NickServ

Command Info
REGISTER Register a nickname
CONFIRM Confirm a nickserv auth code
GROUP Join a group
IDENTIFY Identify yourself with your password
ACCESS Modify the list of authorized addresses
SET Set options, including kill protection
CERT Modify the nickname client certificate list
DROP Cancel the registration of a nickname
RECOVER Kill another user who has taken your nick
RELEASE Regain custody of your nick after RECOVER
GHOST Disconnects a “ghost” IRC session using your nick
ALIST List channels you have access on
INFO Displays information about a given nickname
AJOIN Manipulate the AutoJoin list
LOGOUT Reverses the effect of the IDENTIFY command