[newbie] No freakin clue?!?!?

[Luenin]

Im really really new with computers....not to mention Linux(which a
friend installed on my comp)  But im trying to learn on my own.  Im
having prob with the screen resolution.  My icons are huge.  How can i
change my sceen resolution.  I have a Savage4.   Please Please help.
Thanx.
Your Homeboy
Roach