<s>
The	O
Sharp	B-Operating_System
Zaurus	I-Operating_System
is	O
the	O
name	O
of	O
a	O
series	O
of	O
personal	B-Application
digital	I-Application
assistants	I-Application
(	O
PDAs	B-Application
)	O
made	O
by	O
Sharp	O
Corporation	O
.	O
</s>
<s>
The	O
Zaurus	B-Operating_System
was	O
the	O
most	O
popular	O
PDA	B-Application
during	O
the	O
1990s	O
in	O
Japan	O
and	O
was	O
based	O
on	O
a	O
proprietary	O
operating	B-General_Concept
system	I-General_Concept
.	O
</s>
<s>
The	O
first	O
Sharp	O
PDA	B-Application
to	O
use	O
the	O
Linux	B-Application
operating	I-Application
system	I-Application
was	O
the	O
SL-5000D	O
,	O
running	O
the	O
Qtopia-based	O
Embedix	O
Plus	O
.	O
</s>
<s>
The	O
Linux	B-Application
Documentation	O
Project	O
considers	O
the	O
Zaurus	B-Operating_System
series	O
to	O
be	O
"	O
true	O
Linux	B-Application
PDAs	B-Application
"	O
because	O
their	O
manufacturers	O
install	O
Linux-based	O
operating	B-General_Concept
systems	I-General_Concept
on	O
them	O
by	O
default	O
.	O
</s>
<s>
In	O
September	O
1993	O
,	O
Sharp	O
introduced	O
the	O
PI-3000	O
,	O
the	O
first	O
in	O
the	O
Zaurus	B-Operating_System
line	O
of	O
PDAs	B-Application
,	O
as	O
a	O
follow-on	O
to	O
Sharp	O
's	O
earlier	O
Wizard	B-Application
line	O
of	O
PDAs	B-Application
(	O
the	O
Wizard	B-Application
also	O
influenced	O
Apple	O
's	O
Newton	B-Device
)	O
.	O
</s>
<s>
Featuring	O
a	O
black	O
and	O
white	O
LCD	B-Device
screen	I-Device
,	O
handwriting	B-Application
recognition	I-Application
,	O
and	O
optical	O
communication	O
capabilities	O
among	O
its	O
features	O
,	O
the	O
Zaurus	B-Operating_System
soon	O
became	O
one	O
of	O
Sharp	O
's	O
best	O
selling	O
products	O
.	O
</s>
<s>
The	O
PI-4000	O
,	O
released	O
in	O
1994	O
,	O
expanded	O
the	O
Zaurus	B-Operating_System
 '	O
features	O
with	O
a	O
built-in	O
modem	B-Application
and	O
facsimile	O
functions	O
.	O
</s>
<s>
The	O
Zaurus	B-Operating_System
K-PDA	O
was	O
the	O
first	O
Zaurus	B-Operating_System
to	O
have	O
a	O
built-in	O
keyboard	O
in	O
addition	O
to	O
handwriting	B-Application
recognition	I-Application
;	O
the	O
PI-6000	O
and	O
PI-7000	O
brought	O
in	O
additional	O
improvements	O
.	O
</s>
<s>
In	O
1996	O
Sharp	O
introduced	O
the	O
Sharp	B-Operating_System
Zaurus	I-Operating_System
ZR-5800	O
.	O
</s>
<s>
It	O
used	O
the	O
same	O
compact	O
design	O
,	O
ports	O
and	O
pointing	O
device	O
as	O
the	O
previous	O
Zaurus	B-Operating_System
models	O
.	O
</s>
<s>
It	O
came	O
with	O
2	O
MB	O
RAM	B-Architecture
and	O
a	O
backlit	O
320x240	O
LCD	B-Device
display	I-Device
.	O
</s>
<s>
During	O
this	O
time	O
,	O
Sharp	O
was	O
making	O
significant	O
advances	O
in	O
color	B-Device
LCD	I-Device
technology	O
.	O
</s>
<s>
In	O
May	O
1996	O
,	O
the	O
first	O
color	O
Zaurus	B-Operating_System
was	O
released	O
;	O
the	O
MI-10	O
and	O
MI-10DC	O
were	O
equipped	O
with	O
a	O
five-inch	O
(	O
12.7cm	O
)	O
color	O
thin-film	O
transistor	O
(	O
TFT	O
)	O
LCD	B-Device
screen	I-Device
.	O
</s>
<s>
Later	O
that	O
year	O
,	O
Sharp	O
developed	O
a	O
forty-inch	O
(	O
100cm	O
)	O
TFT	O
LCD	B-Device
screen	I-Device
,	O
the	O
world	O
's	O
largest	O
at	O
the	O
time	O
.	O
</s>
<s>
In	O
December	O
,	O
the	O
MI-10/10DC	O
Zaurus	B-Operating_System
was	O
chosen	O
as	O
the	O
year	O
's	O
best	O
product	O
by	O
Information	O
Display	O
Magazine	O
in	O
the	O
United	O
States	O
.	O
</s>
<s>
Sharp	O
continued	O
to	O
make	O
advancements	O
in	O
display	O
technology	O
;	O
the	O
Zaurus	B-Operating_System
gained	O
additional	O
multimedia	O
capabilities	O
,	O
such	O
as	O
video	O
playback	O
,	O
with	O
the	O
introduction	O
of	O
the	O
MI-E1	O
in	O
Japan	O
in	O
November	O
2000	O
.	O
</s>
<s>
The	O
MI-E1	O
was	O
also	O
the	O
first	O
Zaurus	B-Operating_System
to	O
support	O
both	O
Secure	B-Device
Digital	I-Device
and	O
Compact	B-Device
Flash	I-Device
memory	O
cards	O
,	O
a	O
feature	O
which	O
would	O
become	O
standard	O
on	O
future	O
models	O
as	O
well	O
.	O
</s>
<s>
Although	O
the	O
MI	O
series	O
sold	O
well	O
in	O
Japan	O
,	O
it	O
was	O
never	O
released	O
in	O
either	O
the	O
USA	O
or	O
Europe	O
,	O
and	O
the	O
Japanese	O
user	B-Application
interface	I-Application
was	O
never	O
translated	O
into	O
any	O
other	O
language	O
.	O
</s>
<s>
The	O
machines	O
released	O
outside	O
Japan	O
were	O
the	O
Linux	B-Application
based	O
SL	O
series	O
,	O
the	O
first	O
of	O
which	O
was	O
the	O
SL-5000D	O
"	O
developer	B-Application
edition	O
"	O
.	O
</s>
<s>
This	O
was	O
shortly	O
followed	O
by	O
the	O
SL-5500	O
;	O
both	O
used	O
'	O
Embedix	O
 '	O
-	O
an	O
embedded	O
version	O
of	O
the	O
Linux	B-Application
operating	I-Application
system	I-Application
developed	O
by	O
Lineo	O
-	O
combined	O
with	O
Qtopia	B-Language
,	O
the	O
Qt	O
toolkit-based	O
embedded	O
application	O
environment	O
developed	O
by	O
Trolltech	O
.	O
</s>
<s>
The	O
development	O
of	O
the	O
MI	O
series	O
in	O
Japan	O
was	O
continued	O
for	O
a	O
while	O
,	O
but	O
the	O
MI-E25DC	O
has	O
been	O
officially	O
declared	O
to	O
be	O
the	O
last	O
MI-Series	O
Zaurus	B-Operating_System
.	O
</s>
<s>
Sharp	O
has	O
continued	O
development	O
of	O
the	O
SL	O
series	O
in	O
Japan	O
releasing	O
the	O
SL-C700	O
,	O
C750	O
,	O
C760	O
and	O
C860	O
models	O
which	O
all	O
feature	O
640x480	O
VGA	B-Protocol
screen	B-General_Concept
resolution	I-General_Concept
.	O
</s>
<s>
They	O
are	O
all	O
based	O
on	O
faster	O
400MHz	O
Intel	B-Application
XScale	I-Application
technology	O
,	O
although	O
the	O
SL-C700	O
was	O
flawed	O
and	O
the	O
apparent	O
speed	O
was	O
the	O
same	O
as	O
the	O
206MHz	O
SL-5500	O
.	O
</s>
<s>
This	O
allows	O
the	O
device	O
to	O
be	O
used	O
in	O
landscape	O
mode	O
with	O
the	O
keyboard	O
,	O
much	O
like	O
a	O
miniature	O
notebook	O
PC	O
,	O
or	O
in	O
portrait	O
mode	O
as	O
a	O
PDA	B-Application
.	O
</s>
<s>
Sharp	O
introduced	O
a	O
very	O
different	O
device	O
from	O
the	O
clamshells	O
in	O
the	O
form	O
of	O
the	O
SL-6000	O
in	O
early	O
2004	O
;	O
the	O
SL-6000L	O
(	O
Wi-Fi	O
only	O
,	O
no	O
Bluetooth	B-Protocol
)	O
was	O
sold	O
in	O
North	O
America	O
,	O
the	O
last	O
and	O
only	O
device	O
since	O
the	O
5xxx	O
series	O
to	O
be	O
officially	O
sold	O
outside	O
Japan	O
.	O
</s>
<s>
It	O
returned	O
to	O
the	O
slider	O
form	O
of	O
the	O
5xxx	O
,	O
but	O
with	O
a	O
VGA	B-Protocol
display	O
;	O
a	O
slider	O
with	O
a	O
few	O
key	O
buttons	O
covered	O
a	O
thumbboard	B-Device
.	O
</s>
<s>
In	O
October	O
2004	O
Sharp	O
announced	O
the	O
SL-C3000	O
-	O
the	O
world	O
's	O
first	O
PDA	B-Application
with	O
an	O
integrated	O
hard	B-Device
disk	I-Device
drive	I-Device
(	O
preceding	O
the	O
Palm	O
Life	O
Drive	O
)	O
.	O
</s>
<s>
The	O
C1000	O
was	O
cheaper	O
,	O
lighter	O
,	O
faster	O
in	O
execution	O
due	O
to	O
running	O
from	O
flash	O
memory	O
,	O
but	O
would	O
require	O
the	O
user	O
to	O
"	O
waste	O
"	O
the	O
SD	B-Device
or	O
CF	B-Device
card	I-Device
slots	O
to	O
fit	O
a	O
memory	O
card	O
for	O
mass	O
storage	O
;	O
at	O
the	O
time	O
the	O
largest	O
card	O
supported	O
was	O
1GB	O
.	O
</s>
<s>
The	O
C1000	O
cannot	O
be	O
upgraded	O
to	O
fit	O
an	O
internal	O
micro-drive	O
because	O
vital	O
components	O
were	O
missing	O
,	O
but	O
the	O
space	O
can	O
be	O
used	O
to	O
fit	O
internal	O
Bluetooth	B-Protocol
and	O
Wi-Fi	O
modules	O
using	O
the	O
USB	O
host	O
facility	O
.	O
</s>
<s>
The	O
1000	O
,	O
3000	O
and	O
3100	O
models	O
were	O
overclockable	B-Application
,	O
boosting	O
the	O
device	O
's	O
ability	O
to	O
play	O
back	O
video	O
more	O
smoothly	O
.	O
</s>
<s>
The	O
kernel	O
gained	O
a	O
vital	O
tweak	O
to	O
the	O
Sharp	O
proprietary	O
SD/MMC	O
module	O
and	O
allowed	O
4GB	O
SD	B-Device
cards	I-Device
to	O
be	O
used	O
(	O
and	O
this	O
was	O
quickly	O
borrowed	O
by	O
3000	O
and	O
3100	O
owners	O
)	O
.	O
</s>
<s>
The	O
software	O
package	O
gained	O
text-to-speech	B-Application
software	I-Application
from	O
Nuance	O
Communications	O
and	O
an	O
upgraded	O
dictionary	O
.	O
</s>
<s>
Not	O
all	O
Zaurus	B-Operating_System
models	O
came	O
from	O
Sharp	O
with	O
universal	O
(	O
100/110/240	O
V	O
)	O
power	O
supplies	O
(	O
the	O
Zaurus	B-Operating_System
takes	O
a	O
regulated	O
5	O
V/1	O
A	O
supply	O
)	O
,	O
so	O
either	O
an	O
additional	O
or	O
an	O
exchanged	O
power	O
adaptor	O
would	O
be	O
needed	O
,	O
and	O
not	O
all	O
exporters	O
provide	O
this	O
by	O
default	O
.	O
</s>
<s>
In	O
January	O
2007	O
,	O
it	O
was	O
reported	O
that	O
Sharp	O
would	O
discontinue	O
production	O
of	O
the	O
Zaurus	B-Operating_System
line	O
after	O
February	O
2007	O
.	O
</s>
<s>
Their	O
later	O
units	O
were	O
the	O
WS003SH	O
and	O
WS004SH	O
which	O
,	O
whilst	O
adding	O
wireless	O
and	O
cellular	O
phone	O
and	O
data	O
features	O
,	O
ran	O
the	O
Windows	B-Operating_System
Mobile	I-Operating_System
5.0	O
operating	O
system/application	O
suite	O
.	O
</s>
<s>
PI-6000/FX	O
,	O
featuring	O
a	O
new	O
handwriting	B-Application
recognition	I-Application
software	O
,	O
on	O
sale	O
in	O
Japan	O
August	O
1995	O
.	O
</s>
<s>
PI-7000	O
,	O
dubbed	O
AccessZaurus	O
( アクセスザウルス	O
)	O
sports	O
a	O
built	O
in	O
modem	B-Application
,	O
is	O
introduced	O
in	O
February	O
1996	O
.	O
</s>
<s>
Note	O
:	O
Confusingly	O
,	O
Sharp	O
made	O
another	O
unit	O
called	O
the	O
"	O
PI-7000	O
ExpertPad	O
"	O
,	O
which	O
was	O
a	O
Newton	B-Device
based	O
device	O
,	O
not	O
a	O
Zaurus	B-Operating_System
.	O
</s>
<s>
Measuring	O
147x87x17mm	O
and	O
weighing	O
195g	O
including	O
the	O
batteries	O
,	O
it	O
sports	O
a	O
239x168	O
dot	B-General_Concept
matrix	I-General_Concept
display	O
and	O
715KB	O
of	O
user	O
addressable	O
memory	O
.	O
</s>
<s>
It	O
featured	O
a	O
319x168	O
dot	B-General_Concept
matrix	I-General_Concept
display	O
,	O
711KB	O
user	O
addressable	O
memory	O
,	O
measuring	O
157	O
x	O
90	O
x	O
17mm	O
,	O
and	O
weighing	O
215g	O
including	O
batteries	O
.	O
</s>
<s>
PI-6600	O
,	O
the	O
last	O
AccessZaurus	O
with	O
a	O
239	O
x	O
168	O
dot	B-General_Concept
matrix	I-General_Concept
display	O
,	O
measuring	O
147	O
x	O
87	O
x	O
17mm	O
and	O
a	O
weight	O
of	O
195g	O
including	O
batteries	O
.	O
</s>
<s>
ZR-3000	O
,	O
320x240	O
touch	O
screen	O
,	O
1	O
MB	O
RAM	B-Architecture
.	O
</s>
<s>
ZR-3500	O
,	O
similar	O
to	O
the	O
ZR-3000	O
,	O
with	O
new	O
internal	O
14.4/9.6kbit/s	O
modem	B-Application
.	O
</s>
<s>
ZR-5800	O
Having	O
a	O
touch	O
screen	O
and	O
2MB	O
of	O
RAM	B-Architecture
.	O
</s>
<s>
The	O
DC	O
model	O
featured	O
a	O
digital	B-Device
camera	I-Device
and	O
was	O
initially	O
priced	O
155,000	O
Yen	O
.	O
</s>
<s>
SL-5000D	O
,	O
a	O
developer	B-Application
edition	O
of	O
the	O
SL-5500	O
,	O
containing	O
32	O
MB	O
of	O
RAM	B-Architecture
.	O
</s>
<s>
SL-5500	O
(	O
Collie	O
)	O
,	O
the	O
first	O
new	O
Zaurus	B-Operating_System
to	O
be	O
sold	O
outside	O
Japan	O
,	O
is	O
based	O
on	O
the	O
Intel	O
SA-1110	B-Device
StrongARM	B-Device
processor	O
running	O
at	O
206MHz	O
,	O
has	O
64	O
MB	O
of	O
RAM	B-Architecture
and	O
16MB	O
Flash	O
,	O
a	O
built-in	O
keyboard	O
,	O
CompactFlash	B-Device
(	O
CF	B-Device
)	O
slot	O
,	O
Secure	B-Device
Digital	I-Device
(	O
SD	B-Device
)	O
slot	O
,	O
and	O
Infrared	O
port	O
.	O
</s>
<s>
SL-5600	O
(	O
Poodle	O
)	O
,	O
the	O
successor	O
to	O
the	O
SL-5500	O
,	O
with	O
greater	O
processing	O
capability	O
,	O
increased	O
RAM	B-Architecture
and	O
an	O
inbuilt	O
speaker	O
and	O
microphone	O
.	O
</s>
<s>
Based	O
on	O
the	O
Intel	B-Application
XScale	I-Application
400MHz	O
processor	O
.	O
</s>
<s>
Popular	O
ROMs	O
for	O
the	O
SL-5600	O
include	O
Watapon	O
,	O
Synergy	O
,	O
and	O
OpenZaurus	B-Language
.	O
</s>
<s>
SL-C700	O
(	O
Corgi	O
)	O
,	O
a	O
clam-shell	O
model	O
and	O
the	O
first	O
PDA	B-Application
to	O
use	O
Sharp	O
's	O
"	O
System	O
LCD	B-Device
"	O
,	O
sold	O
only	O
in	O
Japan	O
.	O
</s>
<s>
SL-6000N	O
,	O
4	O
"	O
VGA	B-Protocol
display	O
,	O
Intel	B-Application
XScale	I-Application
PXA255	B-Application
400MHz	O
processor	O
,	O
64	O
MB	O
flash	O
memory	O
,	O
64	O
MB	O
SDRAM	O
,	O
CF	B-Device
and	O
SD	B-Device
slots	I-Device
,	O
and	O
IR	O
port	O
.	O
</s>
<s>
There	O
seems	O
to	O
be	O
a	O
version	O
called	O
equipped	O
with	O
Microsoft	B-Operating_System
Windows	I-Operating_System
Mobile	I-Operating_System
2003	I-Operating_System
Second	I-Operating_System
Edition	I-Operating_System
,	O
and	O
a	O
handheld	O
from	O
Hitachi	O
called	O
with	O
same	O
hardware	O
,	O
both	O
are	O
only	O
available	O
in	O
Japan	O
.	O
</s>
<s>
SL-6000W	O
,	O
same	O
as	O
SL-6000N	O
,	O
also	O
with	O
built-in	O
802.11b	O
Wi-Fi	O
and	O
Bluetooth	B-Protocol
.	O
</s>
<s>
It	O
also	O
features	O
an	O
Intel	B-Application
Xscale	I-Application
PXA270	O
416MHz	O
CPU	O
.	O
</s>
<s>
While	O
that	O
model	O
features	O
only	O
16	O
MB	O
flash	O
storage	O
it	O
has	O
a	O
4	O
GB	O
Hitachi	O
HDD	B-Device
and	O
was	O
the	O
first	O
PDA	B-Application
to	O
feature	O
a	O
hard	B-Device
disk	I-Device
.	O
</s>
<s>
SL-C1000	O
(	O
Akita	O
)	O
,	O
similar	O
to	O
SL-C3000	O
,	O
but	O
with	O
128	O
MB	O
Flash	O
ROM	O
instead	O
of	O
HDD	B-Device
.	O
</s>
<s>
SL-C3100	O
(	O
Borzoi	O
)	O
,	O
similar	O
to	O
SL-C3000	O
,	O
Flash	O
ROM	O
has	O
been	O
increased	O
128	O
MB	O
,	O
still	O
has	O
4	O
GB	O
HDD	B-Device
.	O
</s>
<s>
HDD	B-Device
has	O
been	O
increased	O
to	O
6	O
GB	O
,	O
comes	O
with	O
updated	O
dictionary	O
,	O
text	B-Application
to	I-Application
speech	I-Application
software	O
from	O
Nuance	O
Communications	O
and	O
TOEIC	O
(	O
Test	O
of	O
English	O
for	O
International	O
Communication	O
)	O
test	O
.	O
</s>
<s>
PI-B304/B308	O
,	O
x86	O
16-bit	O
CPU	O
(	O
NEC	B-Device
V53A	I-Device
)	O
MS-DOS	O
based	O
.	O
</s>
<s>
RAM	B-Architecture
2MB	O
,	O
flash	O
memory	O
B304	O
2MB/B308	O
6MB	O
.	O
</s>
<s>
IrDA	O
1.0/1.1	O
,	O
PCMCIA	O
TypeII	O
,	O
5.9	O
inch	O
480	O
x	O
320	O
reflective	O
monochrome	O
LCD	B-Device
.	O
</s>
<s>
These	O
are	O
frequently	O
called	O
'	O
ROMs	O
 '	O
in	O
the	O
community	O
because	O
the	O
Zaurus	B-Operating_System
 '	O
OS	O
is	O
usually	O
stored	O
in	O
embedded	O
flash	O
memory	O
,	O
and	O
are	O
installed	O
using	O
a	O
flashing	O
tool	O
.	O
</s>
<s>
OpenZaurus	B-Language
,	O
which	O
uses	O
the	O
OPIE	O
or	O
GPE	B-Language
graphical	B-Application
user	I-Application
interfaces	I-Application
and	O
is	O
designed	O
for	O
the	O
power	B-General_Concept
user	I-General_Concept
.	O
</s>
<s>
OpenZaurus	B-Language
does	O
not	O
include	O
the	O
proprietary	O
software	O
that	O
comes	O
with	O
Sharp	O
's	O
distribution	O
.	O
</s>
<s>
OpenZaurus	B-Language
development	O
has	O
been	O
dropped	O
in	O
favour	O
of	O
Ångström	O
which	O
is	O
also	O
based	O
on	O
the	O
OpenEmbedded	B-Application
build	O
environment	O
,	O
but	O
supports	O
a	O
larger	O
range	O
of	O
devices	O
,	O
not	O
limited	O
to	O
Zauri	O
.	O
</s>
<s>
Ångström	B-Language
distribution	I-Language
,	O
the	O
replacement	O
for	O
OpenZaurus	B-Language
.	O
</s>
<s>
OpenZaurus	B-Language
no	O
longer	O
is	O
being	O
developed	O
for	O
,	O
as	O
its	O
developers	B-Application
now	O
work	O
on	O
Ångström	B-Language
distribution	I-Language
.	O
</s>
<s>
Ångström	O
is	O
an	O
OpenEmbedded	B-Application
build	O
system	O
based	O
Zaurus	B-Operating_System
distribution	O
with	O
its	O
current	O
images	O
being	O
console	O
and	O
an	O
X11	O
GPE	B-Language
based	O
ROM	O
.	O
</s>
<s>
pdaXrom	O
,	O
a	O
distribution	O
based	O
on	O
the	O
X	O
graphics	O
system	O
and	O
the	O
matchbox/openbox	O
user	B-Application
interface	I-Application
.	O
</s>
<s>
Cacko	O
,	O
an	O
alternative	O
to	O
the	O
original	O
Sharp	O
ROM	O
,	O
it	O
is	O
based	O
on	O
the	O
same	O
Qt	B-Language
graphics	O
system	O
with	O
as	O
many	O
underlying	O
parts	O
of	O
the	O
OS	O
upgraded	O
as	O
possible	O
yet	O
still	O
maintains	O
full	O
compatibility	O
and	O
allows	O
the	O
proprietary	O
Sharp	O
applications	O
to	O
be	O
run	O
.	O
</s>
<s>
In	O
August	O
2007	O
a	O
port	O
of	O
Gentoo	B-Application
Linux	I-Application
was	O
started	O
which	O
offers	O
some	O
promise	O
.	O
</s>
<s>
Zubuntu	O
,	O
based	O
on	O
the	O
ARM	O
port	O
of	O
Ubuntu	B-Operating_System
for	O
the	O
clam-shell	O
models	O
C3x00	O
et	O
al.	O
,	O
SL-6000	O
was	O
started	O
in	O
2008	O
.	O
</s>
<s>
Arch	O
Linux	B-Application
ARM	O
has	O
been	O
ported	O
in	O
2015	O
on	O
the	O
C3x00	O
models	O
.	O
</s>
<s>
For	O
the	O
Sharp	O
and	O
Cacko	O
ROMs	O
,	O
there	O
are	O
third	O
party	O
and	O
somewhat	O
experimental	O
kernels	O
such	O
as	O
"	O
Tetsu	O
's	O
"	O
(	O
a	O
Japanese	O
Zaurus	B-Operating_System
expert	O
)	O
which	O
offer	O
interesting	O
optimisations	O
and	O
drivers	O
for	O
unusual	O
hardware	O
.	O
</s>
<s>
It	O
is	O
possible	O
to	O
replace	O
only	O
the	O
Linux	B-Application
kernel	O
which	O
can	O
give	O
better	O
performance	O
while	O
maintaining	O
compatibility	O
and	O
retaining	O
installed	O
software	O
that	O
comes	O
with	O
a	O
"	O
stock	O
"	O
ROM	O
.	O
</s>
<s>
As	O
well	O
as	O
the	O
choice	O
of	O
GUI	B-Application
(	O
qt/qtopia	O
,	O
X11	O
+	O
matchbox	O
,	O
X11	O
+	O
E17	O
etc	O
.	O
</s>
<s>
There	O
was	O
a	O
port	O
of	O
OpenBSD	B-Operating_System
for	O
several	O
Zaurus	B-Operating_System
models	O
.	O
</s>
<s>
This	O
port	O
of	O
OpenBSD	B-Operating_System
does	O
not	O
however	O
replace	O
the	O
original	O
operating	B-General_Concept
system	I-General_Concept
entirely	O
,	O
nor	O
is	O
it	O
made	O
available	O
as	O
a	O
ROM	O
image	O
,	O
instead	O
it	O
uses	O
the	O
original	O
Linux	B-Application
install	O
as	O
a	O
bootloader	O
and	O
installs	O
the	O
same	O
as	O
OpenBSD	B-Operating_System
would	O
on	O
any	O
other	O
platform	O
.	O
</s>
<s>
There	O
is	O
also	O
a	O
NetBSD	B-Device
port	O
is	O
in	O
development	O
,	O
based	O
on	O
the	O
work	O
from	O
OpenBSD	B-Operating_System
.	O
</s>
<s>
In	O
early	O
September	O
2016	O
,	O
the	O
OpenBSD	B-Operating_System
Project	I-Operating_System
ceased	O
support	O
for	O
the	O
Zaurus	B-Operating_System
port	O
of	O
their	O
operating	B-General_Concept
system	I-General_Concept
.	O
</s>
<s>
With	O
the	O
switch	O
to	O
the	O
Linux	B-Application
operating	I-Application
system	I-Application
the	O
Zaurus	B-Operating_System
became	O
capable	O
of	O
running	O
variations	O
of	O
a	O
wide	O
variety	O
of	O
proprietary	O
and	O
open	B-Application
source	I-Application
software	I-Application
,	O
including	O
web	O
and	O
FTP	B-Protocol
servers	O
,	O
databases	O
,	O
and	O
compilers	B-Language
.	O
</s>
<s>
Developers	B-Application
have	O
created	O
several	O
replacement	O
Linux	B-Application
distributions	O
for	O
the	O
Zaurus	B-Operating_System
.	O
</s>
<s>
Software	O
provided	O
by	O
Sharp	O
includes	O
basic	O
PDA	B-Application
packages	O
such	O
as	O
a	O
datebook	O
,	O
addressbook	O
,	O
and	O
to	O
do	O
list	O
.	O
</s>
<s>
These	O
PIM	B-Architecture
applications	O
are	O
fairly	O
unsophisticated	O
,	O
and	O
a	O
number	O
of	O
individuals	O
and	O
groups	O
have	O
developed	O
alternatives	O
.	O
</s>
<s>
One	O
popular	O
-	O
and	O
free	O
-	O
alternative	O
that	O
runs	O
on	O
the	O
Sharp	O
ROM	O
and	O
OpenZaurus	B-Language
as	O
well	O
as	O
Windows	O
and	O
Linux	B-Application
is	O
the	O
KDE	B-Application
PIM/Platform	O
-independent	O
set	O
of	O
applications	O
.	O
</s>
<s>
KDE	B-Application
PIM/PI	O
is	O
based	O
on	O
PIM	B-Architecture
applications	O
from	O
the	O
KDE	B-Application
desktop	O
suite	O
for	O
Linux	B-Application
.	O
</s>
<s>
KDE	B-Application
PIM/PI	O
includes	O
KOrganizer/Platform	O
-independent	O
(	O
or	O
KOPI	O
)	O
,	O
KAddressbook/Platform	O
-independent	O
(	O
or	O
KAPI	O
)	O
,	O
K-OpieMail/pi	O
(	O
or	O
OMPI	O
)	O
,	O
K-Phone/pi	O
(	O
kppi	O
)	O
and	O
PwM/PI	O
,	O
a	O
password	O
manager	O
with	O
strong	O
encryption	O
.	O
</s>
<s>
In	O
addition	O
to	O
standard	O
PDA	B-Application
applications	O
there	O
are	O
many	O
programs	O
available	O
that	O
are	O
more	O
commonly	O
associated	O
with	O
desktop	O
and	O
laptop	O
computers	O
.	O
</s>
