Add to Favorites Apple’s Mac OS X Lion is version 10.7 of Apple Computer’s flagship Mac OS X operating system for Macintosh desktop and server computers. The Lion OS release is the eighth update to Mac OS X, superceding the following earlier updates for the operating system: “Cheetah” (v10.0), “Puma” (v10.1), “Jaguar” (v10.2), “Panther” (v10.3), […]