-How to set the font for Xterm-
One way is to locate and edit .Xdefaults file. If it is not in your /home/user/ directory, do:
locate Xdefaults
Copy it to your /home/user/ directory and rename it if necessary to
.Xdefaults (needs the dot in front)
chown user:group .Xdefaults
Edit .Xdefaults and find the line xterm*font: . It will probably
be followed by fixed
Replace it with these two lines
XTerm*font: *-fixed-*-*-*-20-*
XTerm*boldFont: *-fixed-*-*-*-20-* (-20- is the font size)
Save and do one more thing to make the changes take effect.
xrdb -merge ~/.Xdefaults
Cheers