File: //usr/share/irssi/help/join
%9Syntax:%9
JOIN %|[-window] [-invite] [-<server tag>] <channels> [<keys>]
%9Parameters:%9
-window Joins a channel in the active window.
-invite Joins the channel you were last invited to.
-<server tag> The server tag on which you want to join the channel.
The channel names, separated by a comma, to join and the channel key.
%9Description:%9
Joins the given channels.
%9Examples:%9
/JOIN #irssi
/JOIN #basementcat secret_lair
/JOIN -invite
/JOIN -freenode #github,#freenode,#irssi
%9See also:%9 KICK, PART