# irssi > Text based IRC client since 1999. See also: https://irssi.org for full documentation. - Open irssi and connect to a server with a nickname: `irssi -n {{nickname}} -c {{server.name.com}}` - Open irssi and connect with a specific nickname, server and port: `irssi -n {{nickname}} -c {{server.name.com}} -p {{port}}` - View the help: `irssi --help` - Join a channel: `/join {{#channelname}}` - Change active window (starts at 1): `/win {{window_number}}` - Exit the application cleanly and quitting any server(s): `/quit`