<s>
gtkpod	B-Language
provides	O
a	O
graphical	B-Application
user	I-Application
interface	I-Application
that	O
enables	O
users	O
of	O
Linux	B-Application
and	O
other	O
Unix	B-Application
operating	I-Application
systems	I-Application
to	O
transfer	O
audio	O
files	O
onto	O
their	O
iPod	B-Operating_System
Classic	I-Operating_System
,	O
iPod	B-Device
Nano	I-Device
,	O
iPod	B-Application
Shuffle	I-Application
,	O
iPod	B-Device
Photo	O
,	O
or	O
iPod	B-Operating_System
Mini	I-Operating_System
music	O
players	O
.	O
</s>
<s>
Although	O
it	O
does	O
not	O
support	O
some	O
of	O
the	O
more	O
advanced	O
features	O
of	O
iTunes	B-Operating_System
,	O
gtkpod	B-Language
still	O
performs	O
the	O
role	O
of	O
an	O
iPod	B-Device
manager	O
for	O
Linux	B-Application
.	O
</s>
<s>
Album	O
art	O
and	O
videos	O
are	O
now	O
supported	O
,	O
and	O
preliminary	O
support	O
for	O
jailbroken	O
iPhones	B-Device
and	O
iPod	B-Device
Touches	I-Device
is	O
available	O
.	O
</s>
<s>
Most	O
digital	O
audio	O
players	O
permit	O
the	O
user	O
to	O
browse	O
and	O
access	O
their	O
content	O
via	O
an	O
interface	O
closely	O
related	O
to	O
the	O
underlying	O
file	B-Application
system	I-Application
.	O
</s>
<s>
iPods	B-Device
,	O
on	O
the	O
other	O
hand	O
,	O
employ	O
a	O
proprietary	B-Application
database	O
file	O
for	O
managing	O
all	O
the	O
metadata	O
associated	O
with	O
their	O
content	O
.	O
</s>
<s>
Because	O
of	O
this	O
,	O
an	O
iPod	B-Device
cannot	O
recognize	O
files	O
that	O
have	O
been	O
copied	O
directly	O
into	O
the	O
low-level	O
file	B-Application
system	I-Application
unless	O
its	O
music	O
database	O
has	O
been	O
appropriately	O
modified	O
.	O
</s>
<s>
This	O
task	O
is	O
usually	O
performed	O
by	O
iTunes	B-Operating_System
,	O
but	O
since	O
Apple	O
has	O
only	O
released	O
versions	O
for	O
Mac	B-Operating_System
OS	I-Operating_System
X	I-Operating_System
and	O
Windows	B-Application
,	O
gtkpod	B-Language
provides	O
the	O
needed	O
support	O
for	O
other	O
operating	B-General_Concept
systems	I-General_Concept
.	O
</s>
<s>
Starting	O
with	O
version	O
0.93	O
,	O
the	O
code	O
that	O
handles	O
the	B-Device
iPod	I-Device
access	O
has	O
been	O
separated	O
as	O
libgpod	O
,	O
a	O
shared	O
library	B-Library
that	O
allows	O
other	O
projects	O
to	O
provide	O
iPod	B-Device
support	O
as	O
well	O
.	O
</s>
<s>
It	O
is	O
currently	O
used	O
by	O
popular	O
players	O
such	O
as	O
Rhythmbox	B-Language
and	O
Amarok	B-Language
.	O
</s>
