![]() Now that we know the contents of these disks, it’s clear that the Computer History Museum made an even bigger mess than we 2019 UpdateĮarlier this year, a PCjs user emailed me a list of the contents of Microsoft’s MS-DOS 2.00 OEM distribution disks.īased on that information, I recreated the five disks pictured above and added them to the PCjs Disk Library. Microsoft’s sole improvement of the 2018 re-release was to quietly relax restrictions on the reuse of the source code,īy releasing it under an MIT License, instead of the older and much more restrictive And while GitHub is a great way to save and share files, Git repositories don’t preserve originalįile modification dates and times, unfortunately. Original CHM release, so no effort was made to improve the previous release, remove irrelevant files, organize them by The MS-DOS 1.x and 2.x source files on GitHub. On September 28, 2018, Microsoft re-released V20source folder, completely unrelated to MS-DOS–and also completely useless, since the main executable, WS.COM, was not To add to the confusion, some WordStar 3.20 binary files were included in the The rest of the source files are actuallyįrom a much later snapshot of source code, used to build MS-DOS 2.11, so at best, the collection should be referred to as OEM diskettes pictured above are primarily binary files, not source code. What the original file names and timestamps were, and what (if anything) was omitted.Īnd it isn’t entirely correct to describe those files as the source code for “MS-DOS 2.00”. Instead, they released a ZIP archive that aggregated the contents of the MS-DOS 2.00 diskettes (pictured above) into twoįolders, v20object and v20source, with no clear indication which files came from which disk, why some files were renamed, ![]() Unfortunately, the Computer History Museum decided not to share the precise contents of the diskettes in its possession. On March 25, 2014, source code upon which OEMs based their MS-DOS 1.x and 2.x releases was made available to the Instead, there were OEM releases of MS-DOS based on version 2.00, Home of the original IBM PC emulator for browsers. ![]()
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