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Where did the terminology "tty" come from in Linux?

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As Danny has stated tty is teletype terminals. The fact is that most of us have used it many times, but few of us have gone so far as to understand it. Here is a very good article which gives us a basic understanding of TTYs in Linux.

The TTY Demystified

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11

This is likely to be a reference to teletype terminals, which would have been used in the early(ish) days of computers.

http://en.wikipedia.org/wiki/Teleprinter

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