IRC

• List channels
• Enter channel
• Leave channel
• Send private message in channel
• Start private chat to user
• Shows lag to a person

Wikipedia List of IRC Commands

List channels

/list

/list *keyword*

Enter channel

/join <channel>

Leave channel

/part

Send private message in channel

/notice <username>

Start private chat to user

/msg <username>

Shows lag to a person

/ping <nick>

/quit

/help