Tom's Hardware on MSN

45 years later, earliest DOS source code transcribed from a stack of old printouts found in garage

Microsoft VP confirms transcribed document “is perfect and recompiles byte for byte to the original binaries.” ...

Microsoft open-sources “the earliest DOS source code discovered to date”

For students of early PC history, this isn’t even the first piece of 86-DOS history that has been newly rediscovered this ...
XDA Developers on MSN

Microsoft open-sources MS-DOS 1.0, offering a rare look at PC history

This is a rare look at the tech giant's first operating system ...

Microsoft releases the earliest DOS source code ever discovered as open source

Microsoft has officially released another significant piece of DOS history. The "Paterson Listings" include the earliest ...

My 5 favorite open source operating systems that aren't Linux

Looking for non-Linux open-source options? From ghosts of past operating systems to fascinating works in progress, here are ...