crossBACKGROUND
Microsoft open-sources "the earliest DOS source code discovered to date"
BACKGROUND
2 SIGNALSFIRST DETECTED 30 April 2026
Narrative synthesis pending — 2 signals collected.
How the story developed
24 May
Microsoft open-sources "the earliest DOS source code discovered to date"
REPORT · WHAT · Hacker News Best (RSS)
30 Apr
Microsoft open-sources "the earliest DOS source code discovered to date"
REPORT · WHAT · Ars Technica
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Other feeds and industry voices
24 May
Microsoft's 6502 BASIC is now Open Source (2025)
<a href="https://news.ycombinator.com/item?id=48257058">Comments</a>
REPORT · WHAT · Hacker News Best (RSS)OPEN STORY
2 May
How to Build and Run Microsoft's Newly Open-Sourced DOS Source Code
<p>So Microsoft just dropped what they're calling the earliest DOS source code ever discovered, and naturally, my first instinct was to try building it. If you had the same idea
REPORT · HOW · Dev.toOPEN STORY
Sources
Hacker News Best (RSS)Ars Technica
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