<s>
PANOS	B-Operating_System
is	O
a	O
discontinued	O
computer	B-General_Concept
operating	I-General_Concept
system	I-General_Concept
developed	O
by	O
Acorn	O
Computers	O
in	O
the	O
1980s	O
and	O
released	O
in	O
1985	O
,	O
which	O
ran	O
on	O
the	O
32016	B-Device
Second	O
Processor	O
for	O
the	O
BBC	B-Device
Micro	I-Device
and	O
the	O
Acorn	O
Cambridge	O
Workstation	O
.	O
</s>
<s>
These	O
systems	O
had	O
essentially	O
the	O
same	O
architecture	O
,	O
based	O
on	O
a	O
32-bit	O
NS32016	B-Device
CPU	B-General_Concept
;	O
the	O
ACW	O
having	O
a	O
BBC	O
Micro-based	O
"	O
I/O	B-General_Concept
processor	O
"	O
.	O
</s>
<s>
Access	O
to	O
the	O
I/O	B-General_Concept
processor	O
was	O
through	O
a	O
NS32016	B-Device
firmware	B-Application
kernel	B-Operating_System
called	O
Pandora	O
.	O
</s>
<s>
Panos	B-Operating_System
ran	O
on	O
the	O
NS32016	B-Device
and	O
was	O
a	O
rudimentary	O
single-user	B-Operating_System
operating	B-General_Concept
system	I-General_Concept
,	O
written	O
in	O
Modula-2	B-Language
.	O
</s>
<s>
It	O
provided	O
a	O
simple	O
command	B-Application
line	I-Application
interpreter	O
,	O
a	O
text	B-Application
editor	I-Application
and	O
access	O
to	O
DFS	B-Application
,	O
ADFS	B-Device
or	O
NFS	B-Device
file	B-Application
systems	I-Application
via	O
the	O
I/O	B-General_Concept
processor	O
.	O
</s>
<s>
Targeted	O
at	O
the	O
academic	O
and	O
scientific	O
user	O
community	O
,	O
it	O
came	O
bundled	O
with	O
compilers	O
for	O
the	O
FORTRAN	O
77	O
,	O
C	B-Language
,	O
Pascal	B-Application
and	O
LISP	B-Language
programming	I-Language
languages	I-Language
.	O
</s>
<s>
The	O
following	O
list	O
of	O
commands	B-Application
is	O
supported	O
by	O
the	O
Panos	B-Operating_System
command	B-Application
line	I-Application
interpreter	O
.	O
</s>
