[mdlug] Grep Tuxworthy says..

[Jonathan Billings]

On Thu, May 02, 2013 at 05:25:51AM -0400, Aaron Kulkis wrote:
> OS-X *IS* Unix (BSD Unix) with a MAC-OS-like GUI wrapped around it.
> 
> BSD Unix started out as ATT&T System 7 Unix, but over time, all of
> the AT&T code replaced.

If you want to be exact about it, the reason why MacOSX is UNIX is
because Apple has obtained UNIX 03 certification for the latest
releases of the OS from the Austin Group, who maintain the Single UNIX
Specification (the collection of all the ISO, IEEE POSIX and Open
Group specifications).

-- 
Jonathan Billings <billings at negate.org>