z/OS JES3 Initialization and Tuning Reference
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Statement Summary

z/OS JES3 Initialization and Tuning Reference
SA32-1005-00

Table 1. DEVICE (Processor Status) Summary
Variable Value
Required/Optional Statement Optional
Statement Default None
Placement in Initialization Stream This statement must follow the ENDJSAM statement.
Coding Considerations  
Security Usage None
Performance Considerations None
Initialization Stream Overrides None
Restart or Command Modification
  • Hot start with refresh for all parameters.
  • You can add a DTYPE=SYSMAIN DEVICE initialization statement during a hot start with refresh if the corresponding MAINPROC statement has already been defined.
  • You can delete a DTYPE=SYSMAIN DEVICE initialization statement during a hot start with refresh if the corresponding MAINPROC statement is not also deleted.

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