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z/OS

64-bit operating system for IBM mainframes
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z/OS

Summary

z/OS is an Unix-like operating system[1]. z/OS draws 289 Wikipedia views per month (unix_like_operating_system category, ranking #7 of 24).[2]

Key Facts

  • z/OS's instance of is recorded as Unix-like operating system[3].
  • z/OS's developer is recorded as IBM[4].
  • z/OS's programmed in is recorded as PL/X[5].
  • z/OS's software version identifier is recorded as 2.5[6].
  • z/OS's software version identifier is recorded as 3.1[7].
  • z/OS's platform is recorded as z/Architecture[8].
  • z/OS's language of work or name is recorded as English[9].
  • z/OS's has part is recorded as System Managed Storage[10].
  • z/OS's publication date is recorded as +2001-00-00T00:00:00Z[11].
  • z/OS's Freebase ID is recorded as /m/09rjh[12].
  • z/OS's official website is recorded as http://www-03.ibm.com/systems/z/os/zos/index.html[13].
  • z/OS's replaces is recorded as OS/390[14].
  • z/OS's product certification is recorded as Single UNIX Specification[15].
  • z/OS's BabelNet ID is recorded as 03113108n[16].
  • z/OS's FOLDOC ID is recorded as z/OS[17].

Body

Publication

z/OS's publication date is recorded as +2001-00-00T00:00:00Z[11]. z/OS's language of work or name is recorded as English[9].

Why It Matters

z/OS draws 289 Wikipedia views per month (unix_like_operating_system category, ranking #7 of 24).[2] z/OS has Wikipedia articles in 19 language editions, a strong signal of global cultural recognition.[18] z/OS is known by 8 alternative names across languages and contexts.[19]

z/OS has been cited as an influence by OSIV/MSP[20], an operating system[21] and Hitachi VOS[22], an operating system[23].

FAQs

Who did z/OS influence?

z/OS has been cited as an influence by OSIV/MSP[20] and Hitachi VOS[22].

Related Entities

catalog CICS CLIST Episode filesystem Hitachi VOS IBM IBM Cross System Product IBM Systems Application Architecture OS/390 OSIV/MSP PL/X Simula Special Real Time Operating System Unix-like operating system UNIX System Services VOS3 zFS

References

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

Direct Wikidata claims

  1. [3] ↑ . wikidata.org.
  2. [4] ↑ . wikidata.org.
  3. [5] ↑ . wikidata.org.
  4. [6] ↑ . ibm.com. ibm.com. Provenance: wikidata.org.
  5. [7] ↑ . ibm.com. Retrieved . ibm.com. Provenance: wikidata.org.
  6. [8] ↑ . wikidata.org.
  7. [9] ↑ . wikidata.org.
  8. [10] ↑ . wikidata.org.
  9. [11] ↑ . wikidata.org.
  10. [12] ↑ . Freebase Data Dumps. wikidata.org.
  11. [13] ↑ . wikidata.org.
  12. [14] ↑ . wikidata.org.
  13. [15] ↑ . wikidata.org.
  14. [16] ↑ . BabelNet. wikidata.org.
  15. [17] ↑ . wikidata.org.

Inverse relationships (entities pointing at this one)

  1. [20] ↑ . wikidata.org. → on this site
  2. [22] ↑ . wikidata.org. → on this site

Inline context (facts about related entities)

  1. [21] ↑ . Wikidata. wikidata.org. → on this site
  2. [23] ↑ . 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. [18] ↑ . Wikidata sitelinks. wikidata.org.
  3. [19] ↑ . 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). z/OS. Retrieved May 3, 2026, from https://4ort.xyz/entity/z-os
MLA “z/OS.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/z-os.
BibTeX @misc{4ortxyz_z-os_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{z/OS}}, year = {2026}, url = {https://4ort.xyz/entity/z-os}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): z/OS — https://4ort.xyz/entity/z-os (retrieved 2026-05-03)

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