KERBEROS

   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]] 

Additional information available:

Qualifiers
/ADMIN          /INTERFACE