I've just read through the TUHS mail: SCO vs. IBM.
I think we're missing the point a bit. The Caldera license places the
UNIX research editions 1 to 7, and 32V, under a BSD-style license.
Later systems such as System III and System V are not covered.
Although the Caldera license helps protect the newer BSDs from license
infringement, SCO/Caldera can still sue anybody if they believe that
their IP from System III/System V and on has been violated.
IBM has a source license to System V and has contributed to Linux.
I think that this is the approach that SCO/Caldera are taking in the
lawsuit.
The BSDs are more immune here, unless BSDI or Apple also have a System V
source license. [ Er, um, given the existence of Apples A/UX, they probably
do. Ah, I should have kept my mouth shut :-) ]
So: I don't think the BSDs or the Unix Archive are under any immediate
threat. I agree with whoever that suggested that SCO/Caldera are doing
this as a means of raising revenue.
Just my $0.02 here.
Warren