Here are the operating system versions in order of release:
- 5 Versions
- 5.1 Public Beta: "Kodiak"
- 5.2 Version 10.0: "Cheetah"
- 5.3 Version 10.1: "Puma"
- 5.4 Version 10.2: "Jaguar"
- 5.5 Version 10.3: "Panther"
- 5.6 Version 10.4: "Tiger"
- 5.7 Version 10.5: "Leopard"
- 5.8 Version 10.6: "Snow Leopard"
- 5.9 Version 10.7: "Lion"
- 5.10 Version 10.8: "Mountain Lion"
