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 ...

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 ...

A new kernel (core program) within an operating system gives researchers a cleaner view of what's happening inside a ...

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 ...

Hoping to steer its next-generation Windows operating system — code-named Longhorn — into the developer community, Microsoft has released previews of the software. The actual Longhorn operating system ...