User: Give me a bulleted list of the first ten MacOS (operating system) versions.
Assistant: 1. Mac OS X 10.0 (Cheetah)
2. Mac OS X 10.1 (Puma)
3. Mac OS X 10.2 (Jaguar)
4. Mac OS X 10.3 (Panther)
5. Mac OS X 10.4 (Tiger)
6. Mac OS X 10.5 (Leopard)
7. Mac OS X 10.6 (Snow Leopard)
8. Mac OS X 10.7 (Lion)
9. OS X 10.8 (Mountain Lion)
10. OS X 10.9 (Mavericks)