[rescue] OS X is certified UNIX

Robert Darlington rdarlington at gmail.com
Wed Jun 13 15:42:23 CDT 2007

To be called UNIX you have to license the trademark from the OpenGroup
(see www.unix.org) and nothing more.... well mostly.  They will only
license it to you if you pass their tests for meeting various
requirements of the UNIX specification.  The UNIX specification is
something like 90 pounds in print.  The OpenGroup owns the trademark.
I don't think you can be grandfathered into that but I'm not a lawyer.


On 6/13/07, der Mouse <mouse at rodents.montreal.qc.ca> wrote:
> > At one time a group of people working for AT&T Labs went through the
> > "free" BSD code and compared it line for line looking for AT&T code.
> > They found none, so BSD is not UNIX.
> I think that does not follow.  For a system to have the right to be
> labeled with the trademark "UNIX", as I understand it, it needs to pass
> a certification suite, nothing more - it does not need to have any Bell
> Labs code in it.  Testing against the suite is expen$ive, too, and
> quite probably certifies only a particular version, so the BSDs (a)
> probably couldn't afford it and (b) wouldn't see the point when their
> system is a fast-moving target anyway.
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