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legacy system

old computing technology or system that remains in use and may be out of date or in need of replacement
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legacy system

Summary

legacy system is a type of system[1]. It draws 933 Wikipedia views per month (type_of_system category, ranking #21 of 52).[2]

Key Facts

  • legacy system's instance of is recorded as type of system[3].
  • legacy system is a type of computing[4].
  • legacy system's topic's main category is recorded as Category:Legacy systems[5].
  • legacy system's facet of is recorded as software release life cycle[6].
  • legacy system's facet of is recorded as software modernization[7].
  • legacy system's facet of is recorded as security risk[8].
  • legacy system's partially coincident with is recorded as retrocomputing[9].
  • legacy system's has characteristic is recorded as technical debt[10].
  • legacy system's has characteristic is recorded as obsolescence[11].

Body

Definition and Type

legacy system's instance of is recorded as type of system[3]. It is a type of computing[4].

Why It Matters

legacy system draws 933 Wikipedia views per month (type_of_system category, ranking #21 of 52).[2] It has Wikipedia articles in 14 language editions, a strong signal of global cultural recognition.[12] It is known by 53 alternative names across languages and contexts.[13]

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.
  6. [8] ↑ . wikidata.org.
  7. [9] ↑ . wikidata.org.
  8. [10] ↑ . wikidata.org.
  9. [11] ↑ . wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [12] ↑ . Wikidata sitelinks. wikidata.org.
  3. [13] ↑ . 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). legacy system. Retrieved May 3, 2026, from https://4ort.xyz/entity/legacy-system
MLA “legacy system.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/legacy-system.
BibTeX @misc{4ortxyz_legacy-system_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{legacy system}}, year = {2026}, url = {https://4ort.xyz/entity/legacy-system}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): legacy system — https://4ort.xyz/entity/legacy-system (retrieved 2026-05-03)

Canonical URL: https://4ort.xyz/entity/legacy-system · 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. 7d ago · Charp238 · 2026-08-25 view diff on Wikidata ↗
    Image → US Navy 110129-N-7676W-152 Culinary Specialist 3rd Class John Smith uses the exi
    "/* wbsetclaim-create:2||1 */ [[Property:P18]]: US Navy 110129-N-7676W-152 Culinary Specialist 3rd Class John Smith uses the existing DOS-based food service management system aboard the aircraft.jpg"
  2. 11d ago · Susmuffin · 2026-08-21 view diff on Wikidata ↗
    Subclass of → —
    Instance of → type of system
    Partially coincident with → retrocomputing
    Aliases → —
    + 6 other properties edited (see Wikidata diff for full list)
    "/* wbsetclaim-create:1||1 */ [[Property:P13772]]: legacy-systems, Matched to [[:toollabs:mix-n-match/#/entry/289947555|legacy systems (#289947555)]] in [[:toollabs:mix-n-match/#/catalog/7915|Harper's "
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.