Requests that update history record headers be listed (for
    libraries that contain a history).

    The operation referred to in the header has one of three values:
    replaced, inserted, or deleted.

    Format

      username operation n modules on dd-mmm-yyy hh:mm:ss

1 - Example

  $ LIBRARY/LIST/HISTORY/MACRO SETUP

      This LIBRARY command lists the headers of the update history
      records in the macro library SETUP.MLB.