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OS/390

31-bit operating system for IBM mainframes
CreativeWork operating_system Q1726891
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OS/390

Summary

OS/390 is an operating system[1]. OS/390 draws 27 Wikipedia views per month (operating_system category, ranking #150 of 552).[2]

Key Facts

  • OS/390's instance of is recorded as operating system[3].
  • OS/390's developer is recorded as IBM[4].
  • OS/390's platform is recorded as IBM S/390[5].
  • OS/390 was published on 1995[6].
  • OS/390's replaces is recorded as MVS[7].

Body

Publication

OS/390 was published on 1995[6].

Why It Matters

OS/390 draws 27 Wikipedia views per month (operating_system category, ranking #150 of 552).[2] OS/390 has Wikipedia articles in 11 language editions, a strong signal of global cultural recognition.[8]

Related Entities

IBM MVS operating system z/OS

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] ↑ . wikidata.org.
  5. [7] ↑ . wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [8] ↑ . Wikidata sitelinks. 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). OS/390. Retrieved May 3, 2026, from https://4ort.xyz/entity/os-390
MLA “OS/390.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/os-390.
BibTeX @misc{4ortxyz_os-390_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{OS/390}}, year = {2026}, url = {https://4ort.xyz/entity/os-390}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): OS/390 — https://4ort.xyz/entity/os-390 (retrieved 2026-05-03)

Canonical URL: https://4ort.xyz/entity/os-390 · Last refreshed:

Edit History

Rolling log of changes to this entity's Wikidata record. Values shown reflect the current state of each edited property — follow the history link to see the precise diff for any edit.

  1. 8d ago · HelloImSteven · 2026-05-13 view diff on Wikidata ↗
    Publication date → +1995-00-00T00:00:00Z
    Instance of → operating system
    Developer → IBM
    Freebase id → —
    + 9 other properties edited (see Wikidata diff for full list)
    "/* wbsetclaim-create:2||1 */ [[Property:P12946]]: OS/390"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.