z/OS enhancements: JES2
Over the years, there have been constant enhancements to JES2, some of which are intended to let you increase or change the value of most JES2 parameters dynamically.
In general, when new functions are added to JES2, a corresponding change is made to the JES2 commands to let you add or change that function dynamically. Always see the description of the parameter that you want to change in the version of z/OS JES2 Initialization and Tuning Reference, SA32-0992, that applies to your installed release of z/OS. Values that required ...

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