Daniel J. Bernstein wrote some papers on TTYs in Unix in the early 1990s.
Alas! He doesn't even publish them on his own WWW site.
Therefore, here they are (with typographical errors corrected and HTML
markup added), preserved for posterity. These were taken from a shell
archive constructed by
smark!pmetzger in 1992.
There is a Frequently Given Answer on the subject of the Unix login database.
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Jonathan de Boyne Pollard.
"Moral" rights asserted.
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