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Microsoft open sources DOS 1.0 – and it's more than the code
- ChrisArchitect 6mo agoSource: https://opensource.microsoft.com/blog/2026/04/28/continuing-the-story-of-early-dos-development/ https://opensource.microsoft.com/blog/2026/04/28/continuing-... (https://news.ycombinator.com/item?id=47936462 https://news.ycombinator.com/item?id=47936462)