<s>
The	O
Shift	B-Device
key	I-Device
is	O
a	O
modifier	B-Device
key	I-Device
on	O
a	O
keyboard	B-Device
,	O
used	O
to	O
type	O
capital	O
letters	O
and	O
other	O
alternate	O
"	O
upper	O
"	O
characters	O
.	O
</s>
<s>
There	O
are	O
typically	O
two	O
shift	B-Device
keys	I-Device
,	O
on	O
the	O
left	O
and	O
right	O
sides	O
of	O
the	O
row	O
below	O
the	O
home	O
row	O
.	O
</s>
<s>
The	O
Shift	B-Device
key	I-Device
's	O
name	O
originated	O
from	O
the	O
typewriter	O
,	O
where	O
one	O
had	O
to	O
press	O
and	O
hold	O
the	O
button	O
to	O
shift	O
up	O
the	O
case	O
stamp	O
to	O
change	O
to	O
capital	O
letters	O
;	O
</s>
<s>
the	O
shift	B-Device
key	I-Device
was	O
first	O
used	O
in	O
the	O
Remington	O
No	O
.	O
</s>
<s>
On	O
the	O
US	O
layout	O
and	O
similar	O
keyboard	B-Device
layouts	O
,	O
characters	O
that	O
typically	O
require	O
the	O
use	O
of	O
the	O
shift	B-Device
key	I-Device
include	O
the	O
parentheses	O
,	O
the	O
question	O
mark	O
,	O
the	O
exclamation	O
point	O
,	O
and	O
the	O
colon	O
.	O
</s>
<s>
When	O
the	O
caps	B-Device
lock	I-Device
key	I-Device
is	O
engaged	O
,	O
the	O
shift	B-Device
key	I-Device
may	O
be	O
used	O
to	O
type	O
lowercase	O
letters	O
on	O
many	O
operating	B-General_Concept
systems	I-General_Concept
,	O
though	O
not	O
on	O
macOS	B-Application
.	O
</s>
<s>
The	O
keyboard	B-Device
symbol	O
for	O
the	O
Shift	B-Device
key	I-Device
(	O
which	O
is	O
called	O
Level	O
2	O
Select	O
key	O
in	O
the	O
international	O
standard	O
series	O
ISO/IEC	O
9995	O
)	O
is	O
given	O
in	O
ISO/IEC	O
9995-7	O
as	O
symbol	O
1	O
,	O
and	O
in	O
ISO	O
7000	O
“	O
Graphical	O
symbols	O
for	O
use	O
on	O
equipment	O
”	O
as	O
a	O
directional	O
variant	O
of	O
the	O
symbol	O
ISO-7000-251	O
.	O
</s>
<s>
In	O
Unicode	O
6.1	O
,	O
the	O
character	O
approximating	O
this	O
symbol	O
best	O
is	O
U+21E7	O
(	O
⇧	B-Device
)	O
.	O
</s>
<s>
This	O
symbol	O
is	O
commonly	O
used	O
to	O
denote	O
the	O
Shift	B-Device
key	I-Device
on	O
modern	O
keyboards	B-Device
(	O
especially	O
on	O
non-US	O
layouts	O
and	O
on	O
the	O
Apple	B-Device
Keyboard	I-Device
)	O
,	O
sometimes	O
in	O
combination	O
with	O
the	O
word	O
“	O
shift	O
”	O
or	O
its	O
translation	O
in	O
the	O
local	O
language	O
.	O
</s>
<s>
This	O
symbol	O
also	O
is	O
used	O
in	O
texts	O
to	O
denote	O
the	O
shift	B-Device
key	I-Device
.	O
</s>
<s>
On	O
computer	B-Device
keyboards	I-Device
,	O
as	O
opposed	O
to	O
typewriter	O
keyboards	B-Device
,	O
the	O
shift	B-Device
key	I-Device
can	O
have	O
many	O
more	O
uses	O
:	O
</s>
<s>
It	O
is	O
sometimes	O
used	O
to	O
modify	O
the	O
function	B-Application
keys	I-Application
.	O
</s>
<s>
Modern	O
Microsoft	B-Application
Windows	I-Application
keyboards	B-Device
typically	O
have	O
only	O
12	O
function	B-Application
keys	I-Application
;	O
Shift+F1	O
must	O
be	O
used	O
to	O
type	O
F13	O
,	O
Shift+F2	O
for	O
F14	O
,	O
etc	O
.	O
</s>
<s>
It	O
can	O
modify	O
various	O
control	B-Device
and	O
alt	B-Device
keys	I-Device
.	O
</s>
<s>
For	O
example	O
,	O
if	O
Alt-Tab	O
is	O
used	O
to	O
cycle	O
through	O
open	O
windows	O
,	O
Shift-Alt-Tab	O
cycles	O
in	O
the	O
reverse	O
order	O
,	O
and	O
using	O
Ctrl-Shift-S	O
could	O
open	O
a	O
"	O
Save	O
as	O
…	O
"	O
dialogue	O
allowing	O
to	O
choose	O
a	O
new	O
file	O
name	O
and	O
directory	O
instead	O
of	O
overwriting	O
the	O
current	O
file	O
.	O
</s>
<s>
In	O
most	O
graphical	O
systems	O
using	O
a	O
mouse	B-Device
and	O
keyboard	B-Device
,	O
the	O
shift	B-Device
key	I-Device
can	O
be	O
used	O
to	O
select	O
a	O
range	O
.	O
</s>
<s>
The	O
shift	B-Device
key	I-Device
can	O
be	O
used	O
in	O
conjunction	O
with	O
the	O
arrow	O
keys	O
to	O
select	O
text	O
.	O
</s>
<s>
Holding	O
shift	O
while	O
drawing	O
with	O
the	O
mouse	B-Device
in	O
graphics	O
programs	O
generally	O
confines	O
the	O
shape	O
to	O
a	O
straight	O
line	O
,	O
usually	O
vertically	O
or	O
horizontally	O
,	O
or	O
to	O
draw	O
squares	O
and	O
circles	O
using	O
the	O
rectangle	O
and	O
ellipse	O
tools	O
,	O
respectively	O
.	O
</s>
<s>
The	O
shift	B-Device
key	I-Device
can	O
also	O
be	O
used	O
to	O
modify	O
the	O
mouse	B-Device
behavior	O
on	O
a	O
computer	O
.	O
</s>
<s>
For	O
example	O
,	O
holding	O
shift	O
while	O
clicking	O
on	O
a	O
link	O
in	O
a	O
web	B-Application
browser	I-Application
might	O
cause	O
the	O
page	O
to	O
open	O
in	O
a	O
new	O
window	O
,	O
or	O
to	O
be	O
downloaded	O
.	O
</s>
<s>
In	O
some	O
web	B-Application
browsers	I-Application
,	O
holding	O
shift	O
while	O
scrolling	O
will	O
scan	O
through	O
previously	O
viewed	O
web	O
pages	O
.	O
</s>
<s>
In	O
mostly	O
Pinyin	O
Input	O
Method	O
,	O
Shift	B-Device
key	I-Device
usually	O
use	O
to	O
switch	O
between	O
Chinese	O
and	O
lowercase	O
English	O
.	O
</s>
<s>
In	O
older	O
versions	O
of	O
macOS	B-Application
(	O
10.12	O
Sierra	O
and	O
below	O
)	O
,	O
holding	O
while	O
performing	O
certain	O
actions	O
,	O
such	O
as	O
minimising	O
a	O
window	O
or	O
enabling/disabling	O
Dashboard	B-Application
or	O
Mission	O
Control	B-Device
,	O
makes	O
the	O
animation	O
occur	O
in	O
slow	O
motion	O
.	O
</s>
<s>
On	O
some	O
keyboards	B-Device
,	O
if	O
both	O
shift	B-Device
keys	I-Device
are	O
held	O
down	O
simultaneously	O
only	O
some	O
letters	O
can	O
be	O
typed	O
.	O
</s>
<s>
For	O
example	O
,	O
on	O
the	O
Dell	O
keyboard	B-Device
Model	O
RT7D20	O
only	O
16	O
letters	O
can	O
be	O
typed	O
.	O
</s>
<s>
This	O
phenomenon	O
is	O
known	O
as	O
"	O
masking	O
"	O
and	O
is	O
a	O
fundamental	O
limitation	O
of	O
the	O
way	O
the	O
keyboard	B-Device
electronics	O
are	O
designed	O
.	O
</s>
<s>
The	O
following	O
is	O
a	O
list	O
of	O
actions	O
involving	O
the	O
shift	B-Device
key	I-Device
for	O
the	O
Microsoft	B-Application
Windows	I-Application
operating	I-Application
system	I-Application
.	O
</s>
<s>
Actions	O
Result	O
Windows	O
versionsPress	O
Opens	O
the	O
Windows	O
Task	O
Manager.3.1	O
+Hold	O
+	O
click	O
RestartReboots	O
Windows	O
only	O
and	O
not	O
the	O
entire	O
system.95	O
,	O
98	O
,	O
MEHold	O
+	O
insert	O
CDHolding	O
shift	O
while	O
inserting	O
a	O
compact	O
disc	O
in	O
a	O
Microsoft	B-Application
Windows	I-Application
computer	O
will	O
bypass	O
the	O
autorun	O
feature	O
.	O
</s>
<s>
This	O
ability	O
has	O
been	O
used	O
to	O
circumvent	O
the	O
MediaMax	B-Operating_System
CD-3	I-Operating_System
CD	B-Device
copy	B-Application
protection	I-Application
system.95	O
+Hold	O
+	O
click	O
close	O
buttonIn	O
Windows	B-Protocol
Explorer	I-Protocol
,	O
closes	O
the	O
current	O
folder	O
and	O
all	O
parent	O
folders.95	O
+Press	O
In	O
Windows	B-Protocol
Explorer	I-Protocol
,	O
if	O
pressed	O
with	O
objects	O
selected	O
,	O
such	O
as	O
files	O
and	O
folders	O
,	O
this	O
will	O
bypass	O
the	O
recycle	O
bin	O
and	O
delete	B-Device
the	O
selected	O
objects	O
permanently	O
.	O
</s>
<s>
Alternatively	O
,	O
holding	O
shift	O
and	O
selecting	O
the	O
delete	B-Device
option	O
in	O
the	O
context	O
menu	O
of	O
the	O
selected	O
objects	O
will	O
achieve	O
this	O
.	O
</s>
<s>
Retrieving	O
deleted	O
objects	O
after	O
this	O
is	O
only	O
possible	O
using	O
recovery	O
software.95	O
+Press	O
Focuses	O
on	O
the	O
previous	O
object	O
in	O
the	O
objects	O
that	O
are	O
focusable	O
in	O
many	O
Windows	B-Application
applications	I-Application
,	O
such	O
as	O
the	O
previous	O
form	O
control	B-Device
on	O
a	O
form	O
in	O
Internet	O
Explorer.3.1	O
+Press	O
5	O
timesToggles	O
activation	O
of	O
StickyKeys	B-Device
on	O
and	O
off.95	O
+Hold	O
the	O
right	O
for	O
8	O
secondsToggles	O
activation	O
of	O
FilterKeys	O
on	O
and	O
off.95	O
+Press	O
both	O
keysInactivates	O
StickyKeys	B-Device
if	O
it	O
is	O
activated.95	O
+Press	O
left	O
+	O
left	O
+	O
Toggles	O
activation	O
of	O
MouseKeys	O
on	O
and	O
off.95	O
+Press	O
left	O
+	O
left	O
+	O
Toggles	O
activation	O
of	O
High	O
Contrast	O
on	O
and	O
off.95	O
+Press	O
Highlights	O
the	O
last	O
task	O
in	O
the	O
task	O
bar	O
.	O
</s>
