackers. HACK HACK: A somewhat pointless but friendly comment, often used as a temporary farewell. [The word HACK doesn't really have 69 different meanings. In fact, HACK has only one meaning, an extremely subtle and profound one which defies articulation. Which connotation a given HACK-token has depends in similarly profound ways on the context. Similar comments apply to a couple other hacker jargon items, most notably RANDOM. - Agre] HACKER [originally, someone who makes furniture with an axe] n. 1. A person who enjoys learning the details of programming systems and how to stretch their capabilities, as opposed to most users who prefer to learn only the minimum necessary. 2. One who programs enthusiastically, or who enjoys programming rather than just theorizing about programming. 3. A person capable of appreciating hack value (q.v.). 4. A person who is good at programming quickly. Not everything a hacker produces is a hack. 5. An expert at a particular program, or one who frequently does work using it or on it; example: "A SAIL hacker". (Definitions 1 to 5 are correlated, and people who fit them congregate.) 6. A malicious or inquisitive meddler who tries to discover information by poking around. Hence "password hacker", "network hacker". HACKISH adj. Being or involving a hack. HACKISHNESS n. HAIR n. The complications which make something hairy. "Decoding TECO commands requires a certain amount of hair." Often seen in the phrase INFINITE HAIR, which connotes extreme complexity. HAIRY adj. 1. Overly 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: "He knows this hairy lawyer who says there's nothing to worry about." HAKMEM n. MIT AI Memo 239 (February 1972). A collection of neat mathematical and programming hacks contributed by many people at MIT and elsewhere. HANDWAVE 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, what a handwave!" The use of 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 forearms still while rotating the hands at the wrist to make them flutter. In context, the gestures alone can suffice as a remark. HARDWARILY adv. In a way pertaining to hardware. "The system is hardwarily unreliable." The adjective "hardwary" is NOT used. See SOFTWARILY. HELLO WALL See WALL. HIRSUTE Occasionally used humorously as a synonym for HAIRY. HOOK n. An extraneous piece of software or hardware included in order to simplify later additions or debug options. For instance, a program might execute a location that is normally a JFCL, but by changing the JFCL to a PUSHJ one can insert a debugging routine at that point. HUMONGOUS, HUMUNGOUS See HUNGUS. HUNGUS (hung'ghis) [perhaps related to current slang "humongous"; which one came first (if either) is unclear] adj. Large, unwieldy, usually unmanageable. "TCP is a hungus piece of code." "This is a hungus set of modifications." IMPCOM See TELNET. INFINITE adj. Consisting of a large number of objects; extreme. Used very loosely as in: "This program produces infinite garbage." IRP (erp) [from the MIDAS pseudo-op which generates a block of code repeatedly, substituting in various places the car and/or cdr of the list(s) supplied at the IRP] v. To perform a series of tasks repeatedly with a minor substitution each time through. "I guess I'll IRP over these homework papers so I can give them some random grade for this semester." JFCL (djif'kl or dja-fik'l) [based on the PDP-10 instruction that acts as a fast no-op] v. To cancel or annul something. "Why don't you jfcl that out?" [The licence plate on Geoff Goodfellow's BMW is JFCL.] JIFFY n. 1. Interval of CPU time, commonly 1/60 second or 1 millisecond. 2. Indeterminate time from a few seconds to forever. "I'll do it in a jiffy" means certainly not now and possibly never. JOCK n. Programmer who is characterized by large and somewhat brute force programs. The term is particularly well-suited for systems programmers. J. RANDOM See RANDOM. JRST (jerst) [based on the PDP-10 jump instruction] v. To suddenly change subjects. Usage: rather rare. "Jack be nimble, Jack be quick; Jack jrst over the candle stick." JSYS (jay'sis), pl. JSI (jay'sigh) [Jump to SYStem] See UUO.