<s>
The	O
Access	B-Language
Linux	I-Language
Platform	I-Language
(	O
ALP	O
)	O
is	O
a	O
discontinued	O
open-source	B-Application
software	I-Application
based	O
operating	B-General_Concept
system	I-General_Concept
,	O
once	O
referred	O
to	O
as	O
a	O
"	O
next-generation	O
version	O
of	O
the	O
Palm	B-Operating_System
OS	I-Operating_System
,	O
"	O
for	O
mobile	O
devices	O
developed	O
and	O
marketed	O
by	O
Access	O
Co.	O
,	O
of	O
Tokyo	O
,	O
Japan	O
.	O
</s>
<s>
The	O
platform	O
included	O
execution	O
environments	O
for	O
Java	B-Language
,	O
classic	O
Palm	B-Operating_System
OS	I-Operating_System
,	O
and	O
GTK+	B-Application
-based	O
native	O
Linux	B-Application
applications	O
.	O
</s>
<s>
ALP	O
was	O
demonstrated	O
in	O
devices	O
at	O
a	O
variety	O
of	O
conferences	O
,	O
including	O
3GSM	O
,	O
LinuxWorld	O
,	O
GUADEC	B-Application
,	O
and	O
Open	O
Source	O
in	O
Mobile	O
.	O
</s>
<s>
The	O
initial	O
versions	O
of	O
the	O
platform	O
and	O
software	B-Application
development	I-Application
kits	I-Application
were	O
officially	O
released	O
in	O
February	O
2007	O
.	O
</s>
<s>
There	O
was	O
a	O
coordinated	O
effort	O
by	O
Access	O
,	O
Esteemo	O
,	O
NEC	O
,	O
NTT	O
DoCoMo	O
,	O
and	O
Panasonic	O
to	O
use	O
the	O
platform	O
as	O
a	O
basis	O
for	O
a	O
shared	O
platform	O
implementing	O
a	O
revised	O
version	O
of	O
the	O
i.mode	O
Mobile	O
Oriented	O
Applications	O
Platform	O
(	O
MOAP	B-Language
)	O
(	O
L	O
)	O
application	B-Application
programming	I-Application
interfaces	I-Application
(	O
APIs	B-Application
)	O
,	O
conforming	O
to	O
the	O
specifications	O
of	O
the	O
LiMo	B-Operating_System
Foundation	I-Operating_System
.	O
</s>
<s>
The	O
user	B-Application
interface	I-Application
was	O
designed	O
with	O
similar	O
general	O
goals	O
to	O
earlier	O
Palm	B-Operating_System
OS	I-Operating_System
releases	O
,	O
with	O
an	O
aim	O
of	O
preserving	O
the	O
Zen	O
of	O
Palm	O
,	O
a	O
design	O
philosophy	O
centered	O
on	O
making	O
the	O
applications	O
as	O
simple	O
as	O
possible	O
.	O
</s>
<s>
Other	O
aspects	O
of	O
the	O
interface	O
included	O
a	O
task-based	O
orientation	O
rather	O
than	O
a	O
file/document	O
orientation	O
as	O
is	O
commonly	O
found	O
on	O
desktop	B-General_Concept
systems	I-General_Concept
.	O
</s>
<s>
In	O
the	O
last	O
releases	O
,	O
they	O
went	O
for	O
a	O
much	O
more	O
modern	O
look	O
with	O
gesture	O
support	O
,	O
and	O
were	O
no	O
longer	O
close	O
to	O
the	O
Palm	B-Operating_System
OS	I-Operating_System
.	O
</s>
<s>
Similarly	O
to	O
Maemo	B-Operating_System
,	O
Nokia	O
's	O
internet	O
tablet	O
framework	O
,	O
ALP	O
was	O
based	O
on	O
components	O
drawn	O
from	O
the	O
GNOME	B-Application
project	O
,	O
including	O
the	O
GTK+	B-Application
and	O
GStreamer	B-Language
frameworks	O
.	O
</s>
<s>
A	O
variety	O
of	O
other	O
core	O
components	O
were	O
drawn	O
from	O
mainstream	O
open	O
source	O
projects	O
,	O
including	O
BlueZ	O
,	O
matchbox	B-Device
,	O
cramfs	B-Application
,	O
and	O
others	O
.	O
</s>
<s>
These	O
components	O
were	O
licensed	O
under	O
the	O
GNU	B-License
General	I-License
Public	I-License
License	I-License
(	O
GPL	B-License
)	O
,	O
GNU	B-Application
Lesser	I-Application
General	I-Application
Public	I-Application
License	I-Application
(	O
LGPL	B-Application
)	O
,	O
and	O
other	O
open	O
source	O
licenses	O
,	O
meaning	O
that	O
ALP	O
was	O
a	O
free	O
or	O
open	O
environment	O
on	O
the	O
software	O
level	O
.	O
</s>
<s>
Several	O
components	O
from	O
ALP	O
were	O
released	O
under	O
the	O
Mozilla	B-License
Public	I-License
License	I-License
as	O
The	O
Hiker	O
Project	O
.	O
</s>
<s>
The	O
ALP	O
presented	O
standard	O
APIs	B-Application
for	O
most	O
common	O
operations	O
,	O
as	O
defined	O
by	O
the	O
standards	O
for	O
Portable	O
Operating	B-General_Concept
System	I-General_Concept
Interface	O
(	O
POSIX	O
)	O
and	O
Linux	B-Application
Standard	I-Application
Base	I-Application
(	O
LSB	O
)	O
.	O
</s>
<s>
However	O
,	O
neither	O
standard	O
addresses	O
telephony	O
,	O
device	O
customizing	O
,	O
messaging	O
,	O
or	O
several	O
other	O
topics	O
,	O
so	O
several	O
other	O
frameworks	O
and	O
APIs	B-Application
were	O
defined	O
by	O
Access	O
for	O
those	O
.	O
</s>
<s>
Applications	O
for	O
ALP	O
could	O
be	O
developed	O
as	O
Linux-native	O
code	O
in	O
C	B-Language
or	O
C++	B-Language
,	O
as	O
legacy	O
Palm	B-Operating_System
OS	I-Operating_System
applications	O
(	O
which	O
run	O
in	O
the	O
Garnet	O
VM	O
emulation	O
environment	O
)	O
,	O
or	O
in	O
Java	B-Language
.	O
</s>
<s>
The	O
ALP	O
SDK	O
used	O
an	O
Eclipse-based	O
integrated	B-Application
development	I-Application
environment	I-Application
(	O
IDE	O
)	O
,	O
with	O
added	O
plug-ins	O
,	O
as	O
did	O
its	O
predecessor	O
Palm	B-Operating_System
OS	I-Operating_System
development	O
environment	O
.	O
</s>
<s>
The	O
compilers	O
used	O
were	O
embedded	O
application	B-Operating_System
binary	I-Operating_System
interface	I-Operating_System
(	O
EABI	O
)	O
enabled	O
ARM	B-Architecture
versions	O
of	O
the	O
standard	O
GNU	B-Application
Compiler	I-Application
Collection	I-Application
(	O
GCC	B-Application
)	O
tool	O
chain	O
.	O
</s>
<s>
The	O
ALP	O
used	O
a	O
combination	O
of	O
a	O
user-space	O
policy-based	O
security	O
framework	O
and	O
a	O
kernel-space	O
Linux	B-Application
security	I-Application
module	I-Application
to	O
implement	O
fine-grained	O
access	O
controls	O
.	O
</s>
<s>
Controls	O
were	O
based	O
on	O
signatures	O
and	O
certificates	O
;	O
unsigned	O
applications	O
can	O
be	O
allowed	O
access	O
to	O
a	O
predefined	O
set	O
of	O
safe	O
APIs	B-Application
.	O
</s>
