One way or another, you’re interacting with operating systems. Your smartphone uses one, and your tablet and laptop do as ...

as you'll see in the pictorial history below. It also spelled the end of an era for DOS, which until then had been a separately available operating system. Windows 95 appeared on the cover of PC ...

Director eliminated manual input, making computing more efficient and automated Seventy years later, Director’s legacy remains vital to operating system history Whirlwind I led to SAGE ...

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 ...

Somewhere in the universe, there’s a place that lists every x86 operating system from scratch. Not just some bootloaders, or just a kernel stub, but documentation to build a fully functional ...