To invoke LANCP, enter the following command at the DCL command prompt:
    prompt:

    $ RUN SYS$SYSTEM:LANCP

    The LANCP utility displays the LANCP> prompt, at which you can enter any
    LANCP command described here.

    To define LANCP as a foreign command, either at the DCL prompt or in a
    startup or login command file, enter:

    $ LANCP :== $SYS$SYSTEM:LANCP

    Then you can enter the LANCP command at the DCL prompt to invoke the
    utility and enter LANCP commands.

    When you enter the LANCP command:

    o  If you don't specify a command, the LANCP utility displays the LANCP>
       prompt, at which you can enter commands.

    o  If you do specify a command, the LANCP utility executes the command
       and returns to the DCL command prompt.

                              NOTE

       Some LANCP commands require special privileges.

    To exit from the LANCP utility, enter the EXIT command at the LANCP>
    prompt or press Ctrl/Z.

    To get help, enter the HELP command at the LANCP> prompt.