from #WinAerro. OH my gosh! I remember MSDoss. For those of you who are let's say 35 and older, you might remember using MSDoss in late 80s to early 90s. Look up more info on the win aero blog and download their suite of apps and utilities. Note, I did not write any of this, I'm not that good! lol!
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MS-DOS 4.00 source code is now published on GitHub under the MIT license.
The release of MS-DOS 4.0 is notable for the ability to use a graphical interface and mouse, support for disk partitions larger than 32 MB (up to 2 GB), the addition of the DOSSHELL file manager, support for EMS (Expanded Memory Specification), FASTOPEN and FASTSEEK commands.
GitHub - microsoft/MS-DOS: The original sources of MS-DOS 1.25, 2.0, and 4.0 for reference purposes
The original sources of MS-DOS 1.25, 2.0, and 4.0 for reference purposes - microsoft/MS-DOSGitHub
