JES : Job Entry Subsystem
JES : Job Entry Subsystem In this MainFrame tutorial, you will learn about JES : Job Entry Subsystem, Job Scheduler, types of JES, HASP, ASP, Job management of MVS, General Phases in a Job viz Input, Conversion, Processing, Output, Print and Purge. Job Entry Subsystems: Job Scheduler: JES is an MVS component which keeps track of jobs that enter the system. The job entry subsystem also called as JES in short is used by MVS operating system. The JES is the component which presents jobs for MVS processing and sends the job’s spooled output back to the correct destination. A…