<s>
cdrdao	B-Language
(	O
“	O
CD	O
recorder	O
disc-at-once	B-Application
”	O
)	O
is	O
a	O
free	B-Application
utility	B-Application
software	I-Application
product	O
for	O
authoring	B-Application
and	O
ripping	O
of	O
CD-ROMs	B-Device
.	O
</s>
<s>
The	O
program	O
is	O
released	O
under	O
the	O
GPL	B-License
.	O
</s>
<s>
Cdrdao	B-Language
records	O
audio	O
or	O
data	O
CD-Rs	O
in	O
disk-at-once	B-Application
mode	O
based	O
on	O
a	O
textual	O
description	O
of	O
the	O
CD	O
contents	O
,	O
known	O
as	O
a	O
TOC	B-Application
file	O
that	O
can	O
be	O
created	O
and	O
customized	O
inside	O
a	O
text	B-Application
editor	I-Application
.	O
</s>
<s>
cdrdao	B-Language
runs	O
from	O
command	B-Application
line	I-Application
and	O
has	O
no	O
graphical	B-Application
user	I-Application
interface	I-Application
,	O
except	O
for	O
third-party	O
ones	O
such	O
as	O
K3b	B-Language
(	O
Linux	O
)	O
,	O
Gcdmaster	O
(	O
Linux	O
)	O
or	O
XDuplicator	O
(	O
Windows	O
)	O
.	O
</s>
