As you can see from the list above, with the exception of the first OS X beta, all versions of the Mac operating system from 2001 to 2012 were named after big cats, from Cheetah to Panther to the ...
Ten years ago today, on March 24 th 2001, Apple released Mac OS X 10.0 Cheetah. Now ten years on, OS X has evolved into what we know and love as being Snow Leopard, that latest major update to OS X.
If you have an old PowerPC Mac laying around collecting dust in a closet somewhere, you might be able to get some use out of it today by installing a functional modern web browser, like Aquafox.