Just take a look at the Windows desktop versus Linux desktop. The Windows desktop is far more fragmented and discongruous. With Linux, the main difference is w

Just take a look at the Windows desktop versus Linux desktop. The Windows desktop is far more fragmented and discongruous. With Linux, the main difference is whether your desktop is primarily Qt or GTK. Sometimes an app using the other toolkit will look kind of funny, but most of those differences are paved over by any competent distro (eg: Debian, Fedora, Ubuntu, OpenSUSE...).