<s>
In	O
computing	O
,	O
is	O
the	O
key	O
combination	O
of	O
the	O
control	B-Device
key	I-Device
and	O
a	O
key	O
usually	O
labeled	O
"	O
x	B-Operating_System
"	O
(	O
lower-case	O
letter	O
ex	O
)	O
,	O
typically	O
used	O
to	O
cut	B-General_Concept
selected	O
text	O
and	O
save	O
it	O
to	O
the	O
clipboard	O
ready	O
to	O
paste	O
elsewhere	O
.	O
</s>
<s>
To	O
avoid	O
having	O
to	O
press	O
multiple	O
keys	O
simultaneously	O
,	O
the	O
key	O
combination	O
is	O
,	O
on	O
some	O
systems	O
,	O
entered	O
by	O
first	O
pushing	O
the	O
control	B-Device
key	I-Device
and	O
then	O
the	O
X	B-Operating_System
key	O
.	O
</s>
<s>
In	O
many	O
software	B-Application
applications	I-Application
on	O
Windows	O
and	O
the	O
X	B-Operating_System
Window	I-Operating_System
System	I-Operating_System
can	O
be	O
used	O
to	O
cut	B-General_Concept
highlighted	O
mutable	O
text	O
to	O
the	O
clipboard	O
.	O
</s>
<s>
On	O
Mac	B-Operating_System
OS	I-Operating_System
X	I-Operating_System
has	O
an	O
analogous	O
function	O
.	O
</s>
<s>
The	O
key	O
combination	O
was	O
one	O
of	O
a	O
handful	O
of	O
keyboard	B-Device
sequences	O
chosen	O
by	O
the	O
program	O
designers	O
at	O
Xerox	O
PARC	O
to	O
control	B-Device
text	B-Application
editing	I-Application
.	O
</s>
<s>
For	O
historical	O
reasons	O
,	O
the	O
control	B-Device
character	O
CAN	O
may	O
be	O
referred	O
to	O
as	O
.	O
</s>
<s>
In	O
computer	B-General_Concept
science	I-General_Concept
,	O
this	O
style	O
of	O
interaction	O
is	O
referred	O
to	O
as	O
indirect	O
manipulation	O
,	O
a	O
human	O
–	O
computer	O
interaction	O
style	O
,	O
as	O
opposed	O
to	O
direct	O
manipulation	O
.	O
</s>
<s>
Direct	O
manipulation	O
is	O
a	O
term	O
introduced	O
by	O
Ben	O
Shneiderman	O
in	O
1982	O
within	O
the	O
context	O
of	O
office	O
applications	O
and	O
the	O
desktop	B-Application
metaphor	I-Application
.	O
</s>
