Quote Originally Posted by maks View Post
It doesn't have virus problems for the same reason linux doesn't, because it's a better, more secure, more solid system at every level.
unix based operating systems are more secure but let's not overlook market share as being a pretty big reason

if people had more reason to target Unix based operating systems Apple wouldn't be claiming "immunity" to viruses for very long, Windows IS less secure and has a far larger market share, so it makes sense to exploit it since it's easier and gives access to a much larger "audience"