Operating systems are fairly complex pieces of software, and typically, they're the foundation of your computer experience. You don't usually expect to be able to run one operating system like Windows ...

This website runs a bunch of classic operating systems, complete with software and games. If you used a Mac computer in the '80s or '90s, you likely remember what's now called "Classic Mac OS", the ...

October 23, 1999: Apple releases Mac OS 9, the last version of the classic Mac operating system before the company will make the leap to OS X a couple years later. It does not veer far from OS 8 in ...

Microsoft and Apple operating systems have been around for about 30 years now, and for many of us, just the sight of the UI can provoke a strong sense of nostalgia. To do this, most people get their ...

Various versions of Microsoft's Windows operating system have existed since the 1980s. While the operating system got its start on personal computers, today, versions of Windows are available for a ...

What are open-source operating systems? Underpinning an operating system, for example Windows on your PC or Android on your phone, is many, many lines of code. Allowing anyone to inspect the source ...