Job Entry System

<operating system> (JES) An IBM mainframe term. There are really two JESs. JES2 is smaller and simpler, and can handle 99.99% of most jobs that run on IBM's MVS operating system. JES3 is much bigger and requires really big iron to run.

Last updated: 1996-03-23

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jo « job « Job Control Language « Job Entry System » Jobs » job security » jock

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