Editing Single UNIX Specification (section)

===Previously registered UNIX systems===

====EulerOS====
[[EulerOS]] 2.0 for the [[x86-64]] architecture was registered as UNIX&nbsp;03 compliant.<ref>{{cite press release|url=https://www.huawei.com/en/news/2016/9/huawei-kunlun-euleros-unix-certification|title=Huawei KunLun EulerOS 2.0 Operating System Passes UNIX Certification|date=September 9, 2016|access-date=October 29, 2016|publisher=[[Huawei]]}}</ref><ref name="euler-cert">{{cite web|author=The Open Group|title=UNIX 03, EulerOS|url=https://www.opengroup.org/openbrand/register/brand3622.htm}}</ref> The UNIX&nbsp;03 conformance statement shows that the standard C compiler is from the [[GNU Compiler Collection]] ({{mono|gcc}}), and that the system is a [[Linux distribution]] of the [[Red Hat Enterprise Linux]] family.<ref name="EulerOS_conformance_commands">{{cite web| url=https://www.opengroup.org/csq/repository/norationale=1&noreferences=1&RID=huawei%252FCX1%252F1.html| title=Huawei Conformance Statement: Commands and Utilities V4| author=Peng Shen| publisher=The Open Group| access-date=October 29, 2016}}</ref> The UNIX 03 certification expired in September 2022 and has not been renewed.<ref name="euler-cert" />

====FTX====
[[Stratus Technologies]] DNCP Series servers running FTX Release 3 were registered as UNIX 93 compliant.<ref>{{cite web|author=The Open Group|title=The Open Brand - Register of Certified Products - UNIX 93|url=https://www.opengroup.org/openbrand/register/xt.htm|archive-url=https://web.archive.org/web/20161005132055/https://www.opengroup.org/openbrand/register/xt.htm|archive-date=October 5, 2016}}</ref>

====Inspur K-UX====
[[Inspur K-UX]] 2.0 and 3.0 for the [[x86-64]] architecture were certified as UNIX&nbsp;03 compliant.<ref>{{cite web|url=https://www.opengroup.org/openbrand/register/brand3596.htm |title=The Open Brand Register of Certified Products|access-date=May 29, 2014|publisher=The Open Group|date=May 29, 2014}}</ref><ref name="inspur_conformance_statement">{{cite web| url=https://www.opengroup.org/csq/repository/RID=inspur%252FXY1%252F1.html| title=Inspur Conformance Statement| author=Xie Ruohong| publisher=The Open Group| access-date=December 8, 2015}}</ref> The UNIX&nbsp;03 conformance statement for Inspur K-UX 2.0 and 3.0 shows that the standard C compiler is from the [[GNU Compiler Collection]] ({{mono|gcc}}), and that the system is a [[Linux distribution]] of the [[Red Hat]] family.<ref name="inspur_conformance_commands">{{cite web| url=https://www.opengroup.org/csq/repository/RID=inspur%252FCX1%252F1.html| title=Inspur Conformance Statement: Commands and Utilities V4| author=Xie Ruohong| publisher=The Open Group| access-date=December 8, 2015}}</ref>

====IRIX====

[[Silicon Graphics|SGI]] [[IRIX]] 6.5 was registered as UNIX 95 compliant.<ref>{{cite web|url=http://www.opengroup.org/openbrand/register/xu013.htm|title=Silicon Graphics Inc - UNIX 95|website=Open Group|archive-date=2003-08-02|archive-url=https://web.archive.org/web/20030802154406/http://www.opengroup.org/openbrand/register/xu013.htm|url-status=dead}}</ref>

====OS/390====
IBM [[OS/390]] was registered as UNIX 95 compliant beginning with the V2R4 release.<ref>{{cite web|title=Register of Open Branded Products (OS/390)|archive-url=https://web.archive.org/web/20030629093915/http://www.opengroup.org/openbrand/register/xu009.htm|url=http://www.opengroup.org/openbrand/register/xu009.htm|archive-date=2003-06-29|date=2003-06-19|website=Open Group|url-status=dead}}</ref>

====Reliant UNIX====
The last [[Reliant UNIX]] versions were registered as UNIX 95 compliant (XPG4 hard branding).

====Solaris====
[[Solaris (operating system)|Solaris]] 11.4 was previously registered as UNIX v7 compliant in 2018.<ref>{{cite web|url=https://www.opengroup.org/openbrand/register/brand3642.htm|title=UNIX V7 - The Open Brand Register, Oracle Corporation|website=[[The Open Group]]|archive-url= https://web.archive.org/web/20200114100431/https://www.opengroup.org/openbrand/register/brand3642.htm|archive-date=January 14, 2020|access-date=January 16, 2021}}</ref> Solaris 11 and Solaris 10 were registered as UNIX 03 compliant on [[32-bit]] and [[64-bit]] [[x86]] ([[X86-64]]) and [[SPARC]] systems. Solaris 8 and 9 were registered as UNIX 98 compliant on [[32-bit]] [[x86]] and [[SPARC]] systems; 64-bit x86 systems were not supported. Solaris 2.4 and 2.6, on both x86 and SPARC, were certified to the UNIX 93 and UNIX 95 marks respectively.<ref name="2003-register" />

Solaris 2.5.1 was also registered as UNIX 95 compliant on the [[PReP]] [[PowerPC]] platform in 1996, but the product was withdrawn before more than a few dozen copies had been sold.<ref>{{cite web|url=http://www.ocf.berkeley.edu/solaris/versions/solaris/2.5.1.html|title=Solaris 2.5.1|archive-url=https://web.archive.org/web/20050912194850/http://www.ocf.berkeley.edu/solaris/versions/solaris/2.5.1.html|archive-date=September 12, 2005|url-status=dead}}</ref>

====Tru64 UNIX====
[[Tru64 UNIX]] V5.1A and later were registered as UNIX 98 compliant.<ref>{{cite web|url=http://www.opengroup.org/openbrand/register/xx001.htm|title=Compaq Computer Corporation - UNIX 95|website=Open Group|archive-date=2003-06-29|archive-url=https://web.archive.org/web/20030629103042/http://www.opengroup.org/openbrand/register/xx001.htm}}</ref>

====Other====
Other operating systems previously registered as UNIX 95 or UNIX 93 compliant:
*[[NCR Corporation|NCR]] UNIX SVR4
*[[NEC]] UX/4800