Recovers your nick from another user or from services. If services are currently holding your nick, the hold will be released. If another user is holding your nick and is identified they will be killed (similar to the old GHOST command).
If they are not identified they will be forced off of the nick.
*Your password is only required if you are not identified to your account.
NOTE: GHOST and RELEASE are enabled but, RECOVER is recommended over the old GHOST and RELEASE commands.
/NS recover nickname [password]
/msg NickServ recover Fred MyPassword