>> I feel the BSDs are not properly represented here.
>>
>> http://www.opensource.org/timeline.png
>
>Definitely.  Neither, for that matter, is the original Research UNIX.
>System III and System V are no more based on the Seventh Edition
>(called Version 7 there) than 4BSD is.  They've omitted that System
>III was really based on PWB, which derived from the Sixth Edition with
>some additions from the Seventh Edition.  Also, 4BSD was based on VAX
>hardware, not the PDP 11, and it was derived from Research UNIX by way
>of a short-lived version called 32V and then from 3BSD.  There's a
>much better overview in "The Design and Implementation of the 4.4BSD
>Operating System", page 5, and also at
>http://www.levenez.com/unix/history.html.

wbut consider what that picture is trying to represent.

 * sco - who started this
 * ibm - who has been mentioned
 * linux - who has been mentioned
 * bsd - who was mentioned the last time something like this was
   started
 * at&t and the lineage of unix

it's not trying to describe the precise geneology of each of those,
nor is it claiming to be an authoritative diagram of same.  all it is
is a rough diagram of the interrelationship between the five parties,
and the extent to which linux is related to sco.

imo.

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