Register
Make sure you're using the nickname you would like to register.
/msg nickserv register YOURPASSWORD YOUREMAIL
# (Example: /msg nickserv register chattingiscool julie@montreal.com)
Connecting:
/msg NickServ IDENTIFY password
# For example: /msg nickserv identify chattingiscool
Useful command:
Say you've just been disconnected and you reconnect and your "ghost" is still there using your nickname. Just type:
/msg NickServ GHOST nickname password
For example: /msg nickserv ghost juliebug chattingiscool