Editing POSIX (section)

===POSIX-certified===
Current versions of the following operating systems have been certified to conform to one or more of the various POSIX standards. This means that they passed the automated conformance tests<ref name="achieve_status">{{cite web|url=https://posix.opengroup.org/certification_guide.html#Howto|title=POSIX Certified by IEEE and The Open Group - Program Guide|at=Section 2, How to Achieve Certification|access-date=26 September 2024}}</ref> and their certification has not expired and the operating system has not been discontinued.<ref name="renew_certification">{{cite web |url=https://posix.opengroup.org/certification_guide.html#Renewals|title=POSIX Certified by IEEE and The Open Group - Program Guide|at=Section 4, Renewals and Certified Product Updates|access-date=26 September 2024}}</ref><ref>{{cite web|url=https://www.opengroup.org/openbrand/register/company.htm|title=Certified Products by Company|author=<!--Not stated-->|date=n.d.|publisher=The Open Group |access-date=22 January 2022}}</ref>
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*[[IBM AIX|AIX]]<ref name="ibm">{{cite web |url=https://www.opengroup.org/openbrand/register/ibm.htm |title=IBM |publisher=The Open Group |access-date=23 January 2022}}</ref>
*[[HP-UX]]<ref name="hp">{{cite web |url=https://www.opengroup.org/openbrand/register/hp.htm |title=Hewlett-Packard  |publisher=The Open Group |access-date=26 January 2014}}</ref>
*[[Integrity (operating system)|INTEGRITY]]<ref name="posix-register">{{Cite web|url=https://posix.opengroup.org/register.html|title=POSIX Certification Register|website=[[The Open Group]]|access-date=22 August 2024}}</ref>
*[[macOS]] (since [[Mac OS X Leopard]]<ref>{{cite web|title=macOS version 10.5 Leopard on Intel-based Mac computers |url=https://www.opengroup.org/openbrand/register/brand3555.htm|work=Register of Open Branded Products|publisher=The Open Group |access-date=20 May 2015}}</ref> to [[macOS Sequoia]]<ref>{{cite web|url=https://www.opengroup.org/openbrand/register/brand3715.htm|title=macOS version 10.15 Sequoia on Intel-based Mac computers|publisher=The Open Group|access-date=25 April 2025}}</ref><ref>{{cite web|url=https://www.opengroup.org/openbrand/register/brand3710.htm|title=macOS version 10.15 Sequoia on Apple Silicon-based Mac computers|publisher=The Open Group|access-date=25 April 2025}}</ref>)
*[[OpenServer]]<ref>{{cite web|url=https://www.opengroup.org/openbrand/register/brand2574.htm|title=SCO OpenServer Release 5  |date=3 May 1995|publisher=The Open Group|access-date=24 December 2021}}</ref>
*[[UnixWare]]<ref>{{cite web|url=https://www.opengroup.org/openbrand/register/brand2713.htm |title=UnixWare ® 7.1.3 and later  |date=16 May 2003|publisher=The Open Group|access-date=24 December 2021}}</ref>
*[[VxWorks]]<ref name="posix-register"/>
*[[z/OS]]<ref name="ibm"/>
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