<s>
Kmscon	B-Application
is	O
a	O
virtual	B-Application
console	I-Application
that	O
runs	O
in	O
userspace	B-Operating_System
and	O
intends	O
to	O
replace	O
the	O
Linux	B-Application
console	I-Application
,	O
a	O
terminal	O
built	O
into	O
the	O
Linux	B-Operating_System
kernel	I-Operating_System
.	O
</s>
<s>
Kmscon	B-Application
uses	O
the	O
KMS	B-Application
driver	I-Application
for	O
its	O
output	O
,	O
it	O
is	O
multiseat-capable	O
,	O
and	O
supports	O
internationalized	O
keyboard	O
input	O
and	O
UTF-8	O
terminal	O
output	O
.	O
</s>
<s>
The	O
input	O
support	O
is	O
implemented	O
using	O
X	B-Application
keyboard	I-Application
extension	I-Application
(	O
XKB	B-Application
)	O
.	O
</s>
<s>
Development	O
of	O
Kmscon	B-Application
stopped	O
in	O
March	O
2015	O
.	O
</s>
<s>
There	O
was	O
a	O
successor	O
project	O
called	O
systemd-consoled	O
,	O
but	O
this	O
project	O
was	O
also	O
later	O
dropped	O
in	O
July	O
2015	O
.	O
</s>
<s>
Kmscon	B-Application
supports	O
printing	O
the	O
full	O
set	O
of	O
Unicode	O
glyphs	B-Application
and	O
is	O
not	O
limited	O
by	O
console	O
encoding	O
as	O
the	O
Linux	B-Application
console	I-Application
.	O
</s>
<s>
While	O
the	O
only	O
hard	O
dependency	O
is	O
udev	B-Application
,	O
kmscon	B-Application
can	O
optionally	O
be	O
compiled	O
to	O
use	O
Mesa	B-Application
for	O
hardware	B-General_Concept
acceleration	I-General_Concept
of	O
the	O
console	O
,	O
and	O
the	O
pango	B-Language
library	O
for	O
improved	O
font	O
rendering	O
.	O
</s>
<s>
The	O
adoption	O
of	O
XKB	B-Application
for	O
input	O
allows	O
kmscon	B-Application
to	O
accept	O
the	O
full	O
range	O
of	O
available	O
keyboard	O
layouts	O
for	O
the	O
X.Org	B-Operating_System
Server	I-Operating_System
and	O
Wayland	B-Language
compositors	O
for	O
input	O
and	O
makes	O
it	O
possible	O
to	O
use	O
the	O
same	O
layout	O
both	O
in	O
graphical	O
environment	O
and	O
in	O
terminal	O
.	O
</s>
<s>
The	O
VT	O
system	O
in	O
the	O
Linux	B-Operating_System
kernel	I-Operating_System
dates	O
to	O
1993	O
and	O
does	O
not	O
implement	O
out-of-the-box	O
multiseat	B-Operating_System
support	O
.	O
</s>
<s>
This	O
necessitates	O
additional	O
steps	O
to	O
configure	O
multiseat	B-Operating_System
support	O
.	O
</s>
<s>
kmscon/systemd	O
-consoled	O
will	O
enable	O
multiseat	B-Operating_System
out-of-the-box	O
.	O
</s>
<s>
This	O
is	O
the	O
approach	O
favored	O
and	O
assumed	O
by	O
systemd	B-Application
.	O
</s>
<s>
In	O
2011	O
,	O
Jesse	O
Barnes	O
wrote	O
in	O
his	O
blog	O
about	O
the	O
possible	O
userspace	B-Operating_System
DRM-based	O
implementation	O
of	O
the	O
virtual	B-Application
terminal	I-Application
,	O
that	O
would	O
dissolve	O
the	O
need	O
for	O
the	O
Linux	B-Language
framebuffer	I-Language
and	O
virtual	B-Application
terminal	I-Application
(	O
VT	O
)	O
subsystems	O
in	O
the	O
Linux	B-Operating_System
kernel	I-Operating_System
.	O
</s>
<s>
Motivated	O
by	O
this	O
blog	O
post	O
,	O
David	O
Herrmann	O
implemented	O
the	O
basic	O
functionality	O
of	O
virtual	B-Application
terminal	I-Application
.	O
</s>
<s>
In	O
October	O
2013	O
,	O
terminal	O
emulator	O
state	O
machine	O
(	O
)	O
library	O
,	O
a	O
state	O
machine	O
for	O
DEC	B-Device
VT100	I-Device
–	O
VT520	B-Application
compatible	O
terminal	O
emulators	O
,	O
was	O
split	O
out	O
of	O
kmscon	B-Application
and	O
made	O
available	O
separately	O
.	O
</s>
<s>
It	O
was	O
amended	O
with	O
wlterm	O
,	O
an	O
example	O
Wayland	B-Language
terminal	O
emulator	O
.	O
</s>
