Answer by
Emilie (5)
There are many Apple operating systems. The most current is OSX, which has had many versions. The most current version is Snow Leopard (10.6), but there has also been Leopard, Tiger, Leopard, Cheetah, etc. There are also many older operating systems, like OS9, OS8, OS7, OS6, and so on. There are now mobile operating systems, like iOS.