Software requirements and optional software

Installing and maintaining IBM Z Workload Scheduler requires one of the following products:

z/OS® (program number 5650-ZOS). For the minimum version supported, see the Program Directory.
IBM® SMP/E for z/OS. For the minimum version supported, see the Program Directory.

IBM Z Workload Scheduler requires the functions provided by a z/OS control program running on a z/OS system. The Job Entry Subsystem might be either JES2 or JES3.