As I have been saying in my last
few articles, Linux desktops like Gnome, KDE, LXDE, XFCE, etc. (except
Unity) can be customized - so much that even at times it becomes
difficult to identify what desktop environment (DE) actually it is! In my last article I covered whatever is written here, just separating out the compiz bit so that it is easier to search in google.
From Enabling Desktop