VMS Help Hints, Security, Security Auditing  *Conan The Librarian (sorry for the slow response - running on an old VAX)

    The SET AUDIT command and the SHOW AUDIT command provide the
    management interface to the security auditing system, and the
    ANALYZE/AUDIT command processes the audit log file.

    ANALYZE/AUDIT          Processes event messages in security audit
                           log files to produce reports of security-
                           related events on the system.
    SET AUDIT/ENABLE       Select categories of events to audit.
    /AUDIT
    SET AUDIT/SERVER       Change the operational characteristics of
                           the audit server
    SET AUDIT/JOURNAL      Establish the location of the audit log
    /DESTINATION           file.
    SET AUDIT/RESOURCE     Control the monitoring of the log file's
                           disk space.
    SHOW AUDIT             Displays the security auditing
                           characteristics in effect on the system.