redhat man page for void

VOID(4x)																  VOID(4x)

NAME
       void - null input driver

SYNOPSIS
       Section "InputDevice"
	 Identifier "idevname"
	 Driver "void"
	 ...
       EndSection

DESCRIPTION
       void  is an dummy/null XFree86 input driver.  It doesn't connect to any physical device, and it never delivers any events.  It functions as
       both a pointer and keyboard device, and may be used as X server's core pointer and/or core keyboard.  It's purpose is to allow the X server
       to operate without a core pointer and/or core keyboard.

CONFIGURATION DETAILS
       Please  refer  to  XF86Config(5x)  for  general configuration details and for options that can be used with all input drivers.  This driver
       doesn't have any configuration options in addition to those.

SEE ALSO
       XFree86(1), XF86Config(5x), xf86config(1), Xserver(1), X(7x).

AUTHORS
       Authors include...

XFree86 						       Version Version 4.3.0							  VOID(4x)