Single UNIX Specification (English Wikipedia)

"Mac OS X Manual Page for compat(5) - Mac OS X 10.3". developer.apple.com. October 23, 2005. Archived from the original on March 10, 2009. Retrieved May 24, 2018.
"compat(5) Manual Page - macOS 10.9". developer.apple.com. June 30, 2010. Retrieved May 24, 2018.
"Mac OS X Manual Page for pax(1) - Mac OS X 10.3". developer.apple.com. October 23, 2005. Archived from the original on March 10, 2009. Retrieved November 25, 2023.

images.apple.com

"OS X for UNIX Users" (PDF). July 2011.

apple.com

"Mac OS X Leopard - Technology - UNIX". Leopard Technology Overview. Apple Inc. Archived from the original on August 23, 2007. Retrieved June 11, 2007. Leopard is now an Open Brand UNIX 03 Registered Product, conforming to the SUSv3 and POSIX 1003.1 specifications for the C API, Shell Utilities, and Threads.

berkeley.edu (Global: 621^st place; English: 429^th place)

ocf.berkeley.edu

"Solaris 2.5.1". Archived from the original on September 12, 2005.

books.google.com (Global: 3^rd place; English: 3^rd place)

System V Interface Definition. 1985. ASIN B000KF6SCE.
X/Open Curses, Issue 4. X/Open Company. 1995. ISBN 9781859120774.
Bozman, Jean S. (October 24, 1994). "X/Open test suites advance". Computerworld. Vol. 28, no. 43. p. 49.
McCrea, Phil (April 1996). "Formation of 'The Open Group'". AUGGN: The Journal of AUUG Inc. 17 (2): 17–18.
Gaudin, Sharon (May 27, 1996). "WebCrusader may blaze wider trail for DCE users". Computerworld. Vol. 30, no. 22. p. 64.

catb.org (Global: 7,578^th place; English: 6,551^st place)

Raymond, Eric S. (September 19, 2003). "Standards and the Unix Wars". The Art of UNIX Programming.

doi.org (Global: 2^nd place; English: 2^nd place)

POSIX Abstractions in Modern Operating Systems: The Old, the New, and the Missing. Eleventh European Conference on Computer Systems. doi:10.1145/2901318.2901350.

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

"FreeBSD C99 and POSIX conformance project". FreeBSD Project. Archived from the original on December 23, 2013.
pax(1) – FreeBSD General Commands Manual
awk(1) – FreeBSD General Commands Manual

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

"1.3.4 Feature Test Macros". The GNU C Library manual. The GNU Project.

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

Fennessy, Quentin (October 12, 1993). "The name "UNIX" is now the property of X/Open". Newsgroup: comp.std.unix.

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

"Huawei KunLun EulerOS 2.0 Operating System Passes UNIX Certification" (Press release). Huawei. September 9, 2016. Retrieved October 29, 2016.

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

redbooks.ibm.com

z/OS Version 1 Release 9 Implementation (PDF) (First ed.). IBM. December 2007. pp. 4–5, 156–162. SG24-7427-00. Retrieved June 9, 2024.

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

standards.ieee.org

"IEEE SA - IEEE/Open Group 1003.1-2017". IEEE.

iso.org (Global: 1,190^th place; English: 1,097^th place)

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

Kelty, Christopher M. "Conceiving Open Systems" (PDF). kelty.org.

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

bugs.launchpad.net

"Bug #1329914 "No UNIX compatible pax implementation" : Bugs : RPM". Ubuntu bug tracker. June 13, 2014.

linux.com (Global: low place; English: 8,538^th place)

Matzan, Jem (July 30, 2004). "Can GNU ever be Unix?". linux.com.

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

"Certified Products Product Directory". The Linux Foundation. Retrieved December 9, 2015.{{cite web}}: CS1 maint: deprecated archival service (link)

mail-archive.com (Global: low place; English: low place)

"Re: was OS X version 10.7 Lion UNIX 03 certified?". www.mail-archive.com. Archived from the original on April 29, 2020. Retrieved July 22, 2021.

minix3.org (Global: low place; English: low place)

man.minix3.org

"pax(1)". man.minix3.org.

openbsd.org (Global: low place; English: 9,957^th place)

man.openbsd.org

sh(1) – OpenBSD General Commands Manual
awk(1) – OpenBSD General Commands Manual

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

personal.opengroup.org

Josey, Andrew (August 29, 2005). "Conflicts between ISO/IEC 9945 (POSIX) and the Linux Standard Base". personal.opengroup.org (Unapproved Draft).

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

docs.oracle.com

Standards Conformance Guide (PDF). SunSoft. November 1995.
"POSIX.1(5)". Oracle Solaris 11.2 Information Library.

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

"Single UNIX Specification Version 4". The Open Group.

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

"Questions & Answers". unix.org.
"The Single UNIX Specification". unix.org.
"The UNIX System -- History and Timeline -- UNIX History". unix.org.
"Frequently Asked Questions". unix.org.
"How many APIS are there?". unix.org.
"The Open Group Announces Enhanced Single UNIX Specification" (Press release). The Open Group. March 12, 1997. Retrieved July 26, 2009.
"What's New in the Single UNIX Specification, Version 2". unix.org.
"The Open Group announces completion of the joint revision to POSIX and the Single UNIX Specification" (Press release). The Open Group. January 30, 2002. Retrieved July 26, 2009.
"The Single UNIX Specification Version 3 - Overview". unix.org.
"IEEE Std 1003.1, 2004 Edition". Retrieved July 26, 2009.
"The Single UNIX Specification Version 4 - Introduction". unix.org.
"Version 4 Interface Counts". unix.org.
"UNIX V7 Certification". unix.org.
"The UNIX System -- UNIX V7 Certification". unix.org.

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

"The Open Brand - Register of Certified Products". Open Group. July 23, 2003. Archived from the original on August 2, 2003. Retrieved January 23, 2022.
"Register of Certified Products - HP-UX Release 11.00 or later (in both 32 and 64-bit configurations) on HP9000 Series (all models)". opengroup.org. Open Group. Archived from the original on January 8, 2004. Retrieved January 1, 2026.
"Mac OS X Leopard - Technology - UNIX". Leopard Technology Overview. Apple Inc. Archived from the original on August 23, 2007. Retrieved June 11, 2007. Leopard is now an Open Brand UNIX 03 Registered Product, conforming to the SUSv3 and POSIX 1003.1 specifications for the C API, Shell Utilities, and Threads.
"Re: was OS X version 10.7 Lion UNIX 03 certified?". www.mail-archive.com. Archived from the original on April 29, 2020. Retrieved July 22, 2021.
The Open Group. "The Open Brand - Register of Certified Products - UNIX 93". Archived from the original on October 5, 2016.
"Silicon Graphics Inc - UNIX 95". Open Group. Open Group. Archived from the original on January 8, 2004. Retrieved January 1, 2026.
"Register of Open Branded Products (OS/390)". Open Group. June 19, 2003. Archived from the original on June 29, 2003.
"UNIX V7 - The Open Brand Register, Oracle Corporation". The Open Group. Archived from the original on January 14, 2020. Retrieved January 16, 2021.
"Solaris 2.5.1". Archived from the original on September 12, 2005.
"Compaq Computer Corporation - UNIX 95". Open Group. Archived from the original on June 29, 2003.
"Mac OS X Manual Page for compat(5) - Mac OS X 10.3". developer.apple.com. October 23, 2005. Archived from the original on March 10, 2009. Retrieved May 24, 2018.
"Mac OS X Manual Page for pax(1) - Mac OS X 10.3". developer.apple.com. October 23, 2005. Archived from the original on March 10, 2009. Retrieved November 25, 2023.
"FreeBSD C99 and POSIX conformance project". FreeBSD Project. Archived from the original on December 23, 2013.

worldcat.org (Global: 4^th place; English: 4^th place)

search.worldcat.org

Stevens, W. Richard; Fenner, Bill; Rudoff, Andrew M. (2003). Unix Network Programming, Volume 1: The Sockets Networking API (3rd ed.). Addison-Wesley Professional. ISBN 978-0131411555. OCLC 53867239.

Single UNIX Specification (English Wikipedia)

amazon.com (Global: 159th place; English: 105th place)

apple.com (Global: 70th place; English: 55th place)

developer.apple.com

images.apple.com

apple.com

berkeley.edu (Global: 621st place; English: 429th place)

ocf.berkeley.edu

books.google.com (Global: 3rd place; English: 3rd place)

catb.org (Global: 7,578th place; English: 6,551st place)

doi.org (Global: 2nd place; English: 2nd place)

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

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

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

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

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

redbooks.ibm.com

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

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iso.org (Global: 1,190th place; English: 1,097th place)

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

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

bugs.launchpad.net

linux.com (Global: low place; English: 8,538th place)

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

mail-archive.com (Global: low place; English: low place)

minix3.org (Global: low place; English: low place)

man.minix3.org

openbsd.org (Global: low place; English: 9,957th place)

man.openbsd.org

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

opengroup.org

pubs.opengroup.org

publications.opengroup.org

personal.opengroup.org

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

docs.oracle.com

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

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

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amazon.com (Global: 159^th place; English: 105^th place)

apple.com (Global: 70^th place; English: 55^th place)

berkeley.edu (Global: 621^st place; English: 429^th place)

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doi.org (Global: 2^nd place; English: 2^nd place)

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

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)

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

iso.org (Global: 1,190^th place; English: 1,097^th place)

linux.com (Global: low place; English: 8,538^th place)

openbsd.org (Global: low place; English: 9,957^th place)

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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worldcat.org (Global: 4^th place; English: 4^th place)