OS X, previously Mac OS X, is a series of Unix-based graphical interface operating systems developed, marketed, and sold by Apple Inc. It is designed to run exclusively on Mac computers, having been pre-loaded on all Macs since 2002. It was the successor to Mac OS 9, released in 1999, the final release of the "classic" Mac OS, which had been Apple's primary operating system since 1984.
All stories in OS X
If you're an OS X user that's curious about Windows 10 -- or perhaps you're a Windows 7 or 8 user that keeps swatting away ...