If we say Windows, Microsoft’s legendary operating system, and you try to think of the oldest, most of us will probably go back to Windows 98. But the tech giant Windows It used an operating system before it existed. The operating system used during these periods where things like creating themes and backgrounds became a luxury CHEST It was in the name.

although in terms of graphics Although it may not be a sight to behold now, it was there that the foundation was laid for the computers we use today. Ten years ago, Microsoft shared the source codes of MS-DOS 1.25 and 2.0 with the Computer History Museum. Now MS-DOS 4.00, the multitasking version, has been shared.

Now the source code of MS-DOS 4.00 has been shared.

Code sharing in collaboration with IBM Microsoft, making it possible to archive and use the relevant technology. In background information shared on the Microsoft Open Source forum, it was mentioned that Connor had found previously unreleased beta versions of Starfrost Hyde on his floppies.

Hoping to obtain an open source license for the operating system, Hyde contacted Microsoft. However, at that time he did not develop the operating system alone, but received help from IBM. Microsoft This did not seem easy to him. But eventually, in collaboration with IBM, they shared the source code on GitHub. The company said it was able to successfully run the 36-year-old code and did so on an original IBM PC XT model. You can access the relevant GitHub page here.