https://publications.opengroup.org/c181
Technically identical to IEEE Std 1003.1, 2017 Edition (published in 2018)
The 2018 Edition incorporates the Single UNIX Specification, Version 4 Technical Corrigendum No. 1 and Technical Corrigendum No. 2.
https://publications.opengroup.org/c181
Technically identical to IEEE Std 1003.1, 2017 Edition (published in 2018)
The 2018 Edition incorporates the Single UNIX Specification, Version 4 Technical Corrigendum No. 1 and Technical Corrigendum No. 2.
POSIX.1-2017 is simultaneously IEEE Std 1003.1™-2017 and The Open Group Technical Standard Base Specifications, Issue 7.