<s>
IBM	O
Distributed	O
Office	O
Support	O
System	O
,	O
or	O
DISOSS	B-Application
is	O
a	O
centralized	O
document	O
distribution	O
and	O
filing	O
application	O
for	O
IBM	O
's	O
mainframe	B-Architecture
computers	I-Architecture
running	O
the	O
MVS	B-Application
and	O
VSE	B-Application
operating	O
systems	O
.	O
</s>
<s>
DISOSS	B-Application
runs	O
under	O
both	O
the	O
CICS	B-Application
transaction	B-Application
processing	I-Application
system	I-Application
and	O
the	O
IMS/DS	O
transaction	B-Application
processing	I-Application
system	I-Application
,	O
and	O
later	O
versions	O
use	O
the	O
SNADS	B-Architecture
architecture	O
of	O
peer	O
to	O
peer	O
communication	O
for	O
distributed	O
services	O
.	O
</s>
<s>
Heterogeneous	O
office	O
systems	O
connect	O
through	O
DISOSS	B-Application
to	O
OfficeVision/MVS	O
series	O
.	O
</s>
<s>
The	O
IBM	O
systems	O
are	O
OV/MVS	O
,	O
“	O
OV/VM	O
,	O
OV/400	O
,	O
PS/CICS	O
,	O
PS/TSO	O
,	O
PS/PC	O
,	O
PROFS	B-Application
,	O
and	O
other	O
Mail	O
Systems	O
Supporting	O
SNADS	B-Architecture
and	O
DIA	O
.	O
</s>
<s>
Only	O
a	O
single	O
copy	O
of	O
DISOSS	B-Application
needs	O
to	O
be	O
installed	O
somewhere	O
in	O
the	O
network	O
to	O
accomplish	O
the	O
connection.	O
”	O
A	O
number	O
of	O
other	O
vendors	O
such	O
as	O
Digital	O
Equipment	O
Corporation	O
,	O
Hewlett-Packard	O
,	O
and	O
Data	O
General	O
provided	O
links	O
to	O
DISOSS	B-Application
.	O
</s>
<s>
DISOSS	B-Application
provides	O
document	O
library	O
function	O
with	O
search	O
and	O
retrieval	O
controlled	O
by	O
security	O
based	O
on	O
user	O
ID	O
,	O
along	O
with	O
document	O
translation	O
based	O
on	O
Document	O
Interchange	O
Architecture	O
(	O
DIA	O
)	O
and	O
Document	B-Application
Content	I-Application
Architecture	I-Application
(	O
DCA	O
)	O
.	O
</s>
<s>
The	O
different	O
systems	O
that	O
use	O
DISOSS	B-Application
for	O
document	O
exchange	O
and	O
distribution	O
vary	O
in	O
their	O
implementation	O
of	O
DCA	O
and	O
thus	O
the	O
end	O
results	O
of	O
some	O
combinations	O
are	O
only	O
final	O
form	O
(	O
FFT	O
)	O
documents	O
rather	O
than	O
revisable	O
form	O
text	O
(	O
RFT	O
)	O
.	O
</s>
<s>
It	O
supports	O
document	O
exchange	O
between	O
various	O
IBM	O
and	O
non-IBM	O
office	O
devices	O
including	O
the	O
IBM	B-Protocol
Displaywriter	I-Protocol
System	I-Protocol
,	O
the	O
IBM	B-Device
5520	I-Device
,	O
the	O
IBM	B-Device
8100/DOSF	I-Device
,	O
IBM	O
Scanmaster	O
,	O
and	O
Personal	B-Device
computers	I-Device
and	O
word	O
processors	O
.	O
</s>
<s>
It	O
offers	O
format	O
transformation	O
and	O
printing	O
services	O
,	O
and	O
provides	O
a	O
rich	O
application	B-Application
programming	I-Application
interface	I-Application
(	O
API	B-Application
)	O
and	O
interfaced	O
with	O
other	O
office	O
products	O
such	O
as	O
IBM	B-Application
OfficeVision	I-Application
.	O
</s>
<s>
DISOSS	B-Application
was	O
announced	O
in	O
1980	O
,	O
and	O
"	O
was	O
designated	O
a	O
strategic	O
IBM	O
product	O
in	O
1982.	O
"	O
</s>
<s>
It	O
was	O
a	O
key	O
part	O
of	O
IBM	B-Device
Systems	I-Device
Application	I-Device
Architecture	I-Device
(	O
SAA	O
)	O
,	O
but	O
suffered	O
from	O
a	O
reputation	O
as	O
"	O
difficult	O
to	O
understand	O
"	O
and	O
"	O
a	O
resource	O
hog.	O
"	O
</s>
<s>
DISOSS	B-Application
continues	O
to	O
be	O
actively	O
marketed	O
and	O
supported	O
as	O
of	O
2012	O
.	O
</s>
<s>
Version	O
1	O
of	O
DISOSS	B-Application
was	O
introduced	O
in	O
June	O
1980	O
;	O
Colgate-Palmolive	O
was	O
one	O
of	O
the	O
first	O
sites	O
to	O
implement	O
DISOSS	B-Application
version	O
1	O
,	O
and	O
reported	O
dissatisfaction	O
with	O
the	O
poor	O
quality	O
of	O
the	O
documentation	O
and	O
with	O
software	O
bugs	O
.	O
</s>
<s>
DISOSS	B-Application
was	O
implemented	O
by	O
the	O
city	O
government	O
of	O
Long	O
Beach	O
,	O
California	O
during	O
1983	O
–	O
1984	O
.	O
</s>
