Quake 3
/who : Display list of players
/say : Message displayed to every player.
/say4 : Speak to Player 4
/say3 :Speak to Player 3
/say2 : Speak to Player 2
/say1 :Speak to Player 1
\help : List commands.
/tell_attacker : Deliver a message to your attacker.
/say_team : Deliver a message to your team. (used in team based modes.)
/tell_target : Deliver a message to your targeted enemy.
/clear : Clear the console