OpenVMS Kerberos is an authentication security product.  It allows
    authentication for a wide range of security products such as RLOGIN,
    TELNET, and FTP.

    Format:

       KERBEROS [/ADMIN]
                [/INTERFACE=[DECWINDOWS | CHARACTER_CELL]]

1 - Qualifiers

 1.1 - /ADMIN

       /ADMIN

    Activates the Kerberos administration utility for the selected
    interface.

 1.2 - /INTERFACE

       /INTERFACE=CHARACTER_CELL (default)
       /INTERFACE=DECWINDOWS

       Activates the display interface requested, if available.