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Single UNIX Specification

family of standards for computer operating systems, compliance with which is required to qualify for using the "UNIX" trademark
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Single UNIX Specification

Summary

Single UNIX Specification ranks in the top 2% of general entities by monthly Wikipedia readership (211 views/month).[1]

Key Facts

  • Single UNIX Specification's logo image is recorded as UNIX logo.svg[2].
  • Single UNIX Specification's developer is recorded as Austin Group[3].
  • Single UNIX Specification's developer is recorded as The Open Group[4].
  • Single UNIX Specification's subclass of is recorded as technical standard[5].
  • Single UNIX Specification's subclass of is recorded as technical specification[6].
  • Single UNIX Specification's software version identifier is recorded as Single UNIX Specification Version 1[7].
  • Single UNIX Specification's software version identifier is recorded as Single UNIX Specification Version 1, 1995 Edition[8].
  • Single UNIX Specification's software version identifier is recorded as Single UNIX Specification Version 2[9].
  • Single UNIX Specification's software version identifier is recorded as Single UNIX Specification Version 3[10].
  • Single UNIX Specification's software version identifier is recorded as POSIX:2004[11].
  • Single UNIX Specification's software version identifier is recorded as Single UNIX Specification Version 4[12].
  • Single UNIX Specification's software version identifier is recorded as Single UNIX Specification Version 4, 2013 Edition[13].
  • Single UNIX Specification's software version identifier is recorded as Single UNIX Specification Version 4, 2016 Edition[14].
  • Single UNIX Specification's software version identifier is recorded as Single UNIX Specification Version 4, 2018 Edition[15].
  • Single UNIX Specification's has part is recorded as Q14658[16].
  • Single UNIX Specification's has part is recorded as curses[17].
  • +1993-00-00T00:00:00Z marks the founding of Single UNIX Specification[18].
  • Single UNIX Specification's publication date is recorded as +1994-00-00T00:00:00Z[19].
  • Single UNIX Specification's Freebase ID is recorded as /m/079sv[20].
  • Single UNIX Specification's has edition or translation is recorded as The Open Group Base Specifications, Issue 7[21].
  • Single UNIX Specification's has edition or translation is recorded as The Open Group Base Specifications, Issue 8[22].
  • Single UNIX Specification's Gentoo package is recorded as app-doc/single-unix-specification[23].
  • Single UNIX Specification's Microsoft Academic ID is recorded as 168899612[24].

Why It Matters

Single UNIX Specification ranks in the top 2% of general entities by monthly Wikipedia readership (211 views/month).[1] It has Wikipedia articles in 17 language editions, a strong signal of global cultural recognition.[25] It is known by 5 alternative names across languages and contexts.[26]

Related Entities

EulerOS HP-UX IBM AIX macOS macOS Big Sur macOS Catalina macOS High Sierra macOS Mojave macOS Monterey macOS Sierra Mac OS X Leopard Mac OS X Lion Mac OS X Snow Leopard OS X El Capitan OS X Mavericks OS X Mountain Lion OS X Yosemite UNIX 93 UNIX 95 UNIX 98 UNIX V7 UnixWare Xinuos OpenServer z/OS

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [2] ↑ . wikidata.org.
  2. [3] ↑ . wikidata.org.
  3. [4] ↑ . wikidata.org.
  4. [5] ↑ . wikidata.org.
  5. [6] ↑ . wikidata.org.
  6. [7] ↑ . wikidata.org.
  7. [8] ↑ . wikidata.org.
  8. [9] ↑ . wikidata.org.
  9. [10] ↑ . wikidata.org.
  10. [11] ↑ . wikidata.org.
  11. [12] ↑ . wikidata.org.
  12. [13] ↑ . wikidata.org.
  13. [14] ↑ . wikidata.org.
  14. [15] ↑ . wikidata.org.
  15. [16] ↑ . wikidata.org.
  16. [17] ↑ . wikidata.org.
  17. [18] ↑ . wikidata.org.
  18. [19] ↑ . wikidata.org.
  19. [20] ↑ . Freebase Data Dumps. wikidata.org.
  20. [21] ↑ . wikidata.org.
  21. [22] ↑ . wikidata.org.
  22. [23] ↑ . wikidata.org.
  23. [24] ↑ . wikidata.org.

Aggregate / graph-position facts

  1. [1] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [25] ↑ . Wikidata sitelinks. wikidata.org.
  3. [26] ↑ . Wikidata aliases. wikidata.org.

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). Single UNIX Specification. Retrieved April 11, 2026, from https://4ort.xyz/entity/single-unix-specification
MLA “Single UNIX Specification.” 4ort.xyz Knowledge Graph, 4ort.xyz, 11 Apr. 2026, https://4ort.xyz/entity/single-unix-specification.
BibTeX @misc{4ortxyz_single-unix-specification_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Single UNIX Specification}}, year = {2026}, url = {https://4ort.xyz/entity/single-unix-specification}, note = {Accessed: 2026-04-11}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Single UNIX Specification — https://4ort.xyz/entity/single-unix-specification (retrieved 2026-04-11)

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