1) I want to learn the Mac Operating system
2) I am used to with the Microsoft Windows Operating system (Win 95, 98, NT, 2000, XP, Vista and 7)
3) I want to learn Mac OS something like windows XP, Vista and 7
4) My questions:
First: What are the name of the Mac OS which are similar to Window XP, Vista or 7?
Second: Is there any way that I can get the free download of the evaluation version of the above operating system?
5) Thank you