graeme_p - 8:09 am on Oct 10, 2013 (gmt 0)
@diberry, you can buy computers with Linux pre-installed from vendors like System76, Think Penguin and Emperor Linux. My location makes them inconvenient bur I managed to buy an HP Probook 4540s without OS (which I recommend if you want a cheapish laptop). If you spending a bit more you could look at the Dell XPS Developer Edition.
@dstiles, are you talking about this?
It only allows a user with a login to Linux to escalate privileges, and does not allow Windows (or Windows software) to tamper with Linux.
Wine, which gives Windows software the same access to your system as native applications is probably more of a concern - some Windows malware runs on Wine, but every experiment I have read about trying this found they do no actual damage unless you deliberately run them as root.