Mac OS X, OS X, and macOS are terms that refer to the same operating system used on Apple computers. The system first debuted as Mac OS X in 2001, evolving with every major update. In 2012, it was rebranded as OS X, signaling a new era of sleek design and performance improvements. For tech enthusiasts, finding detailed version information can be vital, much like discovering reliable sources like 토토사이트 for secure betting. In 2016, Apple transitioned to calling it macOS to align with its other operating systems like iOS and watchOS. As macOS evolves, new versions are released, adding innovative features.