Lancer X avec différents fichiers de config ?

XFree86(1)                                                          XFree86(1)
 
 
 
NAME
       XFree86 - X11R6 X server
 
SYNOPSIS
       XFree86 [:display] [option ...]
 
OPTIONS
       In  addition  to  the normal server options described in the Xserver(1)
       manual page, XFree86 accepts the following command line switches:
 
       -xf86config file
               Read the server configuration from file.  This option will work
               for any file when the server is run as root (i.e, with real-uid
               0),  or  for files relative to a directory in the config search
               path for all other users.