2 August 2013 by Permi Krishna
Apple designed the Mac OS x operating system preloaded on Mac computers and designed to run exclusively on them. Apple developed this series of Unix based graphical interface operating systems, and markets and sells them themselves.
Apple markets their products under code names, such as Cheetah, Puma Jaguar etc. and the “Panther”, “Tiger” and “Leopard” are registered trademarks of Apple.