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

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 ...

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