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Idaho State University

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Exec
  • [UNIX from `execute'] Synonym for chain, derives from the `exec(2)' call.
  • [from `executive'] obs. The command interpreter for an OS (see shell); term esp. used around mainframes, and prob. derived from UNIVAC's archaic EXEC 2 and EXEC 8 operating systems.
  • At IBM and VM/CMS shops, the equivalent of a shell command file (among VM/CMS users). The mainstream `exec' as an abbreviation for (human) executive is *not* used. To a hacker, an `exec' is a always a program, never a person. exercise, left as an [from technical books] Used to complete a proof when one doesn't mind a handwave, or to avoid one entirely. The complete phrase is "The proof [or `the rest'] is left as an exercise for the reader. " This comment *has* occasionally been attached to unsolved research problems by authors possessed of either an evil sense of humor or a vast faith in the capabilities of their audiences.