<s>
wmctrl	B-Device
is	O
a	O
command	B-Application
used	O
to	O
control	O
windows	O
in	O
EWMH	B-Application
-	O
and	O
NetWM-compatible	O
X	B-Operating_System
Window	I-Operating_System
window	B-Application
managers	I-Application
.	O
</s>
<s>
It	O
also	O
has	O
the	O
ability	O
to	O
interact	O
with	O
virtual	B-Application
desktops	I-Application
and	O
give	O
information	O
about	O
the	O
window	B-Application
manager	I-Application
.	O
</s>
<s>
wmctrl	B-Device
is	O
a	O
command-line	B-Application
program	I-Application
,	O
however	O
,	O
it	O
has	O
some	O
functions	O
that	O
allow	O
the	O
mouse	O
to	O
select	O
a	O
window	O
for	O
an	O
operation	O
.	O
</s>
