The original sources of MS-DOS 1.25 and 2.0, for reference purposes
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v1.25 MS-DOS v1.25 Release Sep 22, 2018
v2.0 MS-DOS v2.0 Release Sep 22, 2018
LICENSE.md Remove ampersand + change to same title as README Oct 2, 2018
README-ger.md rewrote Readme in proper German. Oct 21, 2018
README.af-ZA.md Rename README.af.md to README.af-ZA.md Oct 4, 2018
README.ar-AR.md README in Arabic Oct 3, 2018
README.ca.md Update README.ca.md Oct 4, 2018
README.es.md Spelling fix Oct 23, 2018
README.fr-FR.md Update README.fr-FR.md according to review Oct 4, 2018
README.gr-GR.md MS-DOS README in Greek Oct 4, 2018
README.hindi.md Slight update on the translation Oct 4, 2018
README.hu-HU.md Added Hungarian README file Oct 4, 2018
README.id-ID.md Fix word choice and reformat to follow original English README Oct 4, 2018
README.it-IT.md Add Italian version of README.md Oct 4, 2018
README.ja-JP.md add README in Japanese Oct 4, 2018
README.ko-KR.md Fixing a typo mistake on Korean Readme - redone Oct 4, 2018
README.md README in Portuguese is now README.pt-PT Oct 4, 2018
README.pt-BR.md Merge pull request #91 from abnerescocio/patch-2 Nov 6, 2018
README.pt-PT.md Changed "sinta-se à vontade" to "não hesite" Oct 5, 2018
README.ru-RU.md Fixes proposed by @daskool Oct 8, 2018
README.sv-SE.md Improve Swedish version of readme Oct 4, 2018
README.th-TH.md add README.md for Thai language Oct 5, 2018
README.tr-TR.md Add Turkish translation for README Oct 22, 2018
README.zh-TW.md Translate README to zh-TW (Taiwan) Oct 4, 2018
msdos-logo.png Optimized PNG's Oct 1, 2018
msdos-logo_250x250.png Optimized PNG's Oct 1, 2018

README.md

MS-DOS logo

MS-DOS v1.25 and v2.0 Source Code

This repo contains the original source-code and compiled binaries for MS-DOS v1.25 and MS-DOS v2.0.

These are the same files originally shared at the Computer History Museum on March 25th, 2014 and are being (re)published in this repo to make them easier to find, reference-to in external writing and works, and to allow exploration and experimentation for those interested in early PC Operating Systems.

License

All files within this repo are released under the MIT (OSI) License as per the LICENSE file stored in the root of this repo.

Contribute!

The source files in this repo are for historical reference and will be kept static, so please don’t send Pull Requests suggesting any modifications to the source files, but feel free to fork this repo and experiment 😊.

If, however, you’d like to submit additional non-source content or modifications to non-source files (e.g., this README), please submit via PR, and we’ll review and consider.

This project has adopted the Microsoft Open Source Code of Conduct. For more information see the Code of Conduct FAQ or contact opencode@microsoft.com with any additional questions or comments.