POSIX (English Wikipedia)

Mark Halper (7 November 1994). "HP 3000 sales catch market by surprise". Computerworld. Vol. 28, no. 4. IDG Enterprise.
Solter, Nicholas A.; Jelinek, Jerry; Miner, David (21 March 2011). OpenSolaris Bible. John Wiley & Sons. ISBN 9781118080313.

embedded.com (Global: low place; English: low place)

Lamie, Bill; Taubinger, Rafael (15 June 2023). "RTOS with standard POSIX pthreads API: a complement to embedded Linux". Embedded.com. Retrieved 13 September 2023.

freebsd.org (Global: 6,366^th place; English: 5,010^th place)

people.freebsd.org

Schweikhardt, Jens. "FreeBSD POSIX 2001 Utility Compliance". FreeBSD.

gitee.com (Global: low place; English: low place)

"Huawei LiteOS / LiteOS". Gitee. Huawei. Retrieved 23 May 2024.

github.com (Global: 380^th place; English: 337^th place)

Rowe, Robin (8 September 2022). "libunistd". Github. Retrieved 18 February 2023. If you want to build single codebase C++ code to run on Windows, Linux and MacOS, you need this for Windows

gnu.org (Global: 1,901^st place; English: 1,743^rd place)

"GNU Coding Standards". GNU.

groups.google.com (Global: 2,153^rd place; English: 1,445^th place)

Stallman, Richard (28 August 1991). "Democracy Triumphs in Disk Units". Newsgroup: gnu.announce. Usenet: 9108281809.AA03552@mole.gnu.ai.mit.edu – via Google Groups.

ibm.com (Global: 1,369^th place; English: 968^th place)

"Programming IBM PASE for i" (PDF). ibm.com. IBM. 2013. Retrieved 25 November 2021.

ieee.org (Global: 912^th place; English: 722^nd place)

standards.ieee.org

"IEEE 1003.1-2024". IEEE Standards Association.

man7.org (Global: low place; English: low place)

"environ(7) — Linux manual page". man7.org. Michael Kerrisk. 17 May 2025. Retrieved 10 October 2025.
"bash(1) — Linux manual page". man7.org. Michael Kerrisk. 7 April 2025. Retrieved 10 October 2025.
"file(1) — Linux manual page". man7.org. Michael Kerrisk. 17 June 2025. Retrieved 10 October 2025.
"find(1) — Linux manual page". man7.org. Michael Kerrisk. 9 July 2025. Retrieved 10 October 2025.
"grep(1) — Linux manual page". man7.org. Michael Kerrisk. 21 March 2025. Retrieved 10 October 2025.
"more(1) — Linux manual page". man7.org. Michael Kerrisk. 9 August 2025. Retrieved 10 October 2025.
"patch(1) — Linux manual page". man7.org. Michael Kerrisk. 1 May 2025. Retrieved 10 October 2025.
"ps(1) — Linux manual page". man7.org. Michael Kerrisk. 23 April 2025. Retrieved 10 October 2025.
"renice(1) — Linux manual page". man7.org. Michael Kerrisk. 9 August 2025. Retrieved 10 October 2025.

microsoft.com (Global: 263^rd place; English: 259^th place)

docs.microsoft.com

"Features Removed or Deprecated in Windows Server 2012". Microsoft Docs. 31 August 2016.
"Deprecated CRT Functions". Microsoft Docs. 15 October 2009. Retrieved 23 July 2022.
"Porting Socket Applications to Winsock". Microsoft Docs. 7 January 2021. Retrieved 23 July 2022.

microsoft.com

"Chapter 29 - POSIX Compatibility". MS Windows NT Workstation Resource Kit. Microsoft. Archived from the original on 15 January 2008.
"Windows NT Services for UNIX Add-On Pack". Microsoft. Archived from the original on 8 May 1999.

mks.com (Global: low place; English: low place)

"MKS Solves Enterprise Interoperability Challenges" (Press release). Archived from the original on 28 April 1999.

nist.gov (Global: 708^th place; English: 742^nd place)

nvlpubs.nist.gov

"IEEE Standard Portable Operating System Interface for Computer Environments" (PDF). p. 172.

opengroup.org (Global: 6,630^th place; English: 5,295^th place)

opengroup.org

"POSIX.1 FAQ". The Open Group. 13 June 2020. Retrieved 20 February 2023.
"A Backgrounder on IEEE Std 1003.1". Footnotes.
"Test Suites VSX-PCTS2003". The Open Group.
"The Austin Common Standards Revision Group". The Open Group. Retrieved 20 July 2024.
"Certified Products by Company". The Open Group. n.d. Retrieved 22 January 2022.
"IBM". The Open Group. Retrieved 23 January 2022.
"macOS version 10.5 Leopard on Intel-based Mac computers". Register of Open Branded Products. The Open Group. Retrieved 20 May 2015.
"macOS version 26.0 Tahoe on Intel-based Mac computers". The Open Group. Retrieved 5 October 2025.
"macOS version 26.0 Tahoe on Apple Silicon-based Mac computers". The Open Group. Retrieved 5 October 2025.
"SCO OpenServer Release 5". The Open Group. 3 May 1995. Retrieved 24 December 2021.
"UnixWare ® 7.1.3 and later". The Open Group. 16 May 2003. Retrieved 24 December 2021.
"Huawei Technology Co., Ltd". The Open Group. Retrieved 26 May 2017.
"Inspur Co., Ltd". The Open Group. Retrieved 26 May 2017.
"Silicon Graphics, Inc". The Open Group. Retrieved 26 January 2014.
"The Open Brand - Register of Certified Products". Open Group. 23 July 2003. Archived from the original on 2 August 2003. Retrieved 23 January 2022.
"Oracle Corporation". The Open Group. Archived from the original on 12 July 2017. Retrieved 26 January 2014.
"Hewlett-Packard". The Open Group. Archived from the original on 9 July 2014. Retrieved 26 January 2014.
"Hewlett-Packard". The Open Group. Retrieved 26 January 2014.

pubs.opengroup.org

"Shell Command Language - The Open Group Base Specifications Issue 7, 2013 Edition". Retrieved 28 April 2020.
"Introduction". The Open Group Base Specifications Issue 7, 2018 edition. Retrieved 22 July 2021.
"Base Specifications, Issue 6" (2004 ed.). The Open Group. Retrieved 20 July 2024..
"Base Specifications, Issue 7, 2018 Edition" (2018 ed.). The Open Group. Retrieved 20 July 2024.
"Base Specifications, Issue 8" (2024 ed.). The Open Group..

posix.opengroup.org

"POSIX Certified by IEEE and The Open Group - Program Guide". Section 2, How to Achieve Certification. Retrieved 26 September 2024.
"POSIX Certified by IEEE and The Open Group - Program Guide". Section 4, Renewals and Certified Product Updates. Retrieved 26 September 2024.
"POSIX Certification Register". The Open Group. Retrieved 22 August 2024.

collaboration.opengroup.org

PASC Status (including POSIX) (Report). IEEE Computer Society. 4 December 2003. Retrieved 26 September 2024.

oracle.com (Global: 2,532^nd place; English: 1,847^th place)

docs.oracle.com

"librt(3LIB)". docs.oracle.com. man pages section 3: Library Interfaces and Headers. Oracle Corporation. 4 August 1998. Retrieved 18 February 2016. librt, libposix4- POSIX.1b Realtime Extensions library [...] librt is the preferred name for this library. The name libposix4 is maintained for backward compatibility and should be avoided. Functions in this library provide most of the interfaces specified by the POSIX.1b Realtime Extension.

peren.com (Global: low place; English: low place)

"FIPS 151-2 Conformance Validated Products List". Perennial Test Lab. Retrieved 14 August 2022.

qnx.com (Global: low place; English: low place)

"QNX Achieves New POSIX Certification" (Press release). QNX. 8 April 2008. Retrieved 16 January 2016.

sites.google.com (Global: 658^th place; English: 657^th place)

"JimIsaak - POSIX Impact". sites.google.com. Retrieved 15 September 2022.

stallman.org (Global: low place; English: low place)

"The origin of the name POSIX". stallman.org. Retrieved 26 September 2024.

stratus.com (Global: low place; English: low place)

stratadoc.stratus.com

"OpenVOS POSIX.1: Conformance Guide". Status Technologies. Retrieved 26 November 2021.

tangentsoft.net (Global: low place; English: low place)

"Winsock Programmer's FAQ Articles: BSD Sockets Compatibility". Warren Young. 31 August 2015. Retrieved 8 October 2015.

unix.org (Global: low place; English: low place)

"The Single UNIX Specification Version 3 - Overview". unix.org.
"IEEE Std 1003.1" (2004 ed.). Unix.org. Retrieved 26 July 2009.

usenix.org (Global: 7,359^th place; English: 4,657^th place)

Stoughton, Nicholas. "An Update On Standards". ;login:.

web.archive.org (Global: 1^st place; English: 1^st place)

"The Open Brand - Register of Certified Products". Open Group. 23 July 2003. Archived from the original on 2 August 2003. Retrieved 23 January 2022.
"Oracle Corporation". The Open Group. Archived from the original on 12 July 2017. Retrieved 26 January 2014.
"Hewlett-Packard". The Open Group. Archived from the original on 9 July 2014. Retrieved 26 January 2014.
"APE — ANSI/POSIX Environment". Plan 9 documents. Bell Labs. Archived from the original on 1 June 2017.
"Chapter 29 - POSIX Compatibility". MS Windows NT Workstation Resource Kit. Microsoft. Archived from the original on 15 January 2008.
"Windows NT Services for UNIX Add-On Pack". Microsoft. Archived from the original on 8 May 1999.
"MKS Solves Enterprise Interoperability Challenges" (Press release). Archived from the original on 28 April 1999.

zephyrproject.org (Global: low place; English: low place)

docs.zephyrproject.org

"POSIX Support". Zephyr documentation. Retrieved 7 March 2023.

POSIX (English Wikipedia)

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embedded.com (Global: low place; English: low place)

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people.freebsd.org

gitee.com (Global: low place; English: low place)

github.com (Global: 380th place; English: 337th place)

gnu.org (Global: 1,901st place; English: 1,743rd place)

groups.google.com (Global: 2,153rd place; English: 1,445th place)

ibm.com (Global: 1,369th place; English: 968th place)

ieee.org (Global: 912th place; English: 722nd place)

standards.ieee.org

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microsoft.com

mks.com (Global: low place; English: low place)

nist.gov (Global: 708th place; English: 742nd place)

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opengroup.org (Global: 6,630th place; English: 5,295th place)

opengroup.org

pubs.opengroup.org

posix.opengroup.org

collaboration.opengroup.org

oracle.com (Global: 2,532nd place; English: 1,847th place)

docs.oracle.com

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gnu.org (Global: 1,901^st place; English: 1,743^rd place)

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ibm.com (Global: 1,369^th place; English: 968^th place)

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opengroup.org (Global: 6,630^th place; English: 5,295^th place)

oracle.com (Global: 2,532^nd place; English: 1,847^th place)

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