<s>
Compact	O
File	O
Set	O
(	O
CFS	B-General_Concept
)	O
is	O
an	O
open	O
archive	O
file	O
format	O
and	O
software	O
distribution	O
container	O
file	O
format	O
.	O
</s>
<s>
The	O
Compact	O
File	O
Set	O
(	O
CFS	B-General_Concept
)	O
is	O
an	O
open	O
archive	O
file	O
format	O
and	O
software	O
distribution	O
container	O
file	O
format	O
.	O
</s>
<s>
Basic	O
CFS	B-General_Concept
files	O
are	O
compatible	O
with	O
ISO	O
files	O
.	O
</s>
<s>
It	O
is	O
intended	O
to	O
be	O
similar	O
enough	O
to	O
ISO-9660	B-Application
that	O
many	O
systems	O
and	O
applications	O
will	O
be	O
able	O
to	O
read	O
CFS	B-General_Concept
,	O
and	O
other	O
applications	O
will	O
require	O
only	O
minor	O
modifications	O
.	O
</s>
<s>
The	O
primary	O
application	O
is	O
expected	O
to	O
be	O
container	O
files	O
for	O
various	O
archiving	O
and	O
distribution	O
applications	O
,	O
but	O
CFS	B-General_Concept
may	O
be	O
useful	O
when	O
written	O
directly	O
to	O
CD/DVD	O
media	O
.	O
</s>
<s>
Simplify	O
implementation	O
of	O
read	O
and	O
write	O
applications	O
compared	O
to	O
traditional	O
ISO-9660/UDF	O
based	O
images	O
.	O
</s>
<s>
Eliminate	O
the	O
folder	O
count	O
limitation	O
imposed	O
in	O
ISO-9660	B-Application
by	O
the	O
path	O
table	O
.	O
</s>
<s>
Eliminate	O
the	O
file	O
size	O
limitations	O
imposed	O
by	O
various	O
compatibility	O
restrictions	O
with	O
use	O
of	O
ISO-9660	B-Application
and	O
UDF	O
.	O
</s>
<s>
Arbitrary	O
limitations	O
on	O
file	O
name	O
and	O
directory	O
depth	O
are	O
removed	O
,	O
up	O
to	O
the	O
limitations	O
of	O
the	O
ISO-9660	B-Application
file	O
record	O
structure	O
,	O
110	O
16	O
bit	O
characters	O
.	O
</s>
<s>
The	O
layout	O
of	O
the	O
media	O
header	O
is	O
compatible	O
with	O
the	O
various	O
descriptor	O
and	O
directory	O
structures	O
for	O
ISO-9660	B-Application
.	O
</s>
<s>
As	O
in	O
ISO-9660-1999	O
,	O
version	O
numbers	O
are	O
not	O
added	O
to	O
file	O
names	O
.	O
</s>
<s>
As	O
in	O
ISO-9660-1999	O
,	O
special	O
meaning	O
of	O
the	O
'	O
.	O
'	O
</s>
<s>
Writers	O
may	O
choose	O
to	O
generate	O
path	O
tables	O
to	O
increase	O
compatibility	O
with	O
ISO-9660	B-Application
readers	O
.	O
</s>
<s>
Extended	O
attributes	O
are	O
reserved	O
for	O
future	O
extensions	O
to	O
CFS	B-General_Concept
.	O
</s>
<s>
When	O
duplicate	O
file	O
records	O
are	O
used	O
,	O
the	O
multi-extent	O
flag	O
must	O
also	O
be	O
used	O
as	O
indicated	O
in	O
ISO-9660-1999	O
specification	O
.	O
</s>
<s>
Rockridge	O
and	O
other	O
ISO-9660	B-Application
extensions	O
are	O
not	O
allowed	O
.	O
</s>
<s>
Future	O
versions	O
of	O
CFS	B-General_Concept
may	O
include	O
extensions	O
to	O
allow	O
storing	O
system	O
specific	O
attributes	O
such	O
as	O
time	O
fields	O
,	O
security	O
descriptors	O
,	O
access	O
control	O
lists	O
,	O
resource	O
forks	O
,	O
symbolic	O
links	O
etc	O
..	O
</s>
<s>
CFS	B-General_Concept
images	O
are	O
either	O
written	O
to	O
CD/DVD	O
media	O
,	O
or	O
are	O
stored	O
in	O
a	O
media	O
container	O
file	O
.	O
</s>
<s>
The	O
media	O
container	O
file	O
can	O
be	O
a	O
raw	O
dump	O
of	O
the	O
CFS	B-General_Concept
image	O
,	O
referred	O
to	O
here	O
as	O
DD	O
,	O
but	O
more	O
commonly	O
known	O
as	O
ISO	O
files	O
.	O
</s>
<s>
CFS	B-General_Concept
images	O
are	O
only	O
compliant	O
with	O
this	O
specification	O
when	O
they	O
are	O
stored	O
in	O
DD	O
or	O
CISO	O
(	O
Compact	O
ISO	O
)	O
format	O
media	O
files	O
.	O
</s>
<s>
When	O
burned	O
to	O
CD/DVD	O
media	O
or	O
when	O
stored	O
in	O
other	O
media	O
container	O
file	O
formats	O
such	O
as	O
NRG	O
or	O
DAA	O
,	O
the	O
combination	O
is	O
not	O
CFS	B-General_Concept
compliant	O
and	O
should	O
not	O
be	O
referred	O
to	O
as	O
a	O
CFS	B-General_Concept
file	O
.	O
</s>
<s>
Note	O
:	O
Compact	O
ISO	O
is	O
not	O
the	O
same	O
format	O
as	O
the	O
[ [ 	O
compressed	O
ISO ] ]	O
format	O
common	O
in	O
PlayStation	B-Device
Portable	I-Device
homebrew	I-Device
development	O
.	O
</s>
<s>
CFS	B-General_Concept
writing	O
applications	O
should	O
default	O
to	O
writing	O
DD	O
format	O
media	O
container	O
files	O
unless	O
the	O
user	O
has	O
specified	O
container	O
file	O
options	O
that	O
require	O
CISO	O
(	O
spanning	O
,	O
compression	O
,	O
...	O
)	O
.	O
</s>
<s>
This	O
provides	O
more	O
intuitive	O
interchange	O
with	O
systems	O
and	O
applications	O
that	O
support	O
DD	O
CD/DVD	O
images	O
but	O
do	O
not	O
support	O
CFS	B-General_Concept
.	O
</s>
