<s>
The	O
.RDO	B-Language
(	O
Raster	B-Language
Document	I-Language
Object	I-Language
)	O
file	O
format	O
is	O
the	O
native	B-Application
format	I-Application
used	O
by	O
Xerox	O
's	O
DocuTech	O
range	O
of	O
hardware	O
and	O
software	O
,	O
that	O
underpins	O
the	O
company	O
's	O
"	O
Xerox	O
Document	O
On	O
Demand	O
"	O
"	O
XDOD	O
"	O
systems	O
.	O
</s>
<s>
It	O
is	O
therefore	O
a	O
significant	O
file	O
format	O
for	O
the	O
"	O
print	O
on	O
demand	O
"	O
market	O
sector	O
,	O
along	O
with	O
PostScript	B-Language
and	O
PDF	B-Application
.	O
</s>
<s>
RDO	O
is	O
a	O
metafile	O
format	O
based	O
on	O
the	O
Open	O
Document	O
Architecture	O
(	O
ODA	O
)	O
specifications	O
:	O
In	O
Xerox	O
's	O
RDO	O
implementation	O
,	O
description	O
and	O
control	O
information	O
is	O
stored	O
within	O
the	O
RDO	O
file	O
,	O
while	O
raster	B-Algorithm
images	I-Algorithm
are	O
stored	O
separately	O
,	O
usually	O
in	O
a	O
separate	O
folder	O
,	O
as	O
TIFF	O
files	O
.	O
</s>
<s>
This	O
approach	O
has	O
advantages	O
and	O
disadvantages	O
over	O
the	O
monolithic	O
approach	O
used	O
by	O
PDF	B-Application
:	O
</s>
<s>
The	O
TIFF	O
file	O
format	O
is	O
highly	O
portable	O
,	O
and	O
Xerox	O
's	O
MakeReady	O
software	O
,	O
supplied	O
with	O
its	O
XDOD	O
systems	O
,	O
readily	O
imports	O
and	O
export	O
postscript	B-Language
files	O
:	O
however	O
,	O
the	O
Xerox	O
"	O
on	O
demand	O
"	O
systems	O
typically	O
require	O
a	O
document	O
library	O
to	O
be	O
stored	O
as	O
RDO	O
/	O
TIFF	O
files	O
,	O
and	O
most	O
non-Xerox	O
applications	O
will	O
not	O
read	O
RDO	O
structures	O
directly	O
.	O
</s>
