VMS Help SHOW, USERS, Qualifiers, /INTERACTIVE  *Conan The Librarian (sorry for the slow response - running on an old VAX)

       /INTERACTIVE
       /NOINTERACTIVE

    Displays all interactive processes held by users in the OpenVMS
    Cluster environment. To restrict the display to users on specific
    nodes, use the /INTERACTIVE qualifier with the /NODE qualifier.
    When you use the /NOINTERACTIVE qualifier, all interactive
    processes held by users in the OpenVMS Cluster environment are
    excluded from the display.