<s>
The	O
Formatted	B-Application
File	I-Application
System	I-Application
(	O
FFS	O
)	O
is	O
the	O
name	O
of	O
a	O
series	O
of	O
Database	B-Application
Management	I-Application
Systems	I-Application
(	O
DBMS	O
)	O
developed	O
for	O
military	O
use	O
and	O
designed	O
to	O
run	O
on	O
IBM	O
mainframe	O
computers	O
.	O
</s>
<s>
The	O
Formatted	B-Application
File	I-Application
System	I-Application
is	O
one	O
such	O
family	O
.	O
</s>
<s>
Others	O
included	O
General	O
Electric	O
's	O
IDS	B-Application
family	O
,	O
and	O
the	O
Mark	B-Language
IV	I-Language
series	O
developed	O
by	O
Informatics	O
Inc	O
.	O
(	O
later	O
acquired	O
by	O
Sterling	O
Software	O
)	O
.	O
</s>
