Add Yahoo as a preferred source to see more of our stories on Google. The floppy disk contains the oldest version of 86-DOS thought to still exist. Although long-abandoned for far more advanced ...

In context: Back in 1980, Tim Paterson was creating a new operating system he called QDOS or Quick and Dirty Operating System. The system was later renamed 86-DOS, as it was being designed to run on ...

The earliest known version of 86-DOS, which is basically the great grandfather of Microsoft DOS has arrived on the internet, thanks to a tech enthusiast who has uploaded the version to the Archive.

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