Here are some screenshoots from Morphix
With linux you can use either a command line interface (CLI) or graphicar user interface (GUI). In GUI you can do things
with the mouse (as well as write commands).
Your problem is probably a result that you havent installed any desktop environment. The two most popular are Gnome or KDE.
Or perhpaps it's installed but not enabled. Try to log in with your username and password and type: startx
Alternatively, install some other distribution of linux. For example, ubuntu http://www.ubuntu.com/
It's very easy to install.