# PC-DOS

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> Last updated: 2026-05-24T22:12:46.125379+00:00
> 1 articles mentioning **PC-DOS**

- [Microsoft open-sources "the earliest DOS source code discovered to date"](https://wpnews.pro/news/microsoft-open-sources-the-earliest-dos-source-code-discovered-to-date) — 2026-05-24