z/OS MVS JCL Reference
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DYNAM parameter

z/OS MVS JCL Reference

Parameter type

Positional, optional


Use the DYNAM parameter to increase by one the control value for dynamically allocated resources held for reuse. Even when DYNAM is not coded, the system normally holds resources in anticipation of reuse. The DYNAM parameter is supported to provide compatibility with older systems.

A DD DYNAM statement is a dummy request.

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