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Page 217

liard. How one pronounces this depends on whether one speaks giga- with a hard or soft 'g'.
GIPS /gips/ or /jips/ n. [analogy with MIPS] 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 to change. Compare KIPS.
glark /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 contains many nonsklarkish English flutzpahs, but 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 verb to 'glark' because glork was already an established jargon term. Compare grok, zen.
glass n. [IBM] Synonym for silicon.
glass tty /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: like a printing terminal, it can't do fancy 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; compare dumb terminal, smart terminal. See "TV Typewriters" (Appendix A) for an interesting true story about a glass tty.
glassfet /glas'fet/ n. [by analogy with MOSFET, the acronym for 'Metal-Oxide-Semiconductor Field-Effect Transistor'] Syn. firebottle, a humorous way to refer to a vacuum tube.
glitch /glich/ [from German 'glitschig' 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 is specifically called a power glitch (also power hit), 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. vi. To commit a glitch. See gritch. 3. vt. [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.

 
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