They can evict you from the channel if they so wish. Some large chat servers can support thousands of channels at the same time. Anyone can start a channel but once created, will not disappear until the last person leaves it. Most channels are global in nature, meaning anyone in the world with Internet access and an IRC client can participate. IRC Command Structure IRC, unlike what you may be used to on the Web, is a text-based activity.
Words are the primary means of conveying information and working the network.
If you happen to forget to place the slash before a command everyone on the channel will see what you've typed. Consult our list of the more common IRC commands and what they do. Some pretty fancy new chat clients have appeared on the market that add some cool features to an otherwise textual media. Avatars can even be modified to have facial expressions to better get your point across in a conversation. Microsoft's chat servers support Avatars.