Editing Single UNIX Specification (section)

===1997: Single UNIX Specification, version 2===
In 1996, X/Open merged with [[Open Software Foundation]] (OSF) to form [[The Open Group]].<ref>{{cite journal|url=https://books.google.com/books?id=t_HcO8cY91IC&pg=PA17|title=Formation of 'The Open Group'|first=Phil|last=McCrea|pages=17–18|journal=AUGGN: The Journal of AUUG Inc.|volume=17|issue=2|date=April 1996}}</ref><ref>{{cite magazine|url=https://books.google.com/books?id=GTHir58nwGgC&pg=PT71|title=WebCrusader may blaze wider trail for DCE users|first=Sharon|last=Gaudin|magazine=[[Computerworld]]|volume=30|issue=22|page=64|date=May 27, 1996}}</ref>

In 1997, the Open Group released the '''Single UNIX Specification, Version 2'''.<ref>{{cite web|url=https://www.opengroup.org/onlinepubs/7990989775/|title=The Single UNIX Specification, Version 2|website=www.opengroup.org}}</ref><ref>{{cite press release
  |url = https://unix.org/version2/pr.html
  |title = The Open Group Announces Enhanced Single UNIX Specification
  |access-date = July 26, 2009
  |date = March 12, 1997
|publisher = The Open Group
}}</ref>

This specification consisted of:<ref>{{cite web|url=https://unix.org/version2/whatsnew/login_whatsnew.html|title=What's New in the Single UNIX Specification, Version 2|website=unix.org}}</ref>
* System Interface Definitions, Issue 5,<ref>{{cite book|url=https://pubs.opengroup.org/onlinepubs/9693999499/toc.pdf|title=System Interface Definitions Issue 5|publisher=[[The Open Group]]}}</ref>
* System Interfaces and Headers, Issue 5,<ref>{{cite book|url=https://pubs.opengroup.org/onlinepubs/009639399/toc.pdf|title= System Interfaces and Headers Issue 5|publisher=[[The Open Group]]}}</ref>
* Commands and Utilities, Issue 5,<ref>{{cite book|url=https://pubs.opengroup.org/onlinepubs/009639599/toc.pdf|title=Commands and Utilities Issue 5|publisher=[[The Open Group]]}}</ref>
* Networking Services, Issue 5,<ref>{{cite book|url=https://pubs.opengroup.org/onlinepubs/9647699/toc.pdf|title=Networking Services (XNS) Issue 5|publisher=[[The Open Group]]|date=May 14, 1997 |isbn=1-85912-165-9}}</ref>
* X/Open Curses, Issue 4, Version 2,<ref>{{cite book|url=https://pubs.opengroup.org/onlinepubs/009638999/toc.pdf|title=X/Open Curses, Issue 4, Version 2|date=1996|publisher=[[The Open Group]]|isbn=1-85912-171-3}}</ref>
and was at the core of the UNIX 98 brand.<ref>{{cite web|url=https://www.opengroup.org/openbrand/register/xxm0.htm|title=Open Brand - UNIX 98|publisher=X/Open Company}}</ref>

This version had 1434 programming interfaces.<ref name=v3howmanyapis/>