Commands:
  say <message>  - Says something out loud, e.g. 'say Hello'
  look           - Examines the surroundings, e.g. 'look'
  go <exit>      - Moves through the exit specified, e.g. 'go outside'
  <exit>         - You can exclude the 'go' and just enter the exit.
  who            - Lists all players currently connected
  save           - Saves your character
  quit           - Saves your character then closes the connection

For a full list of commands and help topics:
  help index