Plan 9

distributed operating system designed by Bell Labs as an UNIX's intended successor
class distributed_operating_system Q725779
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Plan 9

Summary

Plan 9 is a distributed operating system[1]. It draws 862 Wikipedia views per month (distributed_operating_system category, ranking #1 of 6).[2]

Key Facts

  • Plan 9 was influenced by Q11368[3].
  • Plan 9's image is recorded as Plan 9 Fourth Edition rio interaction screenshot.png[4].
  • Plan 9's instance of is recorded as distributed operating system[5].
  • Plan 9's instance of is recorded as free and open-source software[6].
  • Bell Labs is named after Plan 9[7].
  • Plan 9 from Outer Space is named after Plan 9[8].
  • Plan 9's logo image is recorded as Spaceglenda.svg[9].
  • Plan 9's follows is recorded as Q2666693[10].
  • Plan 9's followed by is recorded as Inferno[11].
  • Plan 9's developer is recorded as Bell Labs[12].
  • Plan 9's GND ID is recorded as 4551500-1[13].
  • Plan 9's copyright license is recorded as Lucent Public License[14].
  • Plan 9's copyright license is recorded as GNU General Public License, version 2.0[15].
  • Plan 9's copyright license is recorded as MIT License[16].
  • Plan 9's programmed in is recorded as Q15777[17].
  • Plan 9's subclass of is recorded as Q11368[18].
  • Plan 9's software version identifier is recorded as First Edition[19].
  • Plan 9's software version identifier is recorded as Second Edition[20].
  • Plan 9's software version identifier is recorded as Third Edition[21].
  • Plan 9's software version identifier is recorded as Fourth Edition[22].
  • Plan 9's Commons category is recorded as Plan 9 from Bell Labs[23].
  • Plan 9's platform is recorded as Q182933[24].
  • Plan 9's platform is recorded as Q272629[25].
  • Plan 9's platform is recorded as MIPS architecture[26].
  • Plan 9's platform is recorded as DEC Alpha[27].

Body

Works and Contributions

Things named for Plan 9 include it from User Space[28], a software suite[29].

Why It Matters

Plan 9 draws 862 Wikipedia views per month (distributed_operating_system category, ranking #1 of 6).[2] It has Wikipedia articles in 24 language editions, a strong signal of global cultural recognition.[30] It is known by 24 alternative names across languages and contexts.[31]

It has been cited as an influence by Redox[32], a free operating system[33], founded in 2015[34] and suckless.org[35], a free software community[36], founded in 2002[37].

Entities named for it include it from User Space[28], a software suite[29].

FAQs

Who did Plan 9 influence?

Plan 9 has been cited as an influence by Redox[32] and suckless.org[35].

References

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

Direct Wikidata claims

  1. [4] . wikidata.org.
  2. [5] . wikidata.org.
  3. [6] . wikidata.org.
  4. [7] . wikidata.org.
  5. [8] . wikidata.org.
  6. [9] . wikidata.org.
  7. [10] . wikidata.org.
  8. [11] . wikidata.org.
  9. [12] . wikidata.org.
  10. [13] . wikidata.org.
  11. [14] . wikidata.org.
  12. [15] . wikidata.org.
  13. [16] . p9f.org. p9f.org. Provenance: wikidata.org.
  14. [17] . wikidata.org.
  15. [18] . wikidata.org.
  16. [19] . 9p.io. Retrieved . 9p.io. Provenance: wikidata.org.
  17. [20] . 9p.io. Retrieved . 9p.io. Provenance: wikidata.org.
  18. [21] . 9p.io. Retrieved . 9p.io. Provenance: wikidata.org.
  19. [22] . 9p.io. Retrieved . 9p.io. Provenance: wikidata.org.
  20. [23] . wikidata.org.
  21. [24] . wikidata.org.
  22. [25] . wikidata.org.
  23. [26] . wikidata.org.
  24. [27] . wikidata.org.
  25. [3] . wikidata.org.

Inverse relationships (entities pointing at this one)

  1. [32] . wikidata.org. → on this site
  2. [35] . wikidata.org. → on this site
  3. [28] . wikidata.org. → on this site

Inline context (facts about related entities)

  1. [33] . Wikidata. wikidata.org. → on this site
  2. [34] . Wikidata. wikidata.org. → on this site
  3. [36] . Wikidata. wikidata.org. → on this site
  4. [37] . Wikidata. wikidata.org. → on this site
  5. [29] . Wikidata. wikidata.org. → on this site

Class ancestry

  1. [1] . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] . Wikimedia Foundation. dumps.wikimedia.org.
  2. [30] . Wikidata sitelinks. wikidata.org.
  3. [31] . 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). Plan 9. Retrieved March 8, 2026, from https://4ort.xyz/entity/plan-9
MLA “Plan 9.” 4ort.xyz Knowledge Graph, 4ort.xyz, 8 Mar. 2026, https://4ort.xyz/entity/plan-9.
BibTeX @misc{4ortxyz_plan-9_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Plan 9}}, year = {2026}, url = {https://4ort.xyz/entity/plan-9}, note = {Accessed: 2026-03-08}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Plan 9 — https://4ort.xyz/entity/plan-9 (retrieved 2026-03-08)

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