Microsoft releases MS-DOS 4 source code on GitHub — 45 year old code now open-source
Microsoft releases MS-DOS 4 source code on GitHub — 45 year old code now open-source
MS-DOS 4.00 code, binaries, disk images, and documentation now available.
![Microsoft releases MS-DOS 4 source code on GitHub — 45 year old code now open-source](https://lemmy.sdf.org/pictrs/image/cbd62e01-30b6-43cf-9783-0c62ffc73e29.png?format=webp&thumbnail=256)
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But not 5.0 yet - they still got critical proprietary stuff in EDIT and SMARTDRV.SYS that they don’t want their competitors to get a hold of.
22 0 ReplyI wonder if they licensed the source of 5.0+ to someone and are still getting paid for it. If so, it's probably something ubiquitous and critical that nobody would think of like traffic lights or water treatment plants.
11 0 ReplyI think that is likely since 3.3 wasn't included either and that is one of those versions people stuck with for ages.
7 0 Reply
According to people who are way more interested in this than I am, there was a bunch of licensed software in 5 and 6.
4 0 Reply