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

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Name

talk — stdin  stdout  - file  -- opt  --help  --version

Synopsis

talk [user[@host]] [tty]

The talk program predates modern instant messaging by a few decades: it connects two users, logged in on the same or different hosts, for one-to-one communication. It runs in a shell window, splitting it horizontally, so you can see your own typing and that of your partner.

$ talk friend@example.com

If your partner is logged in multiple times, you can specify one of his ttys for the talk connection.

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