Mac OS X combines the power/stability of Unix with the simplicity of the Mac. The new Aqua interface makes everything even more intuitive. At the foundation of Mac OS X lies an Unix-based operating system that delivers stability and performance providing advanced features such as protected memory, pre-emtive multitasking, advanced memory managemnt and symmetric multiprocessing. It includes easy-to-use tools for making movies, managing music, capturing digital camera photos, burning music and data CDs, playing DVD movies and even authoring DVDs. The classic technology runs thousands of existing Mac OS 9- compatible applications.