<s>
KDE	B-Language
Display	I-Language
Manager	I-Language
(	O
KDM	O
)	O
is	O
a	O
display	B-Device
manager	I-Device
(	O
a	O
graphical	O
login	O
program	O
)	O
developed	O
by	O
KDE	B-Application
for	O
the	O
windowing	B-Application
systems	I-Application
X11	B-Operating_System
.	O
</s>
<s>
KDE	B-Language
Display	I-Language
Manager	I-Language
was	O
based	O
on	O
the	O
source	O
code	O
of	O
X	B-Device
display	I-Device
manager	I-Device
and	O
was	O
the	O
default	O
display	B-Device
manager	I-Device
of	O
the	O
KDE	B-Language
Software	I-Language
Compilation	I-Language
,	O
until	O
it	O
was	O
retired	O
in	O
KDE	B-Language
Plasma	I-Language
5	I-Language
in	O
favour	O
of	O
SDDM	B-Language
.	O
</s>
<s>
KDM	O
allowed	O
the	O
user	O
to	O
choose	O
a	O
desktop	O
environment	O
or	O
window	B-Application
manager	I-Application
at	O
login	O
.	O
</s>
<s>
KDM	O
used	O
the	O
Qt	B-Language
application	B-Application
framework	I-Application
.	O
</s>
<s>
It	O
is	O
configurable	O
via	O
KDE	B-Application
's	O
System	B-Operating_System
Settings	I-Operating_System
;	O
its	O
appearance	O
can	O
be	O
customized	O
by	O
the	O
user	O
.	O
</s>
<s>
From	O
this	O
screen	O
the	O
user	O
can	O
also	O
run	O
a	O
user	O
management	O
tool	O
,	O
shut	B-Device
down	I-Device
or	O
reboot	B-Device
the	O
computer	O
,	O
or	O
restart	O
the	O
X	B-Operating_System
Window	I-Operating_System
System	I-Operating_System
.	O
</s>
