<s>
Mac	B-Operating_System
OS	I-Operating_System
X	I-Operating_System
Panther	I-Operating_System
(	O
version	O
10.3	B-Operating_System
)	O
is	O
the	O
fourth	O
major	O
release	O
of	O
macOS	B-Application
,	O
Apple	O
's	O
desktop	O
and	O
server	O
operating	B-General_Concept
system	I-General_Concept
.	O
</s>
<s>
It	O
followed	O
Mac	B-Operating_System
OS	I-Operating_System
X	I-Operating_System
Jaguar	I-Operating_System
and	O
preceded	O
Mac	B-Application
OS	I-Application
X	I-Application
Tiger	I-Application
.	O
</s>
<s>
Panther	B-Operating_System
's	O
system	O
requirements	O
are	O
:	O
</s>
<s>
Video	B-Application
conferencing	I-Application
requires	O
:	O
</s>
<s>
Since	O
a	O
New	B-Device
World	I-Device
ROM	I-Device
was	O
required	O
for	O
Mac	B-Operating_System
OS	I-Operating_System
X	I-Operating_System
Panther	I-Operating_System
,	O
certain	O
older	O
computers	O
(	O
such	O
as	O
beige	B-Device
Power	I-Device
Mac	I-Device
G3s	I-Device
and	O
'	O
Wall	O
Street	O
 '	O
PowerBook	O
G3s	O
)	O
were	O
unable	O
to	O
run	O
Panther	B-Operating_System
by	O
default	O
.	O
</s>
<s>
Third-party	O
software	O
(	O
such	O
as	O
XPostFacto	B-Application
)	O
can	O
,	O
however	O
,	O
override	O
checks	O
made	O
during	O
the	O
install	O
process	O
;	O
otherwise	O
,	O
installation	O
or	O
upgrades	O
from	O
Jaguar	B-Operating_System
fails	O
on	O
these	O
older	O
machines	O
.	O
</s>
<s>
Panther	B-Operating_System
still	O
fully	O
supported	O
the	O
Classic	O
environment	O
for	O
running	O
older	O
Mac	B-Application
OS	I-Application
9	O
applications	O
,	O
but	O
made	O
Classic	O
application	O
windows	O
double-buffered	O
,	O
interfering	O
with	O
some	O
applications	O
written	O
to	O
draw	O
directly	O
to	O
screen	O
.	O
</s>
<s>
Apple	O
advertised	O
that	O
Mac	B-Operating_System
OS	I-Operating_System
X	I-Operating_System
Panther	I-Operating_System
had	O
over	O
150	O
new	O
features	O
,	O
including	O
:	O
</s>
<s>
Finder	B-Application
:	O
Updated	O
with	O
a	O
brushed-metal	O
interface	O
,	O
a	O
new	O
live	O
search	O
engine	O
,	O
customizable	O
Sidebar	O
,	O
secure	O
deletion	O
,	O
colored	O
labels	O
(	O
resurrected	O
from	O
classic	B-Application
Mac	I-Application
OS	I-Application
)	O
in	O
the	O
filesystem	O
and	O
Zip	B-General_Concept
support	O
built	O
in	O
.	O
</s>
<s>
The	O
Finder	B-Application
icon	O
was	O
also	O
changed	O
.	O
</s>
<s>
TextEdit	B-Application
:	O
TextEdit	B-Application
now	O
is	O
also	O
compatible	O
with	O
Microsoft	B-Application
Word	I-Application
(	O
.doc	O
)	O
documents	O
.	O
</s>
<s>
Xcode	B-Operating_System
developer	O
tools	O
:	O
Faster	O
compile	B-Language
times	O
with	O
gcc	B-Application
3.3	O
.	O
</s>
<s>
Preview	B-Language
:	O
Increased	O
speed	O
of	O
PDF	B-Application
rendering	O
.	O
</s>
<s>
QuickTime	B-Application
:	O
Now	O
supports	O
the	O
Pixlet	B-Algorithm
high-definition	O
video	B-Application
codec	I-Application
.	O
</s>
<s>
Font	B-Operating_System
Book	I-Operating_System
:	O
A	O
font	O
manager	O
which	O
simplifies	O
viewing	O
character	O
maps	O
,	O
and	O
adding	O
new	O
fonts	O
that	O
can	O
be	O
used	O
systemwide	O
.	O
</s>
<s>
FileVault	O
:	O
On-the-fly	O
encryption	O
and	O
decryption	O
of	O
a	O
user	O
's	O
home	B-Application
folder	I-Application
.	O
</s>
<s>
iChat	B-Protocol
AV	I-Protocol
:	O
The	O
new	O
version	O
of	O
iChat	B-Protocol
.	O
</s>
<s>
Now	O
with	O
built-in	O
audio	O
-	O
and	O
video	B-Application
conferencing	I-Application
.	O
</s>
<s>
X11	B-Operating_System
:	O
Compatibility	O
for	O
applications	O
based	O
on	O
the	O
X	B-Operating_System
Window	I-Operating_System
System	I-Operating_System
,	O
commonly	O
used	O
for	O
UNIX	O
applications	O
,	O
is	O
available	O
through	O
an	O
optional	O
install	O
,	O
found	O
in	O
the	O
install	O
disk	O
.	O
</s>
<s>
Mac	B-Operating_System
OS	I-Operating_System
X	I-Operating_System
Panther	I-Operating_System
is	O
the	O
first	O
macOS	B-Application
version	O
to	O
officially	O
support	O
X11	B-Operating_System
.	O
</s>
<s>
It	O
utilizes	O
Quartz	B-Operating_System
to	O
provide	O
hardware	O
accelerated	O
graphics	O
and	O
is	O
based	O
on	O
the	O
XFree86	B-Device
implementation	O
of	O
X	B-Operating_System
Window	I-Operating_System
System	I-Operating_System
.	O
</s>
<s>
Safari	B-Application
:	O
A	O
new	O
web	B-Application
browser	I-Application
that	O
was	O
developed	O
to	O
replace	O
Internet	B-Protocol
Explorer	I-Protocol
for	I-Protocol
Mac	I-Protocol
when	O
the	O
contract	O
between	O
Apple	O
and	O
Microsoft	O
ended	O
,	O
although	O
Internet	B-Protocol
Explorer	I-Protocol
for	I-Protocol
Mac	I-Protocol
was	O
still	O
available	O
.	O
</s>
<s>
Safari	B-Application
1.0	O
was	O
included	O
in	O
an	O
update	O
in	O
Jaguar	B-Operating_System
but	O
was	O
used	O
as	O
the	O
default	O
browser	B-Application
in	O
Panther	B-Operating_System
.	O
</s>
<s>
Microsoft	B-Application
Windows	I-Application
interoperability	O
improvements	O
,	O
including	O
out-of-the-box	O
support	O
for	O
Active	B-Protocol
Directory	I-Protocol
and	O
SecurID-based	O
VPNs	B-Application
.	O
</s>
<s>
To	O
receive	O
faxes	O
,	O
users	O
must	O
pre-configure	O
in	O
System	B-Operating_System
Preferences	I-Operating_System
on	O
how	O
the	O
system	O
should	O
handle	O
an	O
incoming	O
fax	O
,	O
with	O
options	O
including	O
selecting	O
a	O
folder	O
to	O
save	O
the	O
incoming	O
faxes	O
,	O
to	O
automatically	O
email	O
to	O
an	O
address	O
or	O
to	O
print	O
via	O
a	O
selected	O
printer	O
,	O
upon	O
receiving	O
of	O
the	O
fax	O
.	O
</s>
<s>
Secure	O
Empty	O
Trash	O
,	O
was	O
a	O
feature	O
added	O
in	O
Mac	B-Operating_System
OS	I-Operating_System
X	I-Operating_System
Panther	I-Operating_System
to	O
ensure	O
files	O
that	O
are	O
deleted	O
and	O
cannot	O
be	O
recovered	O
,	O
through	O
the	O
use	O
of	O
data	O
erasure	O
techniques	O
.	O
</s>
