What folks aren’t posting is why this is important. As a survivor of computing in the 80s, I’ll provide my votes:
The history and source of early computing is being preserved and opened up – vintage computing is huge right now and having the materials from that era are vital.
MS-DOS has a checkered history and does things in unorthodox manners at times. Looking at the source code, one can read the comments and see why PC-DOS (for IBM) and MS-DOS (Microsoft) differed.
There are efforts to save computing on old platforms. Some important code only runs on now ancient operating systems. Those system environments must be recreatable to be able to run the important software that was developed specifically for that OS and that era.
Do you believe this is an important step? Post in the comments below.
Stop breadboarding and soldering – start making immediately! Adafruit’s Circuit Playground is jam-packed with LEDs, sensors, buttons, alligator clip pads and more. Build projects with Circuit Playground in a few minutes with the drag-and-drop MakeCode programming site, learn computer science using the CS Discoveries class on code.org, jump into CircuitPython to learn Python and hardware together, TinyGO, or even use the Arduino IDE. Circuit Playground Express is the newest and best Circuit Playground board, with support for CircuitPython, MakeCode, and Arduino. It has a powerful processor, 10 NeoPixels, mini speaker, InfraRed receive and transmit, two buttons, a switch, 14 alligator clip pads, and lots of sensors: capacitive touch, IR proximity, temperature, light, motion and sound. A whole wide world of electronics and coding is waiting for you, and it fits in the palm of your hand.