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evil if you're prone to typos." Often pronounced with the first syllable lengthened, as /eeee'vil/. Compare evil and rude.
evil and rude adj. Both evil and rude, but with the additional connotation that the rudeness was due to malice rather than incompetence. Thus, for example: Microsoft's Windows NT is evil because it's a competent implementation of a bad design; it's rude because it's gratuitously incompatible with Unix in places where compatibility would have been as easy and effective to do; but it's evil and rude because the incompatibilities are apparently there not to fix design bugs in Unix but rather to lock hapless customers and developers into the Microsoft way. Hackish evil and rude is close to the mainstream sense of 'evil'.
exa- /ek'sU0259.gif/ pref. [SI] See quantifiers.
examining the entrails n. The process of grovelling through a core dump or hex image in an attempt to discover the bug that brought a program or system down. The reference is to divination from the entrails of a sacrified animal. Compare runes, incantation, black art, desk check.
EXCH /eks'chU0259.gif/ 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 PDP-10 instruction that exchanged the contents of a register and a memory location. Many newer hackers are probably thinking instead of the PostScript exchange operator (which is usually written in lowercase).
excl /eks'kl/ n. Abbreviation for 'exclamation point'. See bang, shriek, ASCII.
EXE /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 though Unix executables don't have any required suffix.
exec /eg-zek'/ or /eks'ek/ 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 probably derived from UNIVAC's archaic EXEC 2 and EXEC 8 operating systems. 3. At IBM and VM/CMS shops, the equivalent of a shell command file (among VM/CMS users).

 
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