The Linux Interface

Linux? It doesn't have a graphical user interface.

As we have seen before, Linux is a kernel so actually Linux does not have a user interface. Hold on! Hold on windows fans, before you start dancing, let me just tell you something of a very high importance. A kernel does not come with a user interface, this is why Linux does not have one, BUT, all Linux based distros come with an interface. So actually Linux operating systems have an interface? NO! But, didn't you just say that they have an interface?! Well, to be more clear Linux distros do not have "an" they have SEVERAL interfaces and not just one. But, how is that possible??! Since Linux is the kernel, the user of the distro is allowed to use his favorite desktop environment over it. So I have the ability to choose? Yes, you do! Example of desktop environments would be:

GNOME
KDE
XFCE
LXDE

Though, hold your horses before claiming after a thoughtful analysis that Linux can change THEMES. Themes are different than a Desktop Environment. A desktop environment is the package of all the libraries that take care of display on the screen. Thus, each desktop environment has its own different look, feel and themes. Here are some images that I have gathered in order to cut the misconception of thinking that Linux looks like command prompt on windows (for silly windows users):

Press on one image and scroll through all the others.