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# DOS 4.0 src
- URL: https://ostreff.info/dos-4-0-src/
- Published: 2024-04-27T10:25:48.000Z
- Updated: 2024-05-06T05:42:41.000Z
- Author: Jordan Ostreff
- Tags: #src

[MS-DOS/v4.0 at main · microsoft/MS-DOSThe original sources of MS-DOS 1.25, 2.0, and 4.0 for reference purposes - microsoft/MS-DOS![](https://github.githubassets.com/assets/pinned-octocat-093da3e6fa40.svg)GitHubmicrosoft![](https://opengraph.githubassets.com/1d9957f4820d258a1faa1045ba77ccd05dc1640aadbd3cfc7a85a0d4bfc0946f/microsoft/MS-DOS)](https://github.com/microsoft/MS-DOS/tree/main/v4.0?ref=ostreff.info)