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Internet Relay Chat(IRC) is a form of real-time Internet text messaging. It is mainly designed for group communication in discussion forums, called channels, but also allows one-to-one communication via private message as well as chat and data transfers via Direct Client-to-Client. As of May 2009, the top 100 IRC networks served more than half a million users at a time, with hundreds of thousands of channels (many of which stand mostly vacant), operating on a total of roughly 1,500 servers worldwide.


The basic means of communication in an established IRC session is a channel. Channels in a server can be displayed using the IRC command LIST that lists all currently available channels.

Users can join to a channel using the JOIN command, in most clients available as /join #channelname. Messages sent to the joined channels are then relayed to all other users.

Channels that are available across an entire IRC network are prepended with a '#', while those local to a server use '&'. Other non-standard and less common channel types include '+' channels—'modeless' channels without operators — and '!' channels, a form of timestamped channel on normally non-timestamped networks.

List of IRC ClientsEdit

An IRC Client is a program used to access the IRC network. Here is a list of the known clients.

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