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 ...

Microsoft finally open sources DOS 1.0 - and it's so much more than the code

Microsoft finally open sources DOS 1.0 - and it's so much more than the code ...
Purdue University

In Print: ‘Operating System Design: The Xinu Approach’

Lauded for avoiding the typical vague, high-level survey approach found in many texts, earlier editions of this bestselling book removed the mystery by explaining the internal structure of an ...
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 ...
Neowin

A quick look back at Microsoft's first computer operating system, Xenix

Long before Windows, and even before MS-DOS, Microsoft sold a Unix-based operating system it called Xenix in 1980. It was the first OS made by the company, but it eventually sold it off in 1987. On ...
Nature

An operating system for networked quantum computers is a huge practical step forward

Abstractions are the keystone of the dynamic ecosystem of information and communication technology. You can think of them as allowing you to drive a car without understanding how the engine or ...
Computerworld

Which operating system is best for solid-state drives?

Solid-state disk (SSD) drive architecture can play a big role in how fast a computer boots up and performs. But how big a role the SSDs play — and how much faster an operating system is — depends as ...