Microsoft open-sources infamously weird, RAM-hungry MS-DOS 4.00 release

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Submitted ⁨⁨1⁩ ⁨week⁩ ago⁩ by ⁨BrikoX@lemmy.zip⁩ to ⁨technology@lemmy.zip⁩

https://arstechnica.com/gadgets/2024/04/microsoft-and-ibm-release-source-code-for-one-of-the-weirdest-versions-of-ms-dos/

DOS 4.00 was supposed to add multitasking to the OS, but it was not to be.

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Heavybell@lemmy.world ⁨1⁩ ⁨week⁩ ago
4.0 is such a weird choice. Like, does 6.22 contain code they’re still using? Is there a reason they couldn’t even share the latest version of their decades-obsolete OS?

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- p03locke@lemmy.dbzer0.com ⁨1⁩ ⁨week⁩ ago
  Even if they were, it would be easy to just decompile and figure it out. Even DOS 5.0 would make more sense to open-source.
  
  This is just another argument to revert copyright laws back to 25 years, and give this tech back to the rightful owners: public domain.
  
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  - Heavybell@lemmy.world ⁨1⁩ ⁨week⁩ ago
    Big agree.
    
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