Rock-solid foundations

Rock-solid foundations.
Explore the core technologies that power Leaopard.

64-Bit. Advanced precision in one OS.
Leopard delivers 64-bit power in one, universal OS.
Now the Cocoa application frameworks, as well as graphics, scripting, and the UNIX foundations of the Mac, are all 64-bit. And since you get full performance and compatibility for your 32-bit applications and drivers, you don't need to update everything on your system just to run a single 64-bit application.

Multicore. Fire on all cylinders.
Today's Mac computers offer astounding performance with up to eight cores of processing power. So how do you take full advantage? Simple. With Leopard. A rearchitected system, finely tuned key applications, and powerful new tools for developers make Leopard the perfect OS for your multicore Mac.

Security. Safer by design.Every Mac is secure--right out of the box--thanks to the proven foundation of Mac OS X. Apple engineers have designed Leopard with more security to protect your personal data and make your online life safer.

Core Animation. Drag-and-drop-dead gorgeous.Welcome to the next level in computer animation. No, it's not a feature film--it's your desktop. Core Animation is an API that makes it simple for Mac developers to add visually stunning graphics and animations to applications. Without any esoteric graphics and math techniques, you can create fluid, stutter-free effects and experiences as groundbreaking as Spaces and Time Machine.

UNIX. The UNIX you know. The Mac you love.What can the fully UNIX-compliant Leopard do? It can run any POSIX-compliant source code. Help you make the most of multicore systems. Put a new, tabbed-interface Terminal at your fingertips. Introduce a whole host of new features that make life easier for every developer. So, really, what can't it do?