<s>
XFree86	B-Device
is	O
an	O
implementation	O
of	O
the	O
X	B-Operating_System
Window	I-Operating_System
System	I-Operating_System
.	O
</s>
<s>
It	O
was	O
originally	O
written	O
for	O
Unix-like	B-Operating_System
operating	I-Operating_System
systems	I-Operating_System
on	O
IBM	O
PC	O
compatibles	O
and	O
was	O
available	O
for	O
many	O
other	O
operating	B-General_Concept
systems	I-General_Concept
and	O
platforms	O
.	O
</s>
<s>
It	O
is	O
free	B-Application
and	I-Application
open	I-Application
source	I-Application
software	I-Application
under	O
the	O
XFree86	B-Device
License	O
version	O
1.1	O
.	O
</s>
<s>
It	O
was	O
developed	O
by	O
the	O
XFree86	B-Device
Project	O
,	O
Inc	O
.	O
</s>
<s>
The	O
last	O
XFree86	B-Device
CVS	B-Application
commit	O
was	O
made	O
on	O
May	O
18	O
,	O
2009	O
;	O
the	O
project	O
was	O
confirmed	O
dormant	O
in	O
December	O
2011	O
.	O
</s>
<s>
For	O
most	O
of	O
the	O
1990s	O
and	O
early	O
2000s	O
,	O
the	O
project	O
was	O
the	O
source	O
of	O
most	O
innovation	O
in	O
X	B-Operating_System
and	O
was	O
the	O
de	O
facto	O
steward	O
of	O
X	B-Operating_System
development	O
.	O
</s>
<s>
Until	O
early	O
2004	O
,	O
it	O
was	O
almost	O
universal	O
on	O
Linux	B-Application
and	O
the	O
BSDs	B-Operating_System
.	O
</s>
<s>
In	O
February	O
2004	O
,	O
with	O
version	O
4.4.0	O
,	O
The	O
XFree86	B-Device
Project	O
began	O
distributing	O
new	O
code	O
with	O
a	O
copyright	O
license	O
that	O
the	B-Operating_System
Free	I-Operating_System
Software	I-Operating_System
Foundation	I-Operating_System
considered	O
GPL	B-License
incompatible	O
.	O
</s>
<s>
Most	O
open	B-Application
source	I-Application
operating	B-General_Concept
systems	I-General_Concept
using	O
XFree86	B-Device
found	O
this	O
unacceptable	O
and	O
moved	O
to	O
a	O
fork	B-Application
from	O
before	O
the	O
license	O
change	O
.	O
</s>
<s>
The	O
first	O
fork	B-Application
was	O
the	O
abortive	O
Xouvert	B-Device
,	O
but	O
X.Org	B-Operating_System
Server	I-Operating_System
soon	O
became	O
dominant	O
.	O
</s>
<s>
Most	O
XFree86	B-Device
developers	O
also	O
moved	O
to	O
X.Org	B-Application
.	O
</s>
<s>
While	O
XFree86	B-Device
was	O
widely	O
used	O
by	O
most	O
Unix-like	B-Operating_System
computer	B-General_Concept
operating	I-General_Concept
systems	I-General_Concept
before	O
its	O
license	O
change	O
with	O
version	O
4.4.0	O
,	O
it	O
has	O
since	O
then	O
been	O
superseded	O
by	O
X.org	B-Application
and	O
is	O
used	O
rarely	O
nowadays	O
.	O
</s>
<s>
The	O
last	O
remaining	O
operating	B-General_Concept
system	I-General_Concept
distribution	O
to	O
use	O
it	O
was	O
NetBSD	B-Device
,	O
which	O
shipped	O
some	O
platforms	O
with	O
4.5.0	O
by	O
default	O
until	O
removing	O
it	O
as	O
obsolete	O
in	O
2015	O
.	O
and	O
later	O
releases	O
use	O
X.org	B-Application
by	O
default	O
on	O
various	O
ports	O
(	O
including	O
i386	O
and	O
amd64	O
)	O
,	O
and	O
X.org	B-Application
is	O
available	O
through	O
NetBSD	B-Device
pkgsrc	B-Application
for	O
architectures	O
for	O
which	O
XFree86	B-Device
remains	O
the	O
default	O
because	O
of	O
better	O
support	O
.	O
</s>
<s>
,	O
the	O
netbsd-7	O
branch	O
and	O
release	O
were	O
the	O
last	O
to	O
potentially	O
contain	O
XFree86	B-Device
,	O
and	O
XFree86	B-Device
was	O
completely	O
removed	O
before	O
netbsd-8	O
branch	O
and	O
release	O
in	O
2018	O
.	O
</s>
<s>
The	O
XFree86	B-Device
server	O
communicates	O
with	O
the	O
host	O
operating	B-General_Concept
system	I-General_Concept
's	O
kernel	B-Operating_System
to	O
drive	O
input	O
and	O
output	O
devices	O
,	O
with	O
the	O
exception	O
of	O
graphics	B-Device
cards	I-Device
.	O
</s>
<s>
These	O
are	O
generally	O
managed	O
directly	O
by	O
XFree86	B-Device
,	O
so	O
it	O
includes	O
its	O
own	O
drivers	O
for	O
all	O
graphic	B-Device
cards	I-Device
a	O
user	O
might	O
have	O
.	O
</s>
<s>
Since	O
version	O
4.0	O
,	O
XFree86	B-Device
has	O
supported	O
certain	O
accelerated	O
3D	B-Device
graphics	I-Device
cards	I-Device
via	O
the	O
GLX	B-Device
and	O
DRI	B-Application
extensions	O
.	O
</s>
<s>
Also	O
in	O
the	O
version	O
4.0	O
,	O
XFree86	B-Device
moved	O
to	O
a	O
new	O
driver	O
model	O
,	O
from	O
one	O
X	B-Operating_System
server	O
binary	O
per	O
driver	O
to	O
a	O
unique	O
X	B-Operating_System
server	O
capable	O
of	O
loading	O
several	O
drivers	O
at	O
a	O
time	O
.	O
</s>
<s>
Because	O
the	O
server	O
usually	O
needs	O
low	O
level	O
access	O
to	O
graphics	O
hardware	O
,	O
on	O
many	O
configurations	O
it	O
needs	O
to	O
run	O
as	O
the	O
superuser	B-Application
,	O
or	O
a	O
user	O
with	O
UID	B-Application
0	O
.	O
</s>
<s>
It	O
is	O
also	O
possible	O
to	O
use	O
XFree86	B-Device
in	O
a	O
framebuffer	B-Language
device	I-Language
,	O
which	O
in	O
turn	O
uses	O
a	O
kernel	B-Operating_System
graphics	B-Device
card	I-Device
driver	O
.	O
</s>
<s>
On	O
a	O
typical	O
POSIX-system	O
,	O
the	O
directory	O
/etc/X11	O
includes	O
the	O
configuration	O
files	O
.	O
</s>
<s>
The	O
basic	O
configuration	O
file	O
is	O
/etc/X11/XF86Config	O
(	O
or	O
XF86Config-4	O
)	O
that	O
includes	O
variables	O
about	O
the	O
screen	B-Device
(	O
monitor	O
)	O
,	O
keyboard	B-Device
and	O
graphics	B-Device
card	I-Device
.	O
</s>
<s>
The	O
program	O
xf86config	B-Protocol
is	O
often	O
used	O
,	O
although	O
xf86cfg	O
also	O
comes	O
with	O
the	O
XFree86	B-Device
server	O
and	O
is	O
certainly	O
friendlier	O
.	O
</s>
<s>
Many	O
Linux	B-Application
distributions	O
used	O
to	O
include	O
a	O
configuration	O
tool	O
that	O
was	O
easier	O
to	O
use	O
(	O
such	O
as	O
Debian	O
's	O
debconf	O
)	O
or	O
autodetected	O
most	O
(	O
if	O
not	O
all	O
)	O
settings	O
(	O
Red	O
Hat	O
Linux	B-Application
and	O
Fedora	O
's	O
Anaconda	B-Language
,	O
SuSE	O
's	O
YaST	B-Device
and	O
Mandrake	O
Linux	B-Application
used	O
to	O
choose	O
this	O
path	O
)	O
.	O
</s>
<s>
The	O
project	O
began	O
in	O
1992	O
when	O
David	O
Wexelblat	O
,	O
Glenn	O
Lai	O
,	O
David	O
Dawes	O
and	O
Jim	O
Tsillas	O
joined	O
forces	O
addressing	O
bugs	O
in	O
the	O
source	O
code	O
of	O
the	O
X386	B-Device
X	B-Operating_System
display	I-Operating_System
server	I-Operating_System
(	O
written	O
by	O
Thomas	O
Roell	O
)	O
,	O
as	O
contributed	O
to	O
X11R5	B-Operating_System
.	O
</s>
<s>
This	O
version	O
was	O
initially	O
called	O
X386	B-Device
1.2E	O
.	O
</s>
<s>
As	O
newer	O
versions	O
of	O
the	O
(	O
originally	O
freeware	O
)	O
X386	B-Device
were	O
being	O
sold	O
under	O
a	O
proprietary	B-Application
software	I-Application
license	I-Application
by	O
SGCS	O
(	O
of	O
which	O
Roell	O
was	O
a	O
partner	O
)	O
,	O
confusion	O
existed	O
between	O
the	O
projects	O
.	O
</s>
<s>
After	O
discussion	O
,	O
the	O
project	O
was	O
renamed	O
XFree86	B-Device
,	O
as	O
a	O
pun	B-Application
(	O
compare	O
X-three-eighty-six	O
to	O
X-free-eighty-six	O
)	O
.	O
</s>
<s>
Roell	O
has	O
continued	O
to	O
sell	O
proprietary	B-Application
X	B-Operating_System
servers	I-Operating_System
,	O
most	O
recently	O
under	O
the	O
name	O
Accelerated-X	B-Application
.	O
</s>
<s>
As	O
Linux	B-Application
grew	O
in	O
popularity	O
,	O
XFree86	B-Device
rose	O
with	O
it	O
,	O
as	O
the	O
main	O
X	B-Operating_System
project	O
with	O
drivers	O
for	O
PC	O
video	B-Device
cards	I-Device
.	O
</s>
<s>
By	O
the	O
late	O
1990s	O
,	O
official	O
X	B-Operating_System
development	O
was	O
moribund	O
.	O
</s>
<s>
Most	O
technical	O
advancement	O
was	O
happening	O
in	O
the	O
XFree86	B-Device
project	O
.	O
</s>
<s>
In	O
1999	O
,	O
XFree86	B-Device
was	O
sponsored	O
onto	O
X.Org	B-Application
(	O
the	O
official	O
industry	O
consortium	O
)	O
by	O
various	O
hardware	O
companies	O
interested	O
in	O
its	O
use	O
with	O
Linux	B-Application
and	O
its	O
status	O
as	O
the	O
most	O
popular	O
version	O
of	O
X	B-Operating_System
.	O
</s>
<s>
By	O
2002	O
,	O
while	O
Linux	B-Application
's	O
popularity	O
,	O
and	O
hence	O
the	O
installed	O
base	O
of	O
X	B-Operating_System
,	O
surged	O
,	O
X.Org	B-Application
was	O
all	O
but	O
inactive	O
;	O
active	O
development	O
was	O
largely	O
carried	O
out	O
by	O
XFree86	B-Device
.	O
</s>
<s>
However	O
,	O
there	O
was	O
considerable	O
dissent	O
within	O
XFree86	B-Device
.	O
</s>
<s>
XFree86	B-Device
used	O
to	O
have	O
a	O
Core	O
Team	O
which	O
was	O
made	O
up	O
of	O
experienced	O
developers	O
,	O
selected	O
by	O
other	O
Core	O
Team	O
members	O
for	O
their	O
merits	O
.	O
</s>
<s>
Only	O
the	O
members	O
of	O
this	O
Core	O
Team	O
were	O
allowed	O
to	O
commit	O
to	O
CVS	B-Application
.	O
</s>
<s>
Hours	O
before	O
the	O
feature	O
freeze	O
window	O
for	O
XFree86	B-Device
4.3.0	O
started	O
,	O
he	O
committed	O
the	O
XFIXES	B-Device
extension	O
(	O
which	O
he	O
developed	O
himself	O
)	O
,	O
without	O
prior	O
discussion	O
or	O
without	O
review	O
within	O
the	O
Core	O
Team	O
.	O
</s>
<s>
The	O
Core	O
Team	O
decided	O
to	O
remove	O
Keith	O
's	O
commit	O
access	O
,	O
but	O
without	O
removing	O
him	O
from	O
the	O
Core	O
Team	O
itself	O
,	O
and	O
the	O
XFIXES	B-Device
extension	O
was	O
backed	O
out	O
six	O
weeks	O
later	O
.	O
</s>
<s>
In	O
March	O
2003	O
,	O
the	O
Core	O
Team	O
claimed	O
that	O
Packard	O
had	O
been	O
trying	O
to	O
fork	B-Application
the	O
XFree86	B-Device
project	O
by	O
working	O
inside	O
the	O
project	O
while	O
trying	O
to	O
attract	O
core	O
developers	O
to	O
a	O
new	O
X	B-Operating_System
Server	O
project	O
of	O
his	O
own	O
making	O
.	O
</s>
<s>
A	O
short	O
time	O
later	O
,	O
Packard	O
created	O
xwin.org,	O
which	O
mainly	O
served	O
as	O
a	O
meeting	O
point	O
for	O
cultivating	O
the	O
XFree86	B-Device
fork	B-Application
.	O
</s>
<s>
The	O
rest	O
of	O
the	O
year	O
,	O
many	O
of	O
the	O
developers	O
that	O
were	O
still	O
active	O
at	O
XFree86	B-Device
went	O
over	O
to	O
the	O
project	O
that	O
was	O
being	O
set	O
up	O
at	O
the	O
freedesktop.org	B-Application
and	O
X.org	B-Application
domains	O
.	O
</s>
<s>
By	O
the	O
end	O
of	O
the	O
year	O
,	O
due	O
to	O
dwindling	O
active	O
membership	O
and	O
limited	O
remaining	O
development	O
capacity	O
,	O
the	O
XFree86	B-Device
Core	O
Team	O
voted	O
to	O
disband	O
itself	O
.	O
</s>
<s>
Versions	O
of	O
XFree86	B-Device
up	O
to	O
and	O
including	O
some	O
release	O
candidates	O
for	O
4.4.0	O
were	O
under	O
the	B-License
MIT	I-License
License	I-License
,	O
a	O
permissive	B-License
,	O
non-copyleft	B-License
free	B-Application
software	I-Application
license	O
.	O
</s>
<s>
In	O
February	O
2004	O
,	O
XFree86	B-Device
4.4	O
was	O
released	O
with	O
a	O
change	O
to	O
the	O
XFree86	B-Device
license	O
,	O
by	O
adding	O
a	O
credit	O
clause	O
,	O
similar	O
to	O
that	O
in	O
the	O
original	O
BSD	B-Operating_System
license	I-Operating_System
,	O
but	O
broader	O
in	O
scope	O
.	O
</s>
<s>
The	O
newer	O
terms	O
are	O
referred	O
to	O
as	O
the	O
XFree86	B-Device
License	O
1.1	O
.	O
</s>
<s>
Many	O
projects	O
relying	O
on	O
XFree86	B-Device
found	O
the	O
new	O
license	O
unacceptable	O
,	O
and	O
the	B-Operating_System
Free	I-Operating_System
Software	I-Operating_System
Foundation	I-Operating_System
considers	O
it	O
incompatible	O
with	O
the	O
version	O
2	O
of	O
the	O
GNU	B-License
General	I-License
Public	I-License
License	I-License
,	O
though	O
compatible	O
with	O
version	O
3	O
.	O
</s>
<s>
The	O
XFree86	B-Device
Project	O
states	O
that	O
the	O
license	O
is	O
"	O
as	O
GPL	B-License
compatible	O
as	O
any	O
and	O
all	O
previous	O
versions	O
were	O
"	O
,	O
but	O
does	O
not	O
mention	O
which	O
version	O
or	O
versions	O
of	O
the	O
GPL	B-License
this	O
is	O
valid	O
for	O
.	O
</s>
<s>
Some	O
projects	O
made	O
releases	O
(	O
notably	O
OpenBSD	B-Operating_System
3.5	O
and	O
3.6	O
,	O
and	O
Debian	O
3.1	O
"	O
Sarge	O
"	O
)	O
based	O
on	O
XFree86	B-Device
version	O
4.4	O
RC2	O
,	O
the	O
last	O
version	O
under	O
the	O
old	O
license	O
.	O
</s>
<s>
Most	O
operating	B-General_Concept
systems	I-General_Concept
incorporating	O
XFree86	B-Device
(	O
including	O
later	O
versions	O
of	O
OpenBSD	B-Operating_System
and	O
Debian	O
)	O
migrated	O
to	O
the	O
X.Org	B-Operating_System
Server	I-Operating_System
.	O
</s>
<s>
Shortly	O
after	O
he	O
was	O
expelled	O
from	O
the	O
XFree86	B-Device
Core	O
Team	O
,	O
Keith	O
Packard	O
started	O
setting	O
up	O
xwin.org	O
.	O
</s>
<s>
While	O
this	O
was	O
claimed	O
to	O
be	O
the	O
fork	B-Application
of	O
XFree86	B-Device
,	O
Keith	O
Packard	O
later	O
refined	O
this	O
to	O
"	O
a	O
forum	O
for	O
community	O
participation	O
in	O
X	B-Operating_System
"	O
.	O
</s>
<s>
XWin	B-Operating_System
saw	O
a	O
lot	O
of	O
activity	O
in	O
the	O
first	O
two	O
months	O
after	O
the	O
announcements	O
,	O
but	O
most	O
of	O
the	O
activity	O
was	O
happening	O
behind	O
the	O
scenes	O
,	O
and	O
Keith	O
moved	O
his	O
own	O
development	O
to	O
freedesktop.org	B-Application
.	O
</s>
<s>
Xouvert	B-Device
was	O
later	O
also	O
hailed	O
as	O
the	O
first	O
XFree86	B-Device
fork	B-Application
in	O
August	O
2003	O
.	O
</s>
<s>
The	O
X.Org	B-Operating_System
Server	I-Operating_System
became	O
the	O
official	O
reference	O
implementation	O
of	O
X11	B-Operating_System
.	O
</s>
<s>
The	O
first	O
version	O
,	O
X11R6.7.0	O
,	O
was	O
forked	O
from	O
XFree86	B-Device
version	O
4.4	O
RC2	O
to	O
avoid	O
the	O
XFree86	B-Device
license	O
changes	O
,	O
with	O
X11R6.6	O
changes	O
merged	O
in	O
.	O
</s>
<s>
Version	O
X11R6.8	O
added	O
many	O
new	O
extensions	O
,	O
drivers	O
and	O
fixes	O
.	O
</s>
<s>
It	O
is	O
hosted	O
by	O
and	O
works	O
closely	O
with	O
corporate-sponsored	O
freedesktop.org	B-Application
.	O
</s>
<s>
Most	O
of	O
the	O
open-source	B-Application
Unix-like	B-Operating_System
operating	I-Operating_System
systems	I-Operating_System
have	O
adopted	O
the	O
X.Org	B-Operating_System
Server	I-Operating_System
in	O
place	O
of	O
XFree86	B-Device
,	O
and	O
most	O
of	O
the	O
XFree86	B-Device
developers	O
have	O
moved	O
to	O
X.Org	B-Application
.	O
</s>
<s>
Version	O
Release	O
date	O
Most	O
important	O
changesFirst	O
X386	B-Device
version	O
by	O
Thomas	O
Roell	O
,	O
based	O
on	O
X11R4.Included	O
with	O
X11R5.First	O
pre-XFree86	O
code	O
by	O
eventual	O
team	O
members.First	O
version	O
named	O
"	O
XFree86	B-Device
"	O
.Last	O
version	O
based	O
on	O
X11R5.Release	O
for	O
X11R6.XFree86	O
Acceleration	O
Architecture	O
(	O
XAA	O
)	O
Last	O
3.x	O
version.Complete	O
new	O
architecture	O
.	O
</s>
<s>
X11R6.4	O
included.XRenderXFree86	O
4.4.0	O
RC2	O
(	O
fwd	O
)	O
.	O
</s>
<s>
Retrieved	O
on	O
2013-09-07.Forked	O
to	O
X.Org	B-Application
ServerFirst	O
version	O
under	O
XFree86	B-Device
License	O
1.1	O
.	O
</s>
