history of Unix

[Doug Gwyn]

In article <1991Feb21.170724.28164 at zip.eecs.umich.edu> bguthy at amazon.eecs.umich.edu (Bala S. Guthy) writes:
>Hello, After I saw the question about "rc" in /etc/rc 
>my intereset in other such trivia has been piqued. Does
>anyone know of a good Unix reference for such questions.
>i.e, is there a book on history of UNIX.

"Life With UNIX" by Don Libes and Sandy Ressler (1989 Prentice-Hall,
ISBN 0-13-536657-7) is probably your best bet.