<s>
Medieval	B-Application
:	I-Application
Total	I-Application
War	I-Application
is	O
a	O
turn-based	O
strategy	O
and	O
real-time	B-Application
tactics	I-Application
computer	O
game	O
developed	O
by	O
Creative	O
Assembly	O
and	O
published	O
by	O
Activision	O
.	O
</s>
<s>
Set	O
in	O
the	O
Middle	O
Ages	O
,	O
it	O
is	O
the	O
second	O
game	O
in	O
the	O
Total	O
War	O
series	O
,	O
following	O
on	O
from	O
the	O
2000	O
title	O
Shogun	B-Application
:	I-Application
Total	I-Application
War	I-Application
.	O
</s>
<s>
Originally	O
announced	O
in	O
August	O
2001	O
,	O
the	O
game	O
was	O
released	O
in	O
North	O
America	O
on	O
19	O
August	O
2002	O
and	O
in	O
Europe	O
on	O
30	O
August	O
for	O
Microsoft	B-Application
Windows	I-Application
.	O
</s>
<s>
Following	O
a	O
similar	O
form	O
of	O
play	O
to	O
Shogun	B-Application
:	I-Application
Total	I-Application
War	I-Application
,	O
the	O
player	O
builds	O
a	O
dynastic	B-Device
empire	O
in	O
Europe	O
,	O
North	O
Africa	O
and	O
the	O
Middle	O
East	O
,	O
spanning	O
the	O
period	O
of	O
1087	O
to	O
1453	O
.	O
</s>
<s>
Medieval	B-Application
:	I-Application
Total	I-Application
War	I-Application
received	O
acclaim	O
from	O
reviewers	O
;	O
several	O
critics	O
commending	O
it	O
as	O
a	O
milestone	O
in	O
gaming	O
.	O
</s>
<s>
The	O
real-time	B-Application
battles	O
were	O
praised	O
for	O
their	O
realism	O
and	O
the	O
new	O
feature	O
of	O
siege	B-Application
battles	O
but	O
also	O
received	O
some	O
criticism	O
for	O
unit	O
management	O
.	O
</s>
<s>
Medieval	B-Application
:	I-Application
Total	I-Application
War	I-Application
is	O
based	O
upon	O
the	O
building	O
of	O
an	O
empire	O
across	O
medieval	O
Europe	O
,	O
North	O
Africa	O
and	O
the	O
Middle	O
East	O
.	O
</s>
<s>
As	O
with	O
the	O
preceding	O
Total	O
War	O
game	O
,	O
Shogun	B-Application
:	I-Application
Total	I-Application
War	I-Application
,	O
the	O
game	O
consists	O
of	O
two	O
broad	O
areas	O
of	O
gameplay	O
:	O
a	O
turn-based	O
campaign	O
map	O
that	O
allows	O
the	O
user	O
to	O
move	O
armies	O
across	O
provinces	O
,	O
control	O
agents	O
,	O
diplomacy	O
,	O
religion	O
,	O
and	O
other	O
tasks	O
needed	O
to	O
run	O
their	O
faction	O
,	O
and	O
a	O
real-time	B-Application
battlefield	O
,	O
where	O
the	O
player	O
directs	O
the	O
land	O
battles	O
and	O
sieges	B-Application
that	O
occur	O
.	O
</s>
<s>
In	O
addition	O
to	O
the	O
main	O
campaign	O
,	O
Medieval	B-Application
:	I-Application
Total	I-Application
War	I-Application
also	O
features	O
a	O
game	O
mode	O
where	O
the	O
player	O
can	O
undertake	O
various	O
historical	O
campaigns	O
and	O
battles	O
.	O
</s>
<s>
The	O
main	O
campaign	O
of	O
Medieval	B-Application
:	I-Application
Total	I-Application
War	I-Application
involves	O
the	O
player	O
choosing	O
one	O
of	O
the	O
fourteen	O
playable	O
factions	O
and	O
eventually	O
leading	O
them	O
in	O
conquest	O
on	O
the	O
strategy	O
map	O
.	O
</s>
<s>
The	O
campaign	O
mode	O
is	O
turn-based	O
,	O
with	O
each	O
turn	O
representing	O
one	O
year	O
,	O
allowing	O
the	O
player	O
to	O
attend	O
to	O
all	O
needs	O
of	O
the	O
faction	O
before	O
allowing	O
the	O
artificial	B-Application
intelligence	I-Application
to	O
carry	O
out	O
the	O
other	O
factions	O
 '	O
moves	O
and	O
decisions	O
.	O
</s>
<s>
The	O
campaign	O
is	O
carried	O
out	O
in	O
a	O
similar	O
fashion	O
to	O
Shogun	B-Application
:	I-Application
Total	I-Application
War	I-Application
,	O
but	O
features	O
many	O
enhancements	O
.	O
</s>
<s>
Rebellions	B-Operating_System
can	O
occur	O
if	O
the	O
loyalty	O
of	O
a	O
particular	O
province	O
falls	O
too	O
low	O
,	O
with	O
a	O
rebel	O
army	O
appearing	O
in	O
the	O
province	O
to	O
attempt	O
to	O
assume	O
control	O
from	O
the	O
owners	O
.	O
</s>
<s>
Religion	O
plays	O
an	O
important	O
aspect	O
in	O
Medieval	B-Application
:	I-Application
Total	I-Application
War	I-Application
,	O
with	O
religious	O
differences	O
between	O
the	O
Catholic	O
,	O
Orthodox	O
and	O
Muslim	O
factions	O
affecting	O
diplomacy	O
and	O
population	O
loyalty	O
.	O
</s>
<s>
The	O
battle	O
system	O
takes	O
place	O
on	O
a	O
3D	O
battlefield	O
in	O
real-time	B-Application
,	O
instead	O
of	O
the	O
turn-based	O
system	O
of	O
the	O
campaign	O
.	O
</s>
<s>
Battles	O
are	O
similar	O
to	O
those	O
in	O
Shogun	B-Application
:	I-Application
Total	I-Application
War	I-Application
,	O
where	O
two	O
armies	O
from	O
opposing	O
factions	O
engage	O
in	O
combat	O
until	O
one	O
side	O
is	O
defeated	O
or	O
withdraws	O
.	O
</s>
<s>
Warfare	O
in	O
Medieval	B-Application
:	I-Application
Total	I-Application
War	I-Application
occurs	O
when	O
the	O
player	O
or	O
the	O
artificial	B-Application
intelligence	I-Application
moves	O
their	O
armies	O
into	O
a	O
province	O
held	O
by	O
a	O
hostile	O
faction	O
.	O
</s>
<s>
Sieges	B-Application
are	O
an	O
important	O
aspect	O
of	O
the	O
game	O
introduced	O
to	O
the	O
Total	O
War	O
series	O
,	O
occurring	O
when	O
the	O
invading	O
army	O
elects	O
to	O
attack	O
the	O
defending	O
army	O
which	O
has	O
retreated	O
inside	O
the	O
province	O
's	O
castle	O
.	O
</s>
<s>
Medieval	B-Application
:	I-Application
Total	I-Application
War	I-Application
features	O
a	O
multiplayer	O
game	O
mode	O
similar	O
to	O
that	O
in	O
Shogun	B-Application
:	I-Application
Total	I-Application
War	I-Application
,	O
where	O
players	O
can	O
engage	O
in	O
real-time	B-Application
battles	O
with	O
up	O
to	O
seven	O
other	O
players	O
.	O
</s>
<s>
Medieval	B-Application
:	I-Application
Total	I-Application
War	I-Application
was	O
originally	O
announced	O
by	O
The	O
Creative	O
Assembly	O
on	O
3	O
August	O
2001	O
,	O
with	O
the	O
working	O
title	O
of	O
Crusader	O
:	O
Total	O
War	O
.	O
</s>
<s>
Development	O
of	O
the	O
game	O
started	O
shortly	O
after	O
the	O
release	O
of	O
Shogun	B-Application
:	I-Application
Total	I-Application
War	I-Application
.	O
</s>
<s>
Early	O
in	O
development	O
it	O
was	O
decided	O
to	O
change	O
the	O
name	O
to	O
Medieval	B-Application
:	I-Application
Total	I-Application
War	I-Application
;	O
this	O
was	O
to	O
have	O
a	O
name	O
that	O
better	O
reflected	O
the	O
scope	O
of	O
the	O
game	O
.	O
</s>
<s>
Media	O
releases	O
over	O
the	O
subsequent	O
months	O
gave	O
screenshots	O
of	O
the	O
game	O
,	O
with	O
more	O
information	O
on	O
Medieval	B-Application
:	I-Application
Total	I-Application
War	I-Application
's	O
features	O
.	O
</s>
<s>
The	O
game	O
uses	O
an	O
updated	O
version	O
of	O
the	O
game	O
engine	O
used	O
in	O
Shogun	B-Application
:	I-Application
Total	I-Application
War	I-Application
,	O
allowing	O
larger	O
battles	O
than	O
previously	O
possible	O
with	O
an	O
increased	O
troop	O
limit	O
of	O
ten	O
thousand	O
.	O
</s>
<s>
Other	O
new	O
battlefield	O
enhancements	O
included	O
terrain	O
detailed	O
with	O
villages	O
and	O
vegetation	O
and	O
improved	O
castle	O
siege	B-Application
mechanics	O
,	O
with	O
players	O
now	O
having	O
to	O
focus	O
on	O
destroying	O
the	O
walls	O
before	O
assaulting	O
and	O
capturing	O
the	O
castle	O
.	O
</s>
<s>
The	O
game	O
features	O
improved	O
artificial	B-Application
intelligence	I-Application
from	O
Shogun	B-Application
:	I-Application
Total	I-Application
War	I-Application
,	O
with	O
the	O
individual	O
unit	O
AI	O
and	O
the	O
tactical	O
AI	O
—	O
which	O
controls	O
the	O
overall	O
army	O
tactics	O
—	O
separated	O
to	O
more	O
effectively	O
control	O
the	O
opposing	O
forces	O
.	O
</s>
<s>
The	O
focus	O
on	O
the	O
medieval	O
period	O
was	O
chosen	O
because	O
"	O
it	O
was	O
perfectly	O
suited	O
to	O
the	O
direction	O
in	O
which	O
we	O
wanted	O
to	O
take	O
the	O
gameplay	O
....	O
we	O
wanted	O
to	O
have	O
great	O
castles	O
and	O
spectacular	O
sieges.	O
"	O
</s>
<s>
Designer	O
Mike	O
Brunton	O
wrote	O
before	O
the	O
game	O
's	O
release	O
that	O
sieges	B-Application
were	O
one	O
of	O
the	O
most	O
important	O
features	O
to	O
be	O
added	O
to	O
the	O
Total	O
War	O
series	O
,	O
explaining	O
how	O
it	O
led	O
to	O
increasing	O
the	O
troop	O
limit	O
from	O
twenty	O
in	O
Shogun	B-Application
:	I-Application
Total	I-Application
War	I-Application
to	O
over	O
a	O
hundred	O
in	O
Medieval	B-Application
:	I-Application
Total	I-Application
War	I-Application
.	O
</s>
<s>
The	O
Creative	O
Assembly	O
released	O
a	O
patch	O
on	O
5	O
November	O
2002	O
,	O
which	O
was	O
targeted	O
to	O
fix	O
the	O
several	O
bugs	B-Error_Name
that	O
were	O
still	O
present	O
in	O
the	O
game	O
.	O
</s>
<s>
Medieval	B-Application
:	I-Application
Total	I-Application
War	I-Application
received	O
"	O
favorable	O
"	O
reviews	O
according	O
to	O
the	O
review	B-Application
aggregation	I-Application
website	O
Metacritic	O
.	O
</s>
<s>
The	O
United	O
States	O
charts	O
saw	O
Medieval	B-Application
:	I-Application
Total	I-Application
War	I-Application
reach	O
fourth	O
in	O
its	O
second	O
week	O
after	O
release	O
,	O
behind	O
Warcraft	B-Application
III	I-Application
,	O
The	B-Application
Sims	I-Application
and	O
its	O
expansion	O
The	B-Application
Sims	I-Application
:	O
Vacation	O
.	O
</s>
<s>
It	O
sold	O
over	O
100,000	O
copies	O
in	O
the	O
region	O
by	O
August	O
2006	O
,	O
but	O
was	O
beaten	O
by	O
its	O
successor	O
Rome	B-Application
:	I-Application
Total	I-Application
Wars	I-Application
390,000	O
sales	O
there	O
.	O
</s>
<s>
The	O
battle	O
system	O
in	O
Medieval	B-Application
:	I-Application
Total	I-Application
War	I-Application
was	O
considered	O
by	O
many	O
reviewers	O
to	O
be	O
the	O
highlight	O
of	O
the	O
game	O
.	O
</s>
<s>
The	O
different	O
battlefields	O
and	O
their	O
environments	O
were	O
praised	O
by	O
IGN	O
,	O
with	O
ActionTrip	O
agreeing	O
that	O
"	O
Medieval	B-Application
:	I-Application
Total	I-Application
War	I-Application
looks	O
better	O
than	O
Shogun	O
"	O
,	O
adding	O
that	O
the	O
terrain	O
and	O
units	O
are	O
more	O
detailed	O
than	O
those	O
in	O
Shogun	B-Application
:	I-Application
Total	I-Application
War	I-Application
.	O
</s>
<s>
GameSpy	O
also	O
stated	O
the	O
"	O
chaotic	O
"	O
battles	O
were	O
appropriate	O
to	O
the	O
era	O
,	O
but	O
criticised	O
the	O
siege	B-Application
aspect	O
,	O
claiming	O
it	O
to	O
be	O
"	O
too	O
plain	O
and	O
underwhelming	O
"	O
,	O
with	O
a	O
lack	O
of	O
detail	O
compared	O
to	O
the	O
other	O
3D	O
elements	O
.	O
</s>
<s>
The	O
artificial	B-Application
intelligence	I-Application
for	O
Medieval	B-Application
:	I-Application
Total	I-Application
War	I-Application
was	O
thought	O
to	O
be	O
much	O
improved	O
over	O
its	O
predecessor	O
,	O
CGW	O
mentioning	O
the	O
AI	O
was	O
intelligent	O
enough	O
to	O
prevent	O
brute	O
force	O
alone	O
from	O
winning	O
fights	O
.	O
</s>
<s>
Medieval	B-Application
:	I-Application
Total	I-Application
War	I-Application
received	O
very	O
favourable	O
reviews	O
,	O
despite	O
a	O
few	O
criticisms	O
,	O
gaining	O
high	O
distinction	O
from	O
the	O
industry	O
.	O
</s>
<s>
Although	O
GameSpy	O
described	O
Medieval	B-Application
:	I-Application
Total	I-Application
War	I-Application
as	O
"hit[ting]	O
a	O
few	O
bumps	O
in	O
the	O
road	O
"	O
,	O
they	O
mentioned	O
the	O
game	O
has	O
enough	O
to	O
keep	O
players	O
interested	O
for	O
many	O
months	O
.	O
</s>
<s>
Eurogamer	O
was	O
enthusiastic	O
in	O
pronouncing	O
Medieval	B-Application
:	I-Application
Total	I-Application
War	I-Application
"	O
a	O
milestone	O
in	O
gaming	O
"	O
.	O
</s>
<s>
Medieval	B-Application
:	I-Application
Total	I-Application
War	I-Application
was	O
the	O
recipient	O
of	O
a	O
number	O
of	O
industry	O
awards	O
.	O
</s>
<s>
PC	O
Gamer	O
UK	O
named	O
it	O
the	O
top	O
game	O
of	O
2002	O
,	O
replacing	O
the	O
previous	O
entry	O
,	O
Valve	O
's	O
Half-Life	B-Application
.	O
</s>
<s>
The	O
Creative	O
Assembly	O
itself	O
was	O
also	O
awarded	O
the	O
European	O
Computer	O
Trade	O
Show	O
PC	O
Game	O
Developer	O
of	O
the	O
Year	O
award	O
,	O
for	O
the	O
production	O
of	O
Medieval	B-Application
:	I-Application
Total	I-Application
War	I-Application
.	O
</s>
<s>
It	O
was	O
nominated	O
for	O
PC	O
Gamer	O
USs	O
"	O
2002	O
Best	O
Turn-Based	O
Strategy	O
Game	O
"	O
and	O
Computer	O
Gaming	O
Worlds	O
"	O
Strategy	O
Game	O
of	O
the	O
Year	O
"	O
awards	O
,	O
which	O
ultimately	O
went	O
to	O
Combat	B-Application
Mission	I-Application
:	I-Application
Barbarossa	I-Application
to	I-Application
Berlin	I-Application
and	O
Freedom	B-Application
Force	I-Application
,	O
respectively	O
.	O
</s>
<s>
The	O
Creative	O
Assembly	O
announced	O
the	O
development	O
of	O
an	O
expansion	O
pack	O
,	O
Medieval	B-Application
:	I-Application
Total	I-Application
War	I-Application
–	O
Viking	B-Application
Invasion	O
,	O
on	O
7	O
January	O
2003	O
.	O
</s>
<s>
The	O
Viking	B-Application
Invasion	O
expansion	O
pack	O
adds	O
a	O
Viking	B-Application
campaign	O
taking	O
place	O
from	O
793	O
to	O
1066	O
,	O
set	O
upon	O
an	O
expanded	O
map	O
of	O
the	O
British	O
Isles	O
and	O
western	O
Scandinavia	O
.	O
</s>
<s>
The	O
campaign	O
replaces	O
the	O
original	O
factions	O
with	O
earlier	O
Anglo-Saxon	O
and	O
Celtic	O
kingdoms	O
such	O
as	O
Wessex	O
,	O
Mercia	O
,	O
Wales	O
and	O
Scotland	O
,	O
as	O
well	O
as	O
the	O
Vikings	B-Application
.	O
</s>
<s>
The	O
Viking	B-Application
faction	O
is	O
designed	O
to	O
raid	O
the	O
British	O
Isles	O
;	O
to	O
achieve	O
this	O
the	O
faction	O
has	O
access	O
to	O
faster	O
ships	O
and	O
gains	O
money	O
for	O
every	O
building	O
destroyed	O
upon	O
the	O
battle	O
map	O
.	O
</s>
<s>
The	O
Anglo-Saxon	O
and	O
Celtic	O
factions	O
have	O
the	O
goal	O
of	O
repelling	O
the	O
Vikings	B-Application
and	O
ultimately	O
controlling	O
the	O
British	O
Isles	O
.	O
</s>
<s>
Medieval	B-Application
:	I-Application
Total	I-Application
War	I-Application
:	O
Viking	B-Application
Invasion	O
brought	O
several	O
enhancements	O
that	O
were	O
also	O
added	O
to	O
the	O
original	O
campaign	O
:	O
flaming	O
ammunition	O
giving	O
the	O
player	O
an	O
option	O
to	O
set	O
alight	O
enemy	O
castles	O
,	O
and	O
a	O
pre-battle	O
deployment	O
screen	O
,	O
allowing	O
the	O
player	O
to	O
organise	O
their	O
forces	O
and	O
view	O
the	O
terrain	O
and	O
opposing	O
forces	O
before	O
the	O
battle	O
begins	O
.	O
</s>
<s>
In	O
addition	O
,	O
three	O
new	O
factions	O
were	O
added	O
to	O
the	O
main	O
Medieval	B-Application
:	I-Application
Total	I-Application
War	I-Application
campaign	O
,	O
along	O
with	O
ribauldequin	O
artillery	O
and	O
the	O
game	O
's	O
patch	O
.	O
</s>
<s>
Activision	O
,	O
the	O
game	O
's	O
publisher	O
,	O
produced	O
a	O
combination	O
of	O
Medieval	B-Application
:	I-Application
Total	I-Application
War	I-Application
and	O
Medieval	B-Application
:	I-Application
Total	I-Application
War	I-Application
:	O
Viking	B-Application
Invasion	O
,	O
called	O
the	O
Medieval	B-Application
:	I-Application
Total	I-Application
War	I-Application
Battle	I-Application
Collection	I-Application
,	O
released	O
on	O
7	O
January	O
2004	O
.	O
</s>
<s>
Medieval	B-Application
:	I-Application
Total	I-Application
War	I-Application
Battle	I-Application
Collection	I-Application
contained	O
both	O
games	O
,	O
patched	O
to	O
the	O
latest	O
version	O
,	O
and	O
their	O
manuals	O
.	O
</s>
<s>
The	O
edition	O
included	O
patched	O
versions	O
of	O
Shogun	B-Application
:	I-Application
Total	I-Application
War	I-Application
,	O
Medieval	B-Application
:	I-Application
Total	I-Application
War	I-Application
and	O
Rome	B-Application
:	I-Application
Total	I-Application
War	I-Application
,	O
together	O
with	O
their	O
expansion	O
packs	O
,	O
a	O
documentary	O
detailing	O
the	O
creation	O
of	O
the	O
game	O
series	O
,	O
and	O
Total	O
War	O
memorabilia	O
.	O
</s>
<s>
Viking	B-Application
Invasion	O
received	O
"	O
favorable	O
"	O
reviews	O
,	O
albeit	O
slightly	O
less	O
than	O
the	O
original	O
Medieval	B-Application
:	I-Application
Total	I-Application
War	I-Application
,	O
according	O
to	O
Metacritic	O
.	O
</s>
<s>
Reviewers	O
felt	O
the	O
new	O
gameplay	O
features	O
for	O
the	O
Vikings	B-Application
were	O
the	O
most	O
important	O
enhancement	O
of	O
the	O
expansion	O
pack	O
,	O
with	O
Eurogamer	O
commending	O
the	O
Vikings	B-Application
 '	O
raiding	O
system	O
as	O
something	O
that	O
fixes	O
what	O
"	O
the	O
original	O
Medieval	O
lacked	O
"	O
.	O
</s>
<s>
ActionTrip	O
praised	O
the	O
new	O
campaign	O
as	O
being	O
a	O
challenge	O
for	O
players	O
:	O
"	O
even	O
on	O
the	O
normal	O
difficulty	O
setting	O
,	O
Viking	B-Application
Invasion	O
is	O
a	O
very	O
challenging	O
game	O
"	O
,	O
a	O
view	O
shared	O
by	O
other	O
critics	O
.	O
</s>
<s>
GameSpot	O
also	O
praised	O
the	O
new	O
additions	O
to	O
the	O
original	O
campaign	O
,	O
mentioning	O
they	O
have	O
"	O
made	O
castle	O
sieges	B-Application
more	O
interesting	O
"	O
.	O
</s>
<s>
The	O
main	O
criticism	O
for	O
Medieval	B-Application
:	I-Application
Total	I-Application
War	I-Application
–	O
Viking	B-Application
Invasion	O
was	O
the	O
graphics	O
,	O
with	O
both	O
ActionTrip	O
and	O
Eurogamer	O
stating	O
that	O
they	O
were	O
"	O
starting	O
to	O
feel	O
a	O
little	O
bit	O
creaky	O
"	O
.	O
</s>
<s>
IGN	O
concluded	O
by	O
saying	O
fans	O
"	O
wo	O
n't	O
be	O
disappointed	O
with	O
the	O
Viking	B-Application
Invasion	O
"	O
,	O
while	O
Actiontrip	O
finished	O
stating	O
;	O
"	O
the	O
graphics	O
are	O
beginning	O
to	O
look	O
old	O
"	O
but	O
the	O
challenge	O
made	O
the	O
expansion	O
"	O
worth	O
it	O
"	O
.	O
</s>
<s>
The	O
review	O
by	O
GameSpot	O
finished	O
by	O
saying	O
"	O
overall	O
,	O
the	O
expansion	O
is	O
a	O
great	O
addition	O
to	O
Medieval	O
"	O
,	O
and	O
Eurogamer	O
concluded	O
with	O
praising	O
the	O
addition	O
it	O
made	O
to	O
Medieval	B-Application
:	I-Application
Total	I-Application
War	I-Application
:	O
"	O
It	O
's	O
a	O
worthy	O
expansion	O
pack	O
to	O
a	O
truly	O
excellent	O
game	O
"	O
.	O
</s>
<s>
The	O
editors	O
of	O
Computer	O
Gaming	O
World	O
nominated	O
Viking	B-Application
Invasion	O
for	O
their	O
2003	O
"	O
Expansion	O
Pack	O
of	O
the	O
Year	O
"	O
award	O
,	O
but	O
it	O
lost	O
to	O
Battlefield	B-Application
1942	I-Application
:	I-Application
Secret	I-Application
Weapons	I-Application
of	I-Application
WWII	I-Application
.	O
</s>
<s>
It	O
was	O
also	O
a	O
runner-up	O
for	O
Computer	O
Games	O
Magazines	O
"	O
Expansion	O
of	O
the	O
Year	O
"	O
award	O
,	O
which	O
ultimately	O
went	O
to	O
EverQuest	B-Operating_System
:	I-Operating_System
Lost	I-Operating_System
Dungeons	I-Operating_System
of	I-Operating_System
Norrath	I-Operating_System
.	O
</s>
