<s>
The	O
Motorola	B-Device
A780	I-Device
is	O
the	O
second	O
cellular	O
PDA	B-Application
running	O
the	O
Linux	B-Application
operating	I-Application
system	I-Application
.	O
</s>
<s>
The	O
Motorola	B-Device
A780	I-Device
is	O
a	O
Linux-based	O
smartphone	O
.	O
</s>
<s>
When	O
the	O
lid	O
is	O
flipped	O
open	O
,	O
a	O
QVGA	O
touch	O
screen	O
is	O
revealed	O
that	O
can	O
be	O
used	O
with	O
fingers	O
or	O
a	O
supplied	O
stylus	B-Device
.	O
</s>
<s>
The	O
phone	O
is	O
supplied	O
with	O
a	O
number	O
of	O
applications	O
including	O
a	O
POP	B-Protocol
and	O
IMAP	B-Protocol
email	O
client	O
,	O
Opera	O
web	O
browser	O
,	O
calendar	O
and	O
a	O
viewer	O
for	O
PDF	O
and	O
Microsoft	O
Office	O
files	O
.	O
</s>
<s>
Calendar	O
and	O
address	O
book	O
can	O
be	O
synchronized	O
with	O
a	O
Microsoft	B-Operating_System
Exchange	I-Operating_System
or	O
SyncML	B-General_Concept
server	O
.	O
</s>
<s>
RealPlayer	B-Application
is	O
included	O
to	O
play	O
sound	O
audio	O
files	O
and	O
streamed	O
audio	O
and	O
video	O
.	O
</s>
<s>
Both	O
Bluetooth	B-Protocol
and	O
USB	O
are	O
provided	O
for	O
communication	O
with	O
another	O
computer	O
.	O
</s>
<s>
The	O
necessary	O
digital	O
signal	O
processing	O
is	O
performed	O
by	O
an	O
Onyx	O
(	O
566xx	O
)	O
DSP	B-Architecture
core	O
.	O
</s>
<s>
This	O
runs	O
Linux	B-Application
,	O
the	O
user	O
interface	O
Qtopia	B-Language
and	O
the	O
application	O
programs	O
.	O
</s>
<s>
This	O
phone	O
is	O
popular	O
with	O
Linux	B-Application
enthusiasts	O
.	O
</s>
<s>
It	O
is	O
able	O
to	O
establish	O
a	O
TCP/IP	O
connection	O
between	O
the	O
phone	O
and	O
another	O
computer	O
over	O
USB	O
or	O
Bluetooth	B-Protocol
.	O
</s>
<s>
One	O
can	O
then	O
telnet	B-Protocol
to	O
the	O
phone	O
and	O
be	O
presented	O
with	O
a	O
bash	B-Operating_System
prompt	O
.	O
</s>
<s>
The	O
underlying	O
operating	O
system	O
,	O
Motorola	O
EZX	O
is	O
Linux	B-Application
based	O
,	O
its	O
kernel	O
is	O
open	O
source	O
.	O
</s>
<s>
Instead	O
,	O
they	O
are	O
expecting	O
third	O
party	O
programs	O
to	O
be	O
written	O
in	O
Java	B-Language
ME	I-Language
.	O
</s>
<s>
The	O
OpenEZX	B-Application
website	O
is	O
dedicated	O
to	O
providing	O
free	O
opensource	O
software	O
for	O
this	O
phone	O
and	O
others	O
using	O
the	O
same	O
OS	O
.	O
</s>
