Specifies that only those modules inserted earlier than a particular time be listed. Format /BEFORE[=time] time Limits the modules to be listed to those inserted in the library before a specified time. You can specify an absolute time or a combination of absolute and delta times.
1 – Example
$ LIBRARY/LIST/BEFORE=15-APR-:15 MATHLIB This LIBRARY command lists the modules that were inserted into MATHLIB.OLB before 3 p.m. on April 15.