Released in 2001, the first edition of Apple's Mac OS X operating system (version 10.0) was given what animal code name?

The first edition of Apple's Mac OS X operating system, version 10.0, released in 2001, was given the animal code name "Cheetah" because it symbolized the speed and agility of the new operating system. Cheetahs are known for their exceptional speed and are considered one of the fastest land animals, aligning with Apple's aim to create a faster and more efficient operating system. Hence, "Cheetah" was a fitting code name for the initial release of Mac OS X.