Set specific options for your client profile.
ALTWELCOME - Alternative welcome message.
FLOOD - Set client class flood options.
LIMIT - Max Users in class.
LUSERS - Show lusers on connect.
MODE - Set the default modes for users.
MODELOCK - Same as MODE but locks the defaults.
MOTD - Show the motd on connect.
MULTI - Allow more than one user per host.
PASSWORD - Require a password to log on.
PING - Ping Time.
RESTRICTED - Only allow java clients to join
Example:
/as help client set <command>