Is Mac OS X UNIX?

I had this argument lately claiming Mac OS X was not UNIX, yet Unix-like.

I recognize there is a Single Unix Specification and also those spec certified can make use of the UNIX profession mark.

Is Mac OS X a UNIX os or is it a Unix-like?

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2019-05-04 03:26:31
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Answers: 3

One large distinction is that X11 assimilation is a little bit various. X11 application will certainly not looks excellent on a Mac, you need to by hand start an XServer that's not offered way too much love. Apart from that I assume it's a Mach micro-kernel with the FreeBSD network pile, and also the userland resembles Linux.

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2019-05-08 01:17:21
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Well, considered that it's fully POSIX compliant I would certainly claim yes.

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2019-05-07 19:24:52
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All yet one release of Mac OS X (currently macOS ) has actually been certified as Unix by The Open Group, beginning with 10.5 :

At any kind of offered time, Apple's page on The Open Group site just details the existing variation of macOS and also occasionally the previous variation, yet every one of the web links over went to one factor located using that web page.

OS X's standing as a qualified Unix is called out in Apple's Unix technology brief, which additionally has various other excellent technological little bits in it that will certainly aid you contrast it to various other UNIX ® and also Unix-like systems.

I check Apple's web page on the Open Group's internet site as a result of the appeal of this solution, and also I never ever saw Lion turn up there. Jabbing about with the clear URL system in the web links over additionally shows up no surprise Lion qualification web page. Andrew Josey, VP Standards & Certification of the Open Group was asked if there is a missing out on qualification, and also he appears.

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2019-05-07 18:26:50
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