by Robert Sample » Thu Jun 01, 2017 4:49 pm
First, compress and delete are two very different operations. Compress generally applies ONLY to a PDS (partitioned data set) and removes free space holes within the PDS that arise as members are deleted and re-added (such as when a member is edited). Delete means to completely remove the data set from the system.
Second, IEBCOPY is the usual batch method to compress a PDS. ISPF 3.4 in TSO also allows a data set to be compressed.
Third, deleting data sets can be done online (ISPF 3.4) or through batch (reference the data set with DISP=(OLD,DELETE,DELETE) in the JCL).
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