Space announcement This documentation space provides the same content as before, but the organization of the content has changed. The content is now organized based on logical branches instead of legacy book titles. We hope that the new structure will help you quickly find the content that you need.

NUMATB


The maximum number of steps (application program TCBs), active and completed, that can exist in the Xchange request queue at any given time. NUMATB control blocks remain in use until you delete the associated request table entries and return them to the pool of free NUMxxx control blocks. The number must be between 10 and 100000. The default is 256.

 

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