Sometimes, especially if the network is unstable, or you get disconnected you may end up with a ghosted nickname.
What that means is that although you have quit, the IRC server did not receive your quit, and has not released your nickname.
It will still appear on any channels you were, and if you do a /whois you will see it has your internet address
and your username.
With NickServ you can immediately release that nickname, not having to wait until it quits by itself (usually with a Ping Timeout or
Operation Timed Out error.) You can retrieve a ghosted nickname, by using the GHOST command. The format is:
/NickServ GHOST nickname YourPasswordHere
Use of the password might or might not be required. If your current address is on the access list, then you do not need to use the password.
If your current address is not in the access list, then you must supply the nickname password.
NickServ will then reply saying that the nickname was killed, at which time you can change your nick to your old nickname and continue chatting.
Please note that you cannot use the GHOST command on yourself, since NickServ is not Dr. Kevorkian :)
Also, if you get an error message when using the GHOST command, try a /whois on the nickname. If you see the address
as: firstname.lastname@example.org then you should use the RELEASE command.
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