<s>
The	O
configuration	B-Protocol
file	I-Protocol
XF86Config	B-Protocol
of	O
the	O
XFree86	B-Device
project	O
is	O
used	O
by	O
the	O
X	O
server	O
to	O
set	O
necessary	O
configuration	O
parameters	O
.	O
</s>
<s>
On	O
typical	O
Unix-like	O
systems	O
the	O
file	O
often	O
is	O
found	O
in	O
/etc/X11	O
and	O
a	O
log	O
file	O
is	O
in	O
/var/log	O
,	O
typically	O
named	O
XFree86.0.log	O
for	O
the	O
last	O
start	O
of	O
X	O
and	O
XFree86.0.log.old	O
for	O
the	O
previous	O
one	O
.	O
</s>
<s>
Inappropriate	O
editing	O
of	O
this	O
file	O
may	O
result	O
in	O
a	O
black	O
or	O
illegible	O
screen	O
or	O
might	O
even	O
damage	O
the	O
monitor	O
,	O
especially	O
if	O
it	O
is	O
a	O
CRT	B-Device
.	O
</s>
<s>
In	O
the	O
X.org	B-Operating_System
Server	I-Operating_System
fork	O
of	O
the	O
XFree86	B-Device
project	O
,	O
the	O
file	O
is	O
called	O
xorg.conf	B-Protocol
,	O
but	O
the	O
specification	O
is	O
nearly	O
identical	O
.	O
</s>
<s>
The	O
X.org	B-Operating_System
Server	I-Operating_System
tries	O
,	O
however	O
,	O
to	O
autoconfigure	O
as	O
much	O
as	O
possible	O
with	O
the	O
aim	O
of	O
making	O
xorg.conf	B-Protocol
unnecessary	O
in	O
the	O
greatest	O
proportion	O
of	O
cases	O
.	O
</s>
