No.
It will depend what you are trying to achieve and how you define better. If software is written to use Microsoft's Windows system and is not available for Apple's Mac OS then Windows would be better. If you are using a Mac made by Apple then the Mac OS would probably be more suitable but you can always switch to Windows on a Mac if needed. If you are looking for a cheaper, virus free, trouble free computing experience then Mac OS would be your choice.
Mac OS X Lion is better than Windows 7 because it is faster, doesn't get viruses, is a lot more secure and in my opinion has a better user interface. It's up to you though to decide which is better. Remember if you get a Mac you can run both Windows 7 and Mac OS.
Mac OS 10.5 is the fifth version of Mac OS 10 and is codenamed "Leopard". It provides stability enhancements as well as new features and a better user interface.
Mac OS X 10.4 was called Tiger and Mac OS X 10.5 was called Leopard. The 10.5 (Leopard) version is better than the 10.4 (Tiger) version. They would not have sold many copies of Leopard if it was worse than Tiger.
Compaired to macs windows are a little cheaper but macs are WAY better
I have a Mac OS X but I know Mac OS is a computer made by the brand/company, Apple.
You cannot without erasing your hard drive and installing Mac OS 9 from scratch. Even then Mac OS 9 may not run on modern Mac hardware because Mac OS 9 needs the ROM chip to boot. Modern Mac OS X hardware uses EFI to boot the system instead of a ROM chip to boot. Mac OS X v10.0 - Mac OS X v10.4 support Mac OS 9 applications and can run them, you just need to install the Mac OS 9 compatibility program which can be found on the Mac OS X Install CD.
The second name of Mac OS X v10.4.5 is Mac OS X v10.4 Intel.Mac OS X 10.4 was known as Mac OS X Tiger.
The oldest mac OS is System 1
Mac OS Leopard
Mac OS X 10.4 (Tiger) needs to be purchased as it is not possible to update from Mac OS X 10.2.8
Unless the disc is damaged and so needs reformatting you can run the Mac OS installer over an existing Mac OS.