<s>
The	O
PowerOpen	B-Application
Environment	I-Application
(	O
POE	O
)	O
,	O
created	O
in	O
1991	O
from	O
the	O
AIM	O
alliance	O
,	O
is	O
an	O
open	O
standard	O
for	O
running	O
a	O
Unix-based	O
operating	B-General_Concept
system	I-General_Concept
on	O
the	O
PowerPC	B-Architecture
computer	B-General_Concept
architecture	I-General_Concept
.	O
</s>
<s>
One	O
of	O
its	O
many	O
lofty	O
goals	O
was	O
to	O
somehow	O
eventually	O
merge	O
Apple	O
's	O
user-friendly	O
graphical	O
interface	O
and	O
desktop	O
applications	O
market	O
with	O
IBM	O
's	O
highly	O
scalable	O
Unix	B-Application
server	O
market	O
,	O
allowing	O
the	O
two	O
companies	O
to	O
enter	O
what	O
Apple	O
believed	O
to	O
be	O
an	O
emerging	O
"	O
general	O
desktop	O
open	O
systems	O
market	O
"	O
.	O
</s>
<s>
This	O
was	O
touched	O
upon	O
by	O
Apple	O
's	O
November	O
1991	O
announcement	O
of	O
A/UX	B-Operating_System
3.0	I-Operating_System
.	O
</s>
<s>
The	O
upcoming	O
A/UX	B-Operating_System
4.0	I-Operating_System
(	O
never	O
actually	O
released	O
)	O
would	O
target	O
the	O
PowerOpen	B-Application
Environment	I-Application
ABI	B-Operating_System
,	O
merge	O
features	O
of	O
IBM	O
's	O
AIX	B-Application
variant	O
of	O
Unix	B-Application
into	O
A/UX	B-Operating_System
,	O
and	O
use	O
the	O
OSF/1	B-Operating_System
kernel	O
from	O
the	O
Open	B-Application
Software	I-Application
Foundation	I-Application
.	O
</s>
<s>
A/UX	B-Operating_System
3.0	I-Operating_System
would	O
serve	O
as	O
an	O
"	O
important	O
migration	O
path	O
"	O
to	O
this	O
new	O
system	O
,	O
making	O
Unix	B-Application
and	O
System	O
7	O
applications	O
compliant	O
with	O
PowerOpen	B-Application
.	O
</s>
<s>
A/UX	B-Operating_System
4.0	I-Operating_System
and	O
AIX	B-Application
were	O
intended	O
to	O
run	O
on	O
a	O
variety	O
of	O
IBM	O
's	O
POWER	B-Architecture
and	O
PowerPC	B-Architecture
hardware	B-Architecture
,	O
and	O
on	O
Apple	O
's	O
PowerPC	B-Architecture
based	O
hardware	B-Architecture
.	O
</s>
<s>
The	O
need	O
for	O
the	O
POE	O
reduced	O
due	O
to	O
the	O
increasing	O
availability	O
of	O
Unix-like	B-Operating_System
operating	I-Operating_System
systems	I-Operating_System
on	O
PowerPC	B-Architecture
,	O
such	O
as	O
Linux	B-Application
distributions	I-Application
and	O
AIX	B-Application
.	O
</s>
<s>
The	O
PowerOpen	B-Application
Association	I-Application
was	O
formed	O
to	O
promote	O
the	O
POE	O
and	O
test	O
for	O
conformance	O
,	O
and	O
disbanded	O
in	O
1995	O
.	O
</s>
<s>
The	O
POE	O
contains	O
API	B-Application
and	O
ABI	B-Operating_System
specifications	O
.	O
</s>
<s>
The	O
presence	O
of	O
the	O
ABI	B-Operating_System
specification	O
in	O
the	O
POE	O
distinguishes	O
it	O
from	O
other	O
open	O
systems	O
such	O
as	O
POSIX	O
and	O
XPG4	O
,	O
since	O
it	O
allows	O
platform-independent	O
binary	O
compatibility	O
,	O
which	O
is	O
otherwise	O
typically	O
limited	O
to	O
particular	O
hardware	B-Architecture
.	O
</s>
<s>
Derived	O
from	O
AIX	B-Application
,	O
the	O
POE	O
conforms	O
to	O
industry	O
open	O
standards	O
including	O
POSIX	O
,	O
XPG4	O
,	O
and	O
Motif	B-Application
.	O
</s>
<s>
The	O
POE	O
is	O
hardware	B-General_Concept
bus	I-General_Concept
independent	O
.	O
</s>
<s>
System	O
implementations	O
can	O
range	O
from	O
laptop	B-Device
computers	I-Device
to	O
supercomputers	B-Architecture
.	O
</s>
<s>
It	O
requires	O
a	O
multi-user	O
,	O
multitasking	B-Operating_System
operating	I-Operating_System
system	I-Operating_System
.	O
</s>
<s>
It	O
provides	O
networking	B-Architecture
support	O
,	O
an	O
X	B-Operating_System
Window	I-Operating_System
System	I-Operating_System
extension	O
,	O
a	O
Macintosh	B-Device
Application	O
Services	O
extension	O
,	O
and	O
Motif	B-Application
.	O
</s>
