Tag Archives: Apple

Mac OS X El Capitan Achieves UNIX® Certification

By The Open Group

The Open Group, an international vendor- and technology-neutral consortium, has announced that Apple, Inc. has achieved UNIX® certification for its latest operating system – Mac OS X version 10.11 known as “El Capitan.”

El Capitan was announced on September 29, 2015 following it being registered as conforming to The Open Group UNIX® 03 standard on the September 7, 2015.

The UNIX® trademark is owned and managed by The Open Group, with the trademark licensed exclusively to identify operating systems that have passed the tests identifying that they conform to The Single UNIX Specification, a standard of The Open Group. UNIX certified operating systems are trusted for mission critical applications because they are powerful and robust, they have a small footprint and are inherently more secure and more stable than the alternatives.

Mac OS X is the most widely used UNIX desktop operating system. Apple’s installed base is now over 80 million users. It’s commitment to the UNIX standard as a platform enables wide portability of applications between compliant and compatible operating systems.

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Apple Registers Mac OS X 10.8 Mountain Lion to the UNIX® 03 Standard

By Andrew Josey, The Open Group

Today, Apple, Inc. released the latest version of the Mac OS X, version 10.8, also known as “Mountain Lion.” In addition to the product’s release, we are pleased to announce that Mac OS X Mountain Lion has achieved certification to The Open Group UNIX® 03 standard, which is the mark for systems conforming to the Single UNIX Specification, Version 3.

The Single UNIX Specification is an open specification that defines the set of required interfaces for a conformant UNIX system. Support for the Single UNIX Specification permits wide portability of applications between compliant and compatible operating systems. High reliability, availability and scalability are all attributes associated with certified UNIX® systems. By registering operating systems as compliant with the Single UNIX Specification, UNIX system suppliers assure their users of the stability, application portability and interoperability of their products.

Over the years, Apple has been a great supporter of the UNIX standard, and today, Mac OS X is the most widely used UNIX desktop operating system. Apple’s installed base—over 50 million users— and commitment to the UNIX standard as a platform is significant to the UNIX certification program. We look forward to continuing to work with Apple and our other UNIX partners in promoting open and interoperable operating systems as the specification continues to evolve.

Andrew Josey is Director of Standards within The Open Group. He is currently managing the standards process for The Open Group, and has recently led the standards development projects for TOGAF 9.1, ArchiMate 2.0, IEEE Std 1003.1-2008 (POSIX), and the core specifications of the Single UNIX Specification, Version 4. Previously, he has led the development and operation of many of The Open Group certification development projects, including industry-wide certification programs for the UNIX system, the Linux Standard Base, TOGAF, and IEEE POSIX. He is a member of the IEEE, USENIX, UKUUG, and the Association of Enterprise Architects.

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