How to determine Xorg configuration file in use?

[Alexander Apprich]

Hi Victor,

Victor Marquez wrote:
> Hi all,
> 
> I am trying to add resolution options to the graphical environment but 
> can not find the appropriate configuration file in use.
> 
> I added my resolution option to /etc/X11/xorg.conf and to 
> /etc/XF86Config and did tellinit 3 and tellinit 5 each time. After that 
> I do not see the new option added to the list when I access System 
> Settings... Display... Settings.
> 
> This is how I added the option:
> 
> Section "Screen"
>         Identifier "Screen0"
>         Device     "Videocard0"
>         Monitor    "Monitor0"
>         DefaultDepth     24
>         SubSection "Display"
>                 Viewport   0 0
>                 Depth     16
>                 Modes    "1280x800" "1024x768" "800x600" "640x480"
>         EndSubSection
>         SubSection "Display"
>                 Viewport   0 0
>                 Depth     24
>                 Modes    "1280x800" "1024x768" "800x600" "640x480"
>         EndSubSection
> EndSection
> 
> I am using FC3 as VMware guest OS under Windows XP.
> 
> I have a laptop with monitor at 1280x800.
> 
> I have read man xorg.conf and tried to determine the appropriate file by 
> looking at the paths this man page says xorg searches and still can not 
> find the appropriate file.
> 
> I can not find the -config option because I do not know where xorg is 
> started. Looked at /etc/inittab and it runs /etc/X11/prefdm -nodaemon 
> but I believe it is not started there. Or it is?
> 
> My environment seems not to have a $XORGCONFIG variable set (echo 
> $XORGCONFIG returns a blank line).
> 
> Can somebody help me please?

/var/log/Xorg.0.log

and there is a line like this...

(==) Using config file: "/etc/X11/xorg.conf"

> 
> Thanks a lot in advance.
> 
> Victor Marquez
> 
Hth

Alex