The MODIFY (F) command reports system status, including open compressed data sets; receives dumps; or refreshes the exclusion list. You may need to know which data sets are open, and to which jobs, before stopping CA Compress.
CA Compress data sets under control of CICS or other online systems should be closed by the operator before CA Compress is stopped. Otherwise, abends in the online system are likely.
The STATUS option shows how many compressed data sets are open. The format of the command is:
F ZSAMT,STATUS
The LIST option shows the names of compressed data sets being accessed, and the names of the jobs accessing them. The format of the command is:
F ZSAMT,LIST
The REFRESH option refreshes the exclusion tables from the sequential data set or member specified in the started task JCL so you do not have to restart the started task to refresh the tables. The format of the command is:
F ZSAMT,REFRESH,EXCLUSION
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