/HELP[="topic"]

    Provides information about MMS and its qualifiers. The topic is
    an MMS topic on which you want information.

    The /HELP qualifier displays information about MMS on your
    terminal. If you specify the /HELP qualifier without a topic,
    MMS displays general information and a list of qualifiers. To
    get help on a specific topic, type /HELP with an equal sign (=)
    and the topic. The topic must be enclosed in quotation marks. For
    example:

    $ MMS/HELP="/RULES"