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Apr 26, 2024 · Apr 26, 2024. 12. Well, this came out of nowhere: Microsoft and IBM have open-sourced MS-DOS 4.0, a legacy command line OS the two worked on together over 40 years ago. This release follows the...
Apr 25, 2024 · Open sourcing MS-DOS 4.0. Ten years ago, Microsoft released the source for MS-DOS 1.25 and 2.0 to the Computer History Museum, and then later republished them for reference purposes. This code holds an important place in history and is a fascinating read of an operating system that was written entirely in 8086 assembly code nearly 45 years ago ...
Apr 26, 2024 · The MS-DOS 4.00 code is available on Microsoft's MS-DOS GitHub page along with versions 1.25 and 2.0, which Microsoft open-sourced in cooperation with the Computer History Museum back in 2014.
Apr 26, 2024 · Some older versions have been released as open-source software over the past few years, giving us a better look at early computing history, and now the code for the 1988 release of MS-DOS 4.0 is available. Microsoft has just released the code for version 4.0 of MS-DOS. The operating system was released in 1988, 36 years ago, and was a notable ...
- Arol Wright
- News/Feature Writer
Apr 26, 2024 · MS-DOS 4.0 (multitasking) is entirely unrelated to the “real” versions 4 of MS-DOS that followed later. The actual version 4 was called MS-DOS 4.00, and it’s the source code to this specific version that’s being released as open source today. MS-DOS 4.00 was quickly followed by 4.01 and 4.01a, but apparently OEMs would confusingly still ...
Apr 26, 2024 · A decade after releasing the source code for MS-DOS 1.1 and MS-DOS 2.0, Microsoft has open sourced a (slightly) more recent operating system: MS-DOS 4.0. First released in 1988, you can now ...
Apr 26, 2024 · Fri 26 Apr 2024 // 20:00 UTC. In partnership with IBM, Microsoft has released the source code for MS-DOS 4.0, more than 35 years since the operating system made a muted appearance ahead of Windows 3.x. MS-DOS 4.0 is a relic from when IBM and Microsoft were in the throes of their joint OS/2 adventure. It was notable for its support of FAT16 hard ...
