Configuring users on the Digi CM/Passport via the command line.

 Adding Users.
        useradd -d /tmp [-g groupid ] [-s shellprogram ] [username]
        groupid = Options are: Sys admin, Port admin, or Standard User.
        500 = Sys admin
        501 = Port admin
        502 = Standard User
        These are the three types of groups supported by the Digi CM/Passport. You must use one of these.

        shellprogram = Options are: CLI (Command Line), Config menu, Port access menu, or Custom menu.
        /bin/bash = CLI
        /bin/editconf = Configuration menu
        /bin/vts.master = Port access menu
        /bin/menu = Custom menu
        These are the four types of shells supported by the Digi CM/Passport. You must use one of these four.

        passwd [username]
        saveconf
        applyconf

 Modifying Users.
        usermod -d /tmp [-g groupid] [-s shellprogram] [username]
        Syntax is the same as it is for useradd mentioned above.
        saveconf
        applyconf

 Deleting Users.
        userdel [username]
        saveconf
        applyconf