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 ...

A traditional operating system (OS) such as Windows, macOS and Linux facilitates user interaction with hardware through a graphical user interface and manages tasks like memory allocation and process ...

Andrew Warkentin has spent over twenty years collecting old operating systems and getting them to run. The result is the ...

Looking for non-Linux open-source options? From ghosts of past operating systems to fascinating works in progress, here are my top picks.

Google unveiled Antigravity 2.0 at I/O 2026, claiming its AI agents built a working operating system in 12 hours while also ...