Basic CLI commands

    - back
    - clear 
    - echo [text-to-echo] [extra-text-to-echo] [more-text] 
    - enable-admin
    - exec [-echo] [-syntax] filename | eof-marker-string
    - exit [all]
    - help
    - history
    - info [detail]
    - logout
    - password
    - ping {ip-address | dns-name} [rapid | detail] [ttl time-to-live] [tos type-of-service] [size bytes] [pattern pattern] [source ip-address] [interval seconds] [{next-hop ip-address} | {interface interface-name} | bypass-routing] [count requests] [do-not-fragment] [router router-instance | service-name service-name] [timeout timeout] 
    - pwc [previous]
    - sleep [seconds]
    - ssh [ip-addr | dns-name | username@ip-addr] [-l username] [-v SSH-version]  [router router-instance] 
    - telnet [ip-address | dns-name] [port] [router router-instance] 
    - traceroute {ip-address | dns-name} [ttl value] [wait milliseconds] [no-dns] [source ip-address] [tos type-of-service] [router router-instance]
    - tree [detail]
    - write {user | broadcast} message-string