Microsoft and IBM release source code for one of the weirdest versions of MS-DOS
Briefly

from Ars Technica1 week ago
Microsoft open-sourced the source code of 1988's MS-DOS 4.00, a version known for its unpopularity and bugginess, separate from the intended multitasking version.
Ars Technicahttps://arstechnica.com/gadgets/2024/04/microsoft-and-ibm-release-source-code-for-one-of-the-weirdest-versions-of-ms-dos/
MS-DOS 4.00 was supposed to have multitasking features, named MT-DOS, but the source code released is for a non-multitasking version enhanced by IBM for more features.
Ars Technicahttps://arstechnica.com/gadgets/2024/04/microsoft-and-ibm-release-source-code-for-one-of-the-weirdest-versions-of-ms-dos/
Multitasking in DOS was not pursued further by Microsoft, shifting focus to Windows and OS/2. MS-DOS 5.x and 6.x continued the one-app-at-a-time model.
Ars Technicahttps://arstechnica.com/gadgets/2024/04/microsoft-and-ibm-release-source-code-for-one-of-the-weirdest-versions-of-ms-dos/
Microsoft may update the release with more documentation and files for MT-DOS. Connor Hyde's examination of MT-DOS led to the recovery of source code.
Ars Technicahttps://arstechnica.com/gadgets/2024/04/microsoft-and-ibm-release-source-code-for-one-of-the-weirdest-versions-of-ms-dos/
Read at Ars Technica
#microsoft #open-source #ms-dos #ibm #multitasking
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