It used to be that you had to be a bit tech savey to install linux. Now, I consider it even easier then Winders(tm). Especially on older machines.

Linux vs Winders.

(as an operating system)
Linux wins! Because Winders isn't even in the running.
Its not an operating system. It lacks several features that are required to be an OS (unless, you pay for the professional version and then pay for a control suite like McAfee.

(as a secure system)
Linux wins! Because Winders says, "install virus here".
No, really, it does. The "I love you" virus was written out of a college text book. (complete with comments)
Winders has many PROVEN back doors for the NSA, etc.
IE is now built into the OS allowing all types of paths for virus attacks.

Worst, when Microsloth was working on Win 9, they wouldn't allow other companies access to it until it was released. So, no one except Microsloth had a anti-virus.... Soooo, Microsloth sold a product, and then had people pay them more money to secure that product. I believe that is called extortion.