JES2 and JES3 subsystems

GPTKB entity

Statements (26)
Predicate Object
gptkbp:instanceOf mainframe subsystem
gptkbp:component gptkb:z/OS
gptkbp:developedBy gptkb:IBM
gptkbp:function job entry system
https://www.w3.org/2000/01/rdf-schema#label JES2 and JES3 subsystems
gptkbp:introducedIn 1970s
gptkbp:JES2 gptkb:Job_Entry_Subsystem_2
widely used
descended from HASP
still supported
gptkbp:JES3 Job Entry Subsystem 3
descended from ASP
discontinued in 2023
replaced by JES3plus
used in large installations
gptkbp:manages batch jobs
spooling
gptkbp:predecessor gptkb:ASP
HASP
gptkbp:successor gptkb:JES3plus
gptkbp:supports gptkb:SNA
gptkb:VTAM
gptkb:JCL
gptkbp:usedOn gptkb:IBM_mainframe
gptkbp:bfsParent gptkb:IBM_MVS_operating_system
gptkbp:bfsLayer 7