And when you use Xorg, the files are the same you are used to with other O/Ses.
Code:
$ uname -a
SunOS pcjll 5.11 snv_27 i86pc i386 i86pc
$ ls -l /etc/X11/xorg.conf /usr/X11/bin/xorg*
-rw-r--r--+ 1 root root 3123 Dec 9 22:33 /etc/X11/xorg.conf
-rwxr-xr-x 1 root bin 932532 Nov 4 19:24 /usr/X11/bin/xorgcfg
-r-xr-xr-x 1 root bin 67008 Nov 4 19:29 /usr/X11/bin/xorgconfig
$