On Sun, 4 Mar 2001, Andrew Brown wrote:
>  * ftp://ftp.freebsd.org/pub/FreeBSD/FreeBSD-current/src/share/misc/bsd-family-tree
>  * ftp://ftp.netbsd.org/pub/NetBSD/NetBSD-current/src/share/misc/bsd-family-tree
> 
> for a family tree.  openbsd is missing from the tree in the book,
> since their first release was around the same time the book was
> published.

Check this if you want a full Unix history tree:
http://perso.wanadoo.fr/levenez/unix/history.html

It's also available in PS & PDF...


 - Hubert

-- 
Hubert Feyrer <hubert.feyrer@informatik.fh-regensburg.de>