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 ...
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 ...
Maryland Reporter

Operating system design principles and concepts

Operating systems are the backbone of modern computing and play a crucial role in managing the resources of a computer. The design and implementation of an operating system involve a wide range of ...
How-To Geek on MSN

5 open-source operating systems everyone mistakes for Linux

FreeBSD, Haiku, and other systems everyone mistakes for Linux are actually their own OS outside of the system that you are ...