<s>
In	O
computing	O
,	O
DGCA	B-Application
is	O
a	O
freeware	B-License
compression	B-General_Concept
utility	I-General_Concept
created	O
in	O
2001	O
by	O
.	O
</s>
<s>
DGCA	B-Application
is	O
also	O
a	O
compressed	O
archive	O
format	O
,	O
the	O
next	O
generation	O
of	O
'	O
GCA	O
 '	O
.	O
</s>
<s>
DGCA	B-Application
has	O
a	O
better	O
compression	B-General_Concept
ratio	O
than	O
ZIP	B-General_Concept
,	O
stronger	O
encryption	O
and	O
Unicode	O
filenames	B-Operating_System
.	O
</s>
<s>
However	O
,	O
DGCA	B-Application
is	O
not	O
a	O
major	O
compression	B-General_Concept
format	O
.	O
</s>
