Usage: J <channel> [key] 
Usage: J <channel1,channel2,...,channels> 
   Makes you JOIN the specified channel(s). In the first form, the leading 
   '#' can be omitted. If the channel you want to JOIN has a key, this has 
   to be provided in order for you to join. ie. /J LiCe makes you JOIN
   "#LiCe" /J #singles,#chatzone makes you JOIN "#singles" and "#chatzone" 
   simultaneously. /J #lamers doofus makes you JOIN "#lamers" and assumes
   the key "doofus" is used.

See also: [L] [CHG] [CYCLE]

