COMPress (PDS only) command
The COMPress line command compresses the specified library.
Usage notes
COMPress can be used as a line command or, when preceded by an item number, as a main command.
The COMPress command ignores the member name field.
Examples
Command Member Num. Data Set Names/Objects Volume
-------- -------- ---- ----------------------- ------
COMPRESS 2 'ACCOUNTS.JONES.COBOL'
COMP 3 'ACCOUNTS.TEST.COBOL' TST001