Single UNIX Specification
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Single UNIX® Specification, Version 4, 2018 Edition
Technically identical to IEEE Std 1003.1-2017 and ISO/IEC 9945:2009 including ISO/IEC 9945:2009/Cor 1:2013(E) and ISO/IEC 9945:2009/Cor 2:2017(E) with the addition of X/Open Curses.Learn MoreFor the PDF edition of the Base Specifications Issue 7, see C181
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Base Specifications, Issue 7, 2018 Edition
Technically identical to IEEE Std 1003.1, 2017 Edition (published in 2018)Learn MoreThe 2018 Edition incorporates the Single UNIX Specification, Version 4 Technical Corrigendum No. 1 and Technical Corrigendum No. 2.
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Base Specifications, Issue 7, 2016 Edition
Technically identical to IEEE Std 1003.1, 2016 Edition.Learn MoreThe 2016 Edition incorporates the Single UNIX Specification, Version 4 Technical Corrigendum No. 1 and Technical Corrigendum No. 2.
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Single UNIX® Specification, Version 4 Technical Corrigendum No. 2
Learn MoreBase Specifications, Issue 7 TC2/IEEE Std 1003.1™-2008/Cor 2-2016
Technical Corrigendum No. 2 (TC2) is the second Technical Corrigendum produced by the Austin Group for the Base Specifications Issue 7, that are the core specifications of the Single UNIX Specification, Version 4, and addresses defect reports submitted up until August 2015.
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Base Specifications, Issue 7, 2013 Edition
Superseded by C165Learn MoreTechnically identical to IEEE Std 1003.1, 2013 Edition.
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Single UNIX® Specification, Version 4 Technical Corrigendum No. 1
Learn MoreBase Specifications, Issue 7 TC1/IEEE Std 1003.1™-2008/Cor 1-2013
Technical Corrigendum No. 1 (TC1) is the first Technical Corrigendum produced by the Austin Group for the Base Specifications Issue 7, that are the core specifications of the Single UNIX Specification, Version 4, and addresses defect reports submitted up until May 17, 2011.
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Base Specifications, Issue 7 (2008 Edition)
Superseded by C165Learn MoreTechnically identical to IEEE Std 1003.1-2008.
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Single UNIX® Specification, Version 3 Document Set (UNIX 03)
Learn MoreThis document set for the Single UNIX Specification, Version 3 (UNIX 03).
The PDF documents are only available to employees of members of The Open Group. -
Single UNIX® Specification, Version 3 Technical Corrigendum No. 2
IEEE Std 1003.1-2001/Cor 2-2004Learn More -
Single UNIX® Specification, Version 3 Technical Corrigendum No. 1
IEEE Std 1003.1-2001/Cor 1-2002 (identical to ISO/IEC 9945:2002/Cor 1:2003)Learn More