<s>
Edition	O
window	B-Application
manager	I-Application
,	O
8	O
.	O
</s>
<s>
X	B-Operating_System
were	O
either	O
inspired	O
by	O
,	O
or	O
directly	O
derived	O
from	O
,	O
9wm	B-Language
.	O
</s>
<s>
9wm	B-Language
takes	O
only	O
0.4	O
MB	O
in	O
RAM	O
.	O
</s>
<s>
The	O
file	O
in	O
the	O
9wm	B-Language
source	O
distribution	O
describes	O
it	O
like	O
so	O
:	O
</s>
<s>
9wm	B-Language
does	O
not	O
support	O
a	O
menubar	O
,	O
titlebars	O
,	O
maximize	O
,	O
multiple	B-Application
desktops	I-Application
,	O
desktop	O
shortcuts	O
,	O
theming	O
or	O
a	O
desktop	O
wallpaper	O
.	O
</s>
<s>
A	O
right	O
click	O
on	O
the	O
root	O
window	O
(	O
desktop	O
)	O
opens	O
a	O
context	O
menu	O
providing	O
window	O
operations	O
(	O
move	O
,	O
resize	O
,	O
delete	O
,	O
hide	O
)	O
;	O
a	O
list	O
of	O
up	O
to	O
32	O
hidden	O
windows	O
which	O
may	O
be	O
unhidden	O
by	O
selecting	O
from	O
the	O
menu	O
;	O
and	O
a	O
command	O
to	O
launch	O
a	O
terminal	B-Application
emulator	I-Application
(	O
typically	O
9term	O
)	O
.	O
</s>
<s>
Applications	O
are	O
launched	O
via	O
terminal	O
only	O
,	O
and	O
there	O
is	O
no	O
additional	O
task	B-Operating_System
switching	I-Operating_System
facility	O
.	O
</s>
<s>
9wm	B-Language
uses	O
a	O
click	B-Application
to	I-Application
focus	I-Application
model	O
and	O
requires	O
a	O
three-button	O
mouse	O
.	O
</s>
<s>
New	O
windows	O
are	O
drawn	O
by	O
prompting	O
the	O
user	O
to	O
"	O
sweep	O
out	O
"	O
a	O
screen	O
rectangle	O
for	O
the	O
window	O
,	O
which	O
may	O
be	O
considered	O
focus	B-Application
stealing	I-Application
if	O
an	O
application	O
unexpectedly	O
requests	O
a	O
new	O
window	O
.	O
</s>
<s>
Window	O
borders	O
originally	O
did	O
nothing	O
but	O
indicate	O
focus	O
—	O
draggable	O
borders	O
for	O
move	O
and	O
resize	O
were	O
eventually	O
added	O
to	O
rio	B-Language
in	O
Plan	B-Operating_System
9	I-Operating_System
from	I-Operating_System
Bell	I-Operating_System
Labs	I-Operating_System
and	O
.	O
</s>
<s>
9wm	B-Language
is	O
written	O
in	O
C	B-Language
using	O
the	O
Xlib	B-Language
toolkit	O
and	O
has	O
no	O
other	O
dependencies	O
.	O
</s>
<s>
An	O
undocumented	O
-nostalgia	O
option	O
enables	O
a	O
Blit	B-Protocol
cursor	O
,	O
which	O
John	O
Mackin	O
insisted	O
on	O
.	O
</s>
<s>
During	O
the	O
period	O
when	O
9wm	B-Language
was	O
maintained	O
by	O
David	O
Hogan	O
,	O
the	O
license	O
was	O
as	O
follows	O
:	O
</s>
<s>
After	O
the	O
death	O
of	O
David	O
Hogan	O
,	O
the	O
succeeding	O
maintainers	O
going	O
by	O
the	O
name	O
"	O
The	O
Estate	O
of	O
David	O
Hogan	O
"	O
relicensed	O
version	O
1.1	O
and	O
later	O
versions	O
under	O
the	B-License
MIT	I-License
License	I-License
.	O
</s>
