<s>
iPodLinux	B-General_Concept
is	O
a	O
µClinux-based	O
Linux	B-Application
distribution	I-Application
designed	O
specifically	O
to	O
run	O
on	O
Apple	O
Inc.	O
'	O
s	O
iPod	B-Device
.	O
</s>
<s>
When	O
the	O
iPodLinux	B-General_Concept
kernel	B-Operating_System
is	O
booted	B-Operating_System
it	O
takes	O
the	O
place	O
of	O
Apple	O
's	O
iPod	B-Device
operating	O
system	O
and	O
automatically	O
loads	O
Podzilla	B-General_Concept
,	O
an	O
alternative	O
GUI	B-Application
and	O
launcher	O
for	O
a	O
number	O
of	O
additional	O
included	O
programs	B-Application
such	O
as	O
a	O
video	O
player	O
,	O
an	O
image	B-Application
viewer	I-Application
,	O
a	O
command	B-Application
line	I-Application
shell	I-Application
,	O
games	O
,	O
emulators	B-Application
for	O
video	B-Device
game	I-Device
consoles	I-Device
,	O
programming	B-General_Concept
demos	O
,	O
and	O
other	O
experimental	O
or	O
occasionally	O
unfinished	O
software	B-Application
.	I-Application
</s>
<s>
Further	O
development	O
of	O
free	B-Application
and	I-Application
open	I-Application
source	I-Application
software	I-Application
for	O
iPods	B-Device
have	O
continued	O
with	O
the	O
Rockbox	B-Application
Project	I-Application
,	O
zeroslackr	O
,	O
and	O
freemyipod	O
,	O
which	O
have	O
largely	O
supplanted	O
iPodLinux	B-General_Concept
.	O
</s>
<s>
iPodLinux	B-General_Concept
in	O
essence	O
consists	O
of	O
a	O
Linux	B-Operating_System
kernel	I-Operating_System
built	O
from	O
µClinux	O
sources	O
using	O
the	O
uClibc	B-Language
C	B-Language
standard	I-Language
library	I-Language
with	O
driver	B-Application
code	O
for	O
iPod	B-Device
components	O
(	O
or	O
reverse	O
engineered	O
drivers	O
where	O
available	O
)	O
.	O
</s>
<s>
It	O
includes	O
userland	O
programs	B-Application
from	O
µClinux	O
and/or	O
BusyBox	B-Application
,	O
a	O
UNIX-style	B-Operating_System
file	B-Application
system	I-Application
(	O
which	O
can	O
be	O
created	O
within	O
HFS+	B-Application
formatted	O
iPods	B-Device
,	O
or	O
an	O
ext2	B-Application
partition	O
on	O
FAT32	B-Application
formatted	O
iPod	B-Device
)	O
,	O
and	O
the	O
Podzilla	B-General_Concept
GUI	B-Application
(	O
and	O
its	O
modules	O
)	O
.	O
</s>
<s>
Apple	O
's	O
proprietary	B-Application
iPod	B-Device
OS	O
in	O
contrast	O
uses	O
an	O
invisible	O
boot	B-Operating_System
loader	O
and	O
is	O
based	O
on	O
an	O
ARM	B-Architecture
processor	I-Architecture
kernel	B-Operating_System
originally	O
written	O
by	O
Pixo	O
,	O
and	O
the	B-Device
iPod	I-Device
Miller	O
Columns	O
browser	O
program	O
,	O
a	O
GUI	B-Application
written	O
by	O
Apple	O
and	O
Pixo	O
using	O
the	O
Pixo	O
application	B-Application
framework	I-Application
,	O
and	O
other	O
firmware	B-Application
and	O
component	O
drivers	O
written	O
from	O
manufacturer	O
's	O
reference	O
code	O
to	O
support	O
the	O
standard	O
behavior	O
Apple	O
wanted	O
the	B-Device
iPod	I-Device
to	O
have	O
.	O
</s>
<s>
Besides	O
the	O
kernel	B-Operating_System
,	O
iPodLinux	B-General_Concept
features	O
as	O
a	O
primary	O
component	O
podzilla	B-General_Concept
and	O
podzilla2	B-General_Concept
,	O
applications	O
which	O
provide	O
:	O
</s>
<s>
Support	O
for	O
AAC	B-Application
,	O
MP3	B-Application
and	O
basic	O
OGG	O
playback	O
(	O
4G	O
&	O
5G	O
Music	B-Language
Player	I-Language
Daemon	I-Language
malfunctions	O
,	O
but	O
can	O
be	O
fixed	O
)	O
.	O
</s>
<s>
Many	O
games	O
,	O
including	O
TuxChess	O
,	O
Bluecube	O
(	O
Tetris	B-Device
clone	I-Device
)	O
,	O
Chopper	O
,	O
StepMania	B-Language
(	O
a	O
Dance	B-Application
Dance	I-Application
Revolution	I-Application
clone	O
)	O
and	O
more	O
.	O
</s>
<s>
Ability	O
to	O
run	O
many	O
emulators	B-Application
,	O
such	O
as	O
iBoy	O
(	O
Nintendo	B-Device
Game	I-Device
Boy	I-Device
Emulator	B-Application
)	O
,	O
iNES	O
(	O
Nintendo	O
Entertainment	O
System	O
Emulator	B-Application
)	O
,	O
iDarcNES	O
(	O
port	O
of	O
the	O
multiple	O
system	O
emulator	B-Application
DarcNES	O
)	O
,	O
iMAME	O
(	O
port	O
of	O
Multiple	B-Device
Arcade	I-Device
Machine	I-Device
Emulator	I-Device
)	O
,	O
and	O
iGPSP	O
(	O
Game	B-Device
Boy	I-Device
Advance	I-Device
emulator	B-Application
)	O
.	O
</s>
<s>
The	O
bootloader	O
for	O
the	O
4th	O
generation	O
iPod	B-Device
was	O
extracted	O
by	O
Nils	O
Schneider	O
,	O
a	O
German	O
computer	B-General_Concept
science	I-General_Concept
student	O
.	O
</s>
<s>
Previous	O
software	B-Application
methods	O
to	O
extract	O
the	O
necessary	O
bootloader	O
no	O
longer	O
worked	O
.	O
</s>
<s>
Bernard	O
Leach	O
had	O
previously	O
discovered	O
how	O
to	O
operate	O
the	O
piezo	O
buzzer	O
inside	O
the	B-Device
iPod	I-Device
.	O
</s>
<s>
Schneider	O
was	O
able	O
to	O
use	O
his	O
program	O
with	O
some	O
modifications	O
to	O
make	O
a	O
series	O
of	O
clicks	O
for	O
each	O
byte	O
of	O
the	O
new	O
iPod	B-Device
's	O
bootloader	O
.	O
</s>
<s>
On	O
October	O
1	O
,	O
2008	O
the	O
iPodLinux.org	O
DNS	O
address	O
was	O
updated	O
and	O
the	O
server	O
was	O
online	O
again	O
by	O
October	O
5	O
,	O
2008	O
.	O
</s>
<s>
Alexander	O
Papst	O
,	O
one	O
of	O
the	O
developers	O
,	O
has	O
posted	O
a	O
mirror	O
of	O
the	O
site	O
at	O
ipodlinux.wiki	O
.	O
</s>
<s>
According	O
to	O
the	O
iPodLinux	B-General_Concept
wiki	O
,	O
"	O
developers	O
have	O
succeeded	O
in	O
getting	O
[	O
the	O
following	O
features ]	O
to	O
work	O
-	O
it	O
does	O
not	O
imply	O
that	O
the	O
feature	O
is	O
ready	O
for	O
widespread	O
use.	O
"	O
</s>
<s>
+	O
iPodLinux	B-General_Concept
compatibility	O
chart	O
Generation	O
Datexxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx1	O
Hard	B-Device
drive	I-Device
Piezo	O
Audio	O
playback	O
Audio	O
recording	O
FireWire	B-Protocol
USB	B-Protocol
Power	O
management	O
Video	O
out	O
1G	O
2G	O
3G	O
Neither	O
USB	B-Protocol
nor	O
FireWire	B-Protocol
communication	O
drivers	O
exist	O
yet	O
for	O
these	O
models	O
.	O
</s>
<s>
Instead	O
when	O
a	O
USB	B-Protocol
device	I-Protocol
is	O
plugged	O
in	O
,	O
the	B-Device
iPod	I-Device
prompts	O
the	O
user	O
to	O
restart	O
the	B-Device
iPod	I-Device
into	O
disk	O
mode	O
.	O
</s>
<s>
<ref group="note" name="ref4">A basic battery meter and deep sleep functions are available.</li></ref>  4G            <ref group="note" name="ref2">Currently podzilla accesses the piezo directly- there is no kernel driver.</li></ref>   <ref group="note" name="ref3">Only  recording via microphone works on these models, no line in.</li></ref>	O
Photo/Color	O
5G	O
5.5G	O
Classic	O
iPod	B-Device
Touch	I-Device
and	O
iPhone	B-Device
<	O
ref	O
group	O
=	O
"	O
note	O
"	O
>Will	O
probably	O
not	O
be	O
supported	O
.	O
</s>
<s>
As	O
of	O
August	O
5	O
,	O
2006	O
,	O
only	O
the	O
1st	O
,	O
2nd	O
,	O
and	O
3rd	O
generation	O
iPod	B-Device
are	O
officially	O
supported	O
by	O
iPodLinux	B-General_Concept
,	O
although	O
newer	O
generations	O
are	O
also	O
partially	O
compatible	O
.	O
</s>
<s>
The	O
iPodLinux	B-General_Concept
project	O
does	O
not	O
plan	O
support	O
for	O
the	B-Device
iPod	I-Device
shuffle	O
due	O
to	O
the	O
lack	O
of	O
a	O
GCC	B-Application
compiler	I-Application
for	O
the	O
shuffle	O
's	O
DSP57000	O
core	O
,	O
as	O
well	O
as	O
the	O
fact	O
that	O
the	B-Device
iPod	I-Device
shuffle	O
lacks	O
a	O
screen	O
.	O
</s>
<s>
While	O
later	O
generations	O
work	O
fine	O
for	O
many	O
uses	O
of	O
iPodLinux	B-General_Concept
,	O
not	O
all	O
features	O
work	O
;	O
these	O
later	O
generations	O
will	O
not	O
be	O
officially	O
supported	O
by	O
the	O
project	O
until	O
most	O
or	O
all	O
features	O
from	O
the	O
earlier	O
iPods	B-Device
work	O
on	O
them	O
.	O
</s>
<s>
As	O
of	O
now	O
,	O
there	O
is	O
Installer	O
2.3	O
for	O
Microsoft	B-Application
Windows	I-Application
or	O
Linux	B-Application
which	O
can	O
install	O
on	O
any	O
generation	O
iPod	B-Device
(	O
except	O
for	O
the	B-Device
iPod	I-Device
shuffle	O
and	O
iPod	B-Device
nano	I-Device
2nd	O
generation	O
)	O
.	O
</s>
<s>
As	O
of	O
April	O
,	O
2008	O
,	O
iPodLinux	B-General_Concept
does	O
not	O
work	O
on	O
the	O
new	O
iPod	B-Device
firmware	B-Application
included	O
with	O
the	O
second	O
and	O
third	O
generation	O
iPod	B-Device
nano	I-Device
or	O
the	O
6th	O
generation	O
iPod	B-Device
Classic	O
,	O
and	O
installer	O
2	O
cannot	O
be	O
used	O
to	O
install	O
iPodLinux	B-General_Concept
on	O
5.5th	O
generation	O
iPod	B-Device
.	O
</s>
<s>
In	O
addition	O
to	O
that	O
,	O
the	O
much	O
spoken	O
about	O
audio	O
recording	O
feature	O
currently	O
does	O
not	O
work	O
on	O
the	O
latest	O
ipodlinux/zeroslackr	O
builds	O
.	O
</s>
<s>
In	O
ipodlinux	B-General_Concept
,	O
an	O
under	O
development	O
message	O
is	O
given	O
under	O
recording	O
,	O
while	O
in	O
zeroslackr	O
,	O
recording	O
is	O
not	O
displayed	O
at	O
all	O
.	O
</s>
<s>
Arguably	O
one	O
of	O
the	O
project	O
's	O
more	O
notable	O
accomplishments	O
is	O
its	O
video	O
player	O
,	O
released	O
months	O
before	O
rumors	O
about	O
Apple	O
's	O
Video	O
iPod	B-Device
began	O
to	O
spread	O
.	O
</s>
<s>
A	O
new	O
compression	O
technique	O
called	O
MoviePod	O
,	O
released	O
in	O
2006	O
,	O
enables	O
people	O
to	O
put	O
more	O
video	O
content	O
on	O
their	O
iPod	B-Device
.	O
</s>
<s>
This	O
function	O
continues	O
to	O
be	O
developed	O
and	O
is	O
a	O
useful	O
function	O
for	O
users	O
of	O
older	O
iPod	B-Device
(	O
especially	O
nano	O
users	O
that	O
,	O
with	O
the	O
help	O
of	O
iPodLinux	B-General_Concept
,	O
can	O
get	O
an	O
extremely	O
small	O
media	O
center	O
that	O
can	O
be	O
held	O
in	O
the	O
palm	O
of	O
the	O
hand	O
)	O
.	O
</s>
<s>
podzilla	B-General_Concept
2	O
,	O
the	O
second	O
generation	O
of	O
podzilla	B-General_Concept
,	O
and	O
commonly	O
known	O
as	O
pz2	O
,	O
has	O
superseded	O
the	O
original	O
version	O
of	O
podzilla	B-General_Concept
.	O
</s>
<s>
It	O
included	O
several	O
new	O
features	O
,	O
most	O
notably	O
modularity	O
;	O
users	O
can	O
install	O
new	O
applications	O
without	O
recompiling	O
all	O
of	O
podzilla	B-General_Concept
.	O
</s>
<s>
This	O
version	O
is	O
the	O
only	O
working	O
set	O
of	O
Podzilla	B-General_Concept
official	O
that	O
will	O
run	O
on	O
5.5G	O
iPods	B-Device
.	O
</s>
