Job Entry Subsystem A function of the MVS operating system to spool input/output data
Job entry subsystem A MVS subsytem for spooling jobs, queuing jobs and managing input/output
Job Entry Subsystem A specific IBM Job Entry Subsystem for the OS/VS1 operating system that is also known as JES1 and RES In more general terms, a job entry subsystem controls the batch job environment and, as part of that environment, collects information from Remote Job Entry (RJE) workstations and distributes information to RJE workstations