Maybe you don't remember the root-kitted Redhat boxes in Korea which were, for some years, responsible for a surprising volume of spam.
Linux distributions then started shipping with un-needed services turned off, and increased broadband meant home machines were attractive targets for botnet malware.
In the past anti-virus on Linux tended to be used by people with a Linux mail server and MS Windows clients.
But, to bring it back to this particular discussion: It'd be fairly easy to wrap malware around a Mac OS X software. The user would need to click and give it permission to install. But how many Mac users run as admin and would just click the warning anyway?
Linux distributions then started shipping with un-needed services turned off, and increased broadband meant home machines were attractive targets for botnet malware.
In the past anti-virus on Linux tended to be used by people with a Linux mail server and MS Windows clients.
But, to bring it back to this particular discussion: It'd be fairly easy to wrap malware around a Mac OS X software. The user would need to click and give it permission to install. But how many Mac users run as admin and would just click the warning anyway?