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Austin Group

From Wikipedia, the free encyclopedia

The Austin Group or the Austin Common Standards Revision Group[1][2] is a joint technical working group formed to develop and maintain a common revision of POSIX.1 and parts of the Single UNIX Specification. It is named after the location of the first meeting in Austin, Texas.[3]

The approach to specification development is "write once, adopt everywhere", with the deliverables being a set of specifications that carry the IEEE POSIX designation, The Open Group's Technical Standard designation, and the ISO/IEC designation. The new set of specifications is simultaneously ISO/IEC/IEEE 9945, and forms the core of the Single UNIX Specification Version 3. The IEEE formerly designated this standard as 1003.1.

This unique development combines both the industry-led efforts and the formal standardization activities into a single initiative, and includes a wide spectrum of participants.

The group currently has approximately 500 participants, and is chaired by Andrew Josey from The Open Group. The Open Group manages the day-to-day running of the group, providing the chair, the editor and email and web facilities. There are no fees for participation or membership.

The decision-making process is divided between the three entities that publish the resulting standard: ISO/IEC (Joint Technical Committee 1, subcommittee 22, working group 15), IEEE PASC (Portable Applications Standards Committee) and The Open Group, with each of these appointing an Organisational Representative (OR). The three ORs judge if there is consensus, and are responsible for initiating ballots within their respective organisations as required.

Organisation Representative
ISO/IEC JTC 1/SC 22 Nick Stoughton
IEEE PASC Don Cragun
The Open Group Martin Rehak


  1. ^ "POSIX - Austin Joint Working Group". 2018-07-23. Archived from the original on 2018-07-23.
  2. ^ "The Austin Common Standards Revision Group, Issue Tracker".
  3. ^ "Joint Meeting of The Open Group Base Working Group, the PASC POSIX Revision Study Group, SC22/WG15 Coordination Ad-hoc" (PDF). September 2–3, 1998. Retrieved 4 January 2022.

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