You are having problems with a particular font and you want to see if its directory is included in XF86Config. Which section contains this information?
You are using an application that you want to appear on the screen of another machine. What environment variable would you have to set or edit to achieve this?
After installing and configuring Xfree86, you notice that when you start X, the display is not centered. What program can you run to find a better modeline setting?