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Linux Pocket Guide, 2nd Edition by Daniel J. Barrett

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Instant Messaging

pidgin

Instant messaging and IRC client.

talk

Linux/Unix chat program.

write

Send messages to a terminal.

mesg

Prohibit talk and write.

tty

Print your terminal device name.

Linux provides various ways to send messages to other users on the same machine or elsewhere on the Internet. These range from the ancient programs talk and write, which work over Linux terminal devices (ttys), to more modern instant messaging clients like pidgin.

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