Quote Originally Posted by matkun View Post
Nothing stops you from doing that. You can just set it to boot into multi-user command line mode or if you ever do feel like using the GNOME or KDE Desktop, just open up a console and do whatever you want on the command line.
Or,

Usually, you just need to do <CTRL><ALT><F1> (or <F2> or <F3> ...) to switch to pure command line console without any graphic.
<CTRL><ALT><F7> to switch back to graphic mode.