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SRVCCAT

SRVCCAT lets you dynamically concatenate two DD statements by using a TSO command. It allows you to add a data set without having to free and re-allocate an entire file concatenation.

Use this format:

SRVCCAT ddname1 ddname2

Replace ddname1 with the ddname of the concatenation to which you want to add another DD statement.

Replace ddname2 with the ddname of the statement you want to add to the concatenation.

If you want to add an SRVPROC DD statement to the current SYSPROC concatenation, you typically would use the FREE SYSPROC command, which would require that you then reallocate all entries. Instead, issue the command SRVCCAT SYSPROC SRVPROC to dynamically concatenate the DD statement.