<s>
4Dwm	B-Device
is	O
the	O
window	B-Application
manager	I-Application
component	O
of	O
the	O
IRIX	B-Device
Interactive	I-Device
Desktop	I-Device
normally	O
used	O
on	O
Silicon	O
Graphics	O
workstations	O
running	O
IRIX	B-Operating_System
.	O
</s>
<s>
4Dwm	B-Device
is	O
derived	O
from	O
the	O
older	O
Motif	B-Device
Window	I-Device
Manager	I-Device
and	O
uses	O
the	O
Motif	B-Application
widget	I-Application
toolkit	I-Application
on	O
top	O
of	O
the	O
X	B-Operating_System
Window	I-Operating_System
System	I-Operating_System
found	O
on	O
most	O
Unix	B-Application
systems	I-Application
.	O
</s>
<s>
4Dwm	B-Device
on	O
IRIX	B-Operating_System
was	O
one	O
of	O
the	O
first	O
default	O
graphical	B-Application
user	I-Application
interface	I-Application
desktops	O
to	O
be	O
standard	O
on	O
a	O
Unix	B-Application
computer	O
system	O
.	O
</s>
<s>
4Dwm	B-Device
refers	O
to	O
"	O
Fourth	O
dimension	O
window	B-Application
manager	I-Application
"	O
and	O
has	O
no	O
relation	O
to	O
dwm	B-Language
.	O
</s>
<s>
Other	O
X	B-Application
window	I-Application
managers	I-Application
that	O
mimic	O
the	O
4Dwm	B-Device
look	B-Application
and	I-Application
feel	I-Application
exist	O
,	O
such	O
as	O
4Dwm	B-Device
theme	O
for	O
IceWM	B-Language
and	O
5Dwm	O
which	O
is	O
a	O
clone/compatible	O
implementation	O
of	O
4Dwm	B-Device
based	O
OpenMotif	B-Application
.	O
</s>
<s>
5Dwm	O
support	O
both	O
the	O
classic	O
SGI	O
look	O
and	O
a	O
modern/polished	O
look	B-Application
and	I-Application
feel	I-Application
with	O
anti-aliased	O
fonts	O
and	O
UTF-8	O
support	O
.	O
</s>
