xterm with too small fonts! 1/2/2000
try using:
xterm -fn 10x20
or if you like blue background and red!! text:
xterm -fn 10x20 -bg blue -fg red
for more options try the manual page for xterm (type man xterm from shell window). For a list of available color names run the program gcolorsel.
You can make an 'alias' for this command too.