I figured it's more like evil that resides somewhere. Like "there is a resident evil in this house", a presence. Then again I'm not native English so what do I know :)
Edit: nevermind, I misread your comment. Yeah I don't reckon they are necessarily evil.
Take this advice, especially if you are just starting with Linux. You can also install it in a VM if you are still running Windows, to get a feeling of different desktop environments (Gnome, xfce, KDE, etc) before choosing.