In addition to other information, the xset utility displays font path information that may look like this:xset q
Font Path: /usr/lib/X11/fonts/100dpi/,/usr/lib/X11/fonts/75dpi/, /usr/lib/X11/fonts/misc/,/usr/lib/X11/fonts/Type1/, /usr/lib/X11/fonts/Speedo/,/usr/lib/X11/fonts/CID/The X Window System checks the resolution of your video monitor. If that resolution is closer to 75 dpi than 100 dpi, it puts the directory 75dpi ahead of the directory 100dpi in the X font path.