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because (particularly if the standard Computer Modern fonts are used) it generates vast output files. See religious issues, TEX.
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.
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.
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.
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.
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

 
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