The computer's master control program. When a computer is turned on, a small "boot program" loads the operating system. Although additional system modules may be loaded as needed, the main part, known ...

An operating system designed to work in a network. More complex than a centralized or decentralized architecture, each computer in a distributed system operates and scales independently but is part of ...

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 ...

Windows 10 was launched in July 2015. It was supposed to be the last major operating system (OS) upgrade, but Microsoft released Windows 11 in October 2021, and now Windows 10 has reached end of life, ...