LX0-103 · Question #152
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?
The correct answer is C. xvidtune. xvidtune is the interactive X utility for testing and adjusting video mode timing parameters, including modelines, to fix display centering and geometry issues. The other options are configuration tools that do not provide real-time modeline tuning.
Question
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?
Options
- AXF86Setup
- Bxf86config
- Cxvidtune
- Dxvideoagent
How the community answered
(23 responses)- A4% (1)
- C87% (20)
- D9% (2)
Why each option
xvidtune is the interactive X utility for testing and adjusting video mode timing parameters, including modelines, to fix display centering and geometry issues. The other options are configuration tools that do not provide real-time modeline tuning.
XF86Setup is a graphical configuration wizard for initial XFree86 setup and does not provide real-time modeline adjustment.
xf86config is a text-based interactive configuration script for generating XF86Config, not a tool for fine-tuning live display geometry.
xvidtune connects to the running X server and allows interactive adjustment of horizontal and vertical sync, position, and size parameters for the current video mode. It can output the resulting modeline values, which can then be placed into the XF86Config file to make the corrected display geometry permanent.
xvideoagent is not a standard or recognized XFree86 utility.
Concept tested: XFree86 modeline tuning with xvidtune
Source: https://www.x.org/releases/X11R7.7/doc/man/man1/xvidtune.1.xhtml
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