help <command>

show server cli
show server ppp

=========== configure a port for serial CLI
server cli port=<port> type=<type>  (type=off to disable)

connect <port>

show server security
server ssh enable auth=<auth>
server ssh disable

show user <username>
show user all
user delete <username>
user add <username> [password=<pwd>][sshkey=<key>]...
    user add john password=secret access=P2,P5-P7,user,smon
user set <username>
user logout <username>
server reboot	(reboots the appliance)