QDOS is the multitasking operating system found on the Sinclair QL personal computer and its clones. It was designed by Tony Tebby while working at Sinclair Research as an in house alternative to 68K/OS, later cancelled by Sinclair but released by its original authors, GST Computer Systems. The name is not regarded as an acronym and is sometimes written Qdos; during early development it was referred to internally as Domesdos. This description is adapted from Wikipedia contributors under CC BY-SA 4.0; changes were made. https://creativecommons.org/licenses/by-sa/4.0/
Facts
Classification
LicenseProprietary (Closed Source) 2 Connections
In Field
Source Wikipedia: Sinclair QDOS
Licensed Under
Entity-backed identity for the license enum value this item already carries, resolved to a software license concept by an explicit value-to-entity map (phase 3 bucket conversion, docs\design_entity_backed_browse_buckets_20260928.md). The license fact itself stays on the item unchanged.
Sources
1. Wikipedia: Sinclair QDOS
Infobox
=
In Field: Operating Systems, Lead sentence
QDOS is the multitasking operating system found on the Sinclair QL personal computer and its clones.
View the Source2. Wikidata: Sinclair QDOS
- Wikidata Q2712090, class allow-list match (w-wdresolver-0926)
- Wikidata Q2712090 P275 (license)
- Wikidata Q2712090 P577 (publication/release date) claim -> 1984; checked 2026-09-28
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