<s>
DiscJuggler	B-Application
was	O
a	O
professional	O
CD/DVD	O
recording	O
software	O
program	O
,	O
able	O
to	O
duplicate	O
multiple	O
CDs	B-Device
at	O
once	O
with	O
its	O
ability	O
to	O
simultaneously	O
drive	O
multiple	O
CD	B-Device
recorders	O
and	O
replicate	O
virtually	O
any	O
existing	O
standard	O
CD	B-Device
.	O
</s>
<s>
It	O
is	O
widely	O
used	O
for	O
burning	O
Dreamcast	B-Operating_System
disc	B-Application
images	I-Application
,	O
known	O
by	O
having	O
a	O
.cdi	B-Application
file	O
extension	O
.	O
</s>
