Event Brief
Apr 30, 2026 at 12:00 PM ET
Microsoft open-sources earliest DOS source code found
By The BriefBrief
Microsoft has open-sourced what it says is the earliest discovered DOS source code, dating to before its purchase of 86-DOS.
WHO: Microsoft
WHAT: Open-sourcing of the earliest discovered DOS source code
WHEN: Apr 30, 2026 at 10:20 AM ET
WHERE: Location not specified
WHY: No specific cause was reported.
How this brief is built: The BriefBrief correlates multiple sources into one evolving event brief, updated as new facts emerge.
Page 21450 of 21449
Same format. Every time.
Continue reading — sign in or create a free account with
