I don't play bnet, so corrections welcome.
Thanks to Darkoooo for the info.
Battle.Net Commands
/users: Displays all number of users, games and channels on the server.
/who (channel): Who is on this channel.
/time: Displays your local time and Battle.net server time.
/away (reason): Says to other users that you are away and displays away text. (unaway=/away again)
/channel (channel): Join selected channel. (SHORT FORM: /join)
/resign or /rejoin: Rejoin current channel.
/whois (player): Get player's personal info. (SHORT FORM: /whois)
/whisper (player): Sends a private message. (SHORT FORM: /w or /msg)
/squelch (player): Ignore messages from this player. (SHORT FORM: /ignore)
/unsquelch (player): Turns off squelch for this player. (SHORT FORM: /unignore)
/designate (player): Assigns new Channel Operator. (For Channel Operator, /resign required)
/kick (player): Kick specified player. (For Channel Operator)
/ban (player): Ban specified player. (For Channel Operator)
/unban (player): Unban specified player. (For Channel Operator)
/dnd (reason) This command prevents all whispers from being displayed on your screen. This is excellent if you are in a game and do not want to be disturbed. To turn it off simply type /dnd. DO NOT put your password in after this command - see
How not to get hacked thread.
/stats (username) Shows the stats of a STARCRAFT player. It will however always show 0-0-0 for Diablo players or if you are using Diablo yourself. This command works even if the user is not currently on Battle.net. It is thus a good way to see if a certain account name is in use or not.
/clan (your name) This command will allow you to creat a clan channel. Another words you can go into the channel and get ops even if you werent the first one in it. The room is based on your name.
/msg (D2 CharacterName) Messages a charter name in Diablo 2 (note this is not the account name)
/msg (D2 CharacterName@RealmName (where RealmName is
USWest, USEast, Asia, or Europe) example: /msg John@USEast hi john
/msg *(accountname) Make sure it has the star in front of the account name. As far as I know this is only for D2
/friends (help) This will help explain how to use the friends command. There are 5 different parameters you can use on this one
Ctrl-m Turns off the music
Additional Single Player Commands
/players (1-8) This sets the number of players to artificially increase the difficulty.
/w (player) Whispers the player in game, so others cannot hear what is said.
/squelch (player): Ignore messages from this player.