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?

A.
xvidtune

B.
xvideoagent

C.
XF86Setup

D.
xf86config

Explanation:
xvidtunE. video mode tuner for XFree86.
Synopsis: xvidtune [ -show | -prev | -next | -unlock ] [ -toolkitoption … ]