Design overview

Resource definitions are maintained on the CICS® system definition (CSD) data set. The resource definitions in the CSD data set can be viewed and changed using either the online CEDx transactions, or the offline utility DFHCSDUP.

Installation of resource definitions makes the definitions available to the running CICS system. Resource definitions can be installed at these times:

When resource definitions are installed, they are made available through the appropriate resource managers.

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