[TUHS] MacOS X is Unix (tm)

Chet Ramey chet.ramey at case.edu
Tue Jan 3 03:05:15 AEST 2017


On 1/2/17 11:49 AM, Larry McVoy wrote:
> On Mon, Jan 02, 2017 at 11:44:06AM -0500, Chet Ramey wrote:
>> On 1/2/17 6:31 AM, Joerg Schilling wrote:
>>> David <david at kdbarto.org> wrote:
>>>
>>>> MacOS X is a certified Unix (tm) OS. Not Unix-Like.
>>>
>>> Given that MacOS X is not POSIX compliant, I would call it a UNIX-alike.
>>>
>>> Note that passing the certification tests unfortunately does not grant 
>>> POSIX compliance :-(
>>
>> That's pretty much exactly what it means.  You have either found a bug or a
>> place where the interpretation is disputed.
> 
> Joerg is pretty smart, he's been around the block.  There have been
> multiple POSIX standards, just like there is C9, C11, etc.  My guess is
> MacOS got certified for an earlier standard and hasn't kept up.

This came up on the Posix list.  He found what I consider to be a bug.
The fact that Mac OS X passed the compliance test and got the branding
is not in dispute.
> 


-- 
``The lyf so short, the craft so long to lerne.'' - Chaucer
		 ``Ars longa, vita brevis'' - Hippocrates
Chet Ramey, UTech, CWRU    chet at case.edu    http://cnswww.cns.cwru.edu/~chet/


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