Displays information about LSE and SCA commands. In response to
    the Topic? prompt, you can also display such information as:

    o  New features in the update ("New_Features")

    o  Brief command descriptions with SCA commands noted ("Commands")

    o  Directions and suggestions for new users ("New_Users")

    o  Tutorial information about the use of many LSE features
       ("Features")

    o  Information about SCA topics ("SCA_Topics")

    Format

      HELP   [topic-list]

    You can switch to the LSE portable command language by
    using the SET COMMAND LANGUAGE PORTABLE command.  You can
    then request help on the portable command language.  You
    can return to the CLI-based parser by entering the command
    SET COMMAND LANGUAGE VMS.