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

Several times in the last couple of decades, Microsoft has released source code for the original MS-DOS operating system that kicked off its decades-long dominance of consumer PCs. This week, the ...
Hackaday

An Entire RISC-V Operating System In 2000 Lines

While Microsoft and Apple don’t release the source code for their operating systems, a good estimate is that it takes around 50 million lines of code to run these software behemoths. The Linux kernel ...
Tidbits

Emulation, Virtualization, and Rosetta 2: A Blend of Old, New, and Yet To Come

Over the decades, Apple has managed several successful processor and operating system migrations with a combination of emulation and virtualization. Emulation lets a computer run code intended for a ...