"How to concatenate my datasets to ISPPLIB, ISPEXEC etc."
- Open "Current Data Set Allocations" page (Type it in command line at any ISPF page):
TSO ISRDDN
- Save current list of data set allocations into <user>.ISRDDN.CLIST:
CLIST
- Open <user>.ISRDDN.CLIST and concatenate your libraries to allocation command of specific DD.
- Go to READY page and execute command:
EXEC '<user>.ISRDDN.CLIST'