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  "path": "/software/operating-systems/45-years-later-earliest-dos-source-code-transcribed-from-a-stack-of-old-printouts-found-in-a-garage-code-was-open-sourced-to-mark-86-dos-1-00s-anniversary",
  "publishedAt": "2026-05-02T14:40:00.000Z",
  "site": "https://www.tomshardware.com",
  "tags": [
    "Operating Systems",
    "Software"
  ],
  "textContent": "Microsoft continues to make some of the earliest chapters of its operating system history open-source and freely available. Here's 86-DOS 1.00, released on its 45th anniversary, for example.",
  "title": "45 years later, earliest DOS source code transcribed from a stack of old printouts found in a garage — code was open-sourced to mark 86-DOS 1.00’s anniversary"
}