MacOS version history
= MacOS version history
{wiki=MacOS_version_history}
macOS, previously known as Mac OS X and OS X, is the operating system for Apple's desktop and laptop computers. Here's an overview of its version history: \#\#\# Mac OS X (2001-2012) 1. **Mac OS X 10.0 (Cheetah)** - March 24, 2001 2. **Mac OS X 10.1 (Puma)** - September 25, 2001 3. **Mac OS X 10.