/alias [Aliasname [Befehl [Argumente]]]
einen Alias für einen Befehl anlegen
alias_name: name of alias
command: command name (many commands can be separated by semicolons)
arguments: arguments for command
Without argument, this command lists all defined alias.
Note: in command, special variables $1, $2,..,$9 are replaced by arguments given by user, and $* is replaced by all arguments.
Variables $nick, $channel and $server are replaced by current nick/channel/server.