<s>
Comprehensive	B-Application
Electronic	I-Application
Office	I-Application
,	O
often	O
referred	O
to	O
by	O
its	O
initialism	O
CEO	B-Application
,	O
was	O
a	O
suite	O
of	O
office	B-Application
automation	I-Application
software	I-Application
from	O
Data	O
General	O
introduced	O
in	O
1981	O
.	O
</s>
<s>
It	O
included	O
word	B-General_Concept
processing	I-General_Concept
,	O
e-mail	O
,	O
spreadsheets	B-Application
,	O
business	O
graphics	O
and	O
desktop	O
accessories	O
.	O
</s>
<s>
The	O
software	O
was	O
developed	O
mostly	O
in	O
PL/I	B-Language
on	O
and	O
for	O
the	O
AOS	O
and	O
AOS/VS	O
operating	O
systems	O
.	O
</s>
<s>
CEO	B-Application
was	O
considered	O
office	B-Application
automation	I-Application
software	I-Application
,	O
which	O
was	O
an	O
attempt	O
to	O
create	O
a	O
paperless	O
office	O
.	O
</s>
<s>
CEO	B-Application
has	O
also	O
been	O
cited	O
as	O
an	O
example	O
of	O
an	O
executive	B-Application
information	I-Application
system	I-Application
and	O
as	O
a	O
decision	B-Application
support	I-Application
system	I-Application
.	O
</s>
<s>
In	O
1985	O
,	O
Data	O
General	O
announced	O
a	O
complementary	O
product	O
,	O
TEO	O
(	O
Technical	O
Electronic	O
Office	O
)	O
,	O
focused	O
on	O
the	O
office	B-Application
automation	I-Application
needs	O
of	O
engineering	O
professionals	O
.	O
</s>
<s>
In	O
later	O
years	O
,	O
CEO	B-Application
offerings	O
grew	O
to	O
include	O
various	O
products	O
to	O
connect	O
to	O
CEO	B-Application
from	O
early	O
personal	O
computers	O
.	O
</s>
<s>
The	O
first	O
such	O
product	O
was	O
called	O
CEO	B-Application
Connection	O
.	O
</s>
<s>
Later	O
a	O
product	O
named	O
CEO	B-Application
Object	O
Office	O
shipped	O
which	O
repackaged	O
HP	B-Application
NewWave	I-Application
(	O
an	O
object	O
oriented	O
graphical	O
interface	O
)	O
.	O
</s>
<s>
CEO	B-Application
code	O
was	O
heavily	O
dependent	O
on	O
the	O
INFOS	O
II	O
database	O
.	O
</s>
<s>
When	O
Data	O
General	O
moved	O
from	O
the	O
Eclipse	B-Device
MV	I-Device
platform	O
to	O
the	O
AViiON	B-Device
,	O
CEO	B-Application
was	O
not	O
ported	O
to	O
the	O
new	O
platform	O
as	O
the	O
cost	O
would	O
have	O
been	O
prohibitive	O
.	O
</s>
<s>
CEO	B-Application
was	O
often	O
compared	O
with	O
IBM	O
's	O
offering	O
,	O
commonly	O
called	O
PROFS	B-Application
.	O
</s>
<s>
CEO	B-Application
offered	O
integration	O
with	O
DISOSS	B-Application
and	O
SNADS	B-Architecture
.	O
</s>
<s>
CEO	B-Application
also	O
supported	O
Xodiac	O
,	O
Data	O
General	O
's	O
proprietary	O
networking	O
system	O
.	O
</s>
<s>
In	O
1989	O
,	O
Data	O
General	O
unveiled	O
an	O
email	O
gateway	O
product	O
,	O
Communications	O
Server	O
,	O
which	O
provided	O
interoperability	O
of	O
CEO	B-Application
with	O
X.400	B-Protocol
email	O
systems	O
and	O
X.500	B-Protocol
directories	I-Protocol
.	O
</s>
<s>
One	O
early	O
CEO	B-Application
site	O
,	O
Deutsche	O
Credit	O
in	O
Chicago	O
,	O
first	O
installed	O
CEO	B-Application
while	O
it	O
was	O
under	O
beta	O
in	O
1980	O
,	O
and	O
by	O
1986	O
had	O
80	O
users	O
of	O
the	O
product	O
.	O
</s>
<s>
Other	O
users	O
included	O
the	O
U.S.	O
Forest	O
Service	O
,	O
who	O
installed	O
CEO	B-Application
in	O
1983	O
,	O
and	O
whose	O
CEO	B-Application
system	O
fell	O
victim	O
to	O
a	O
hacking	O
attack	O
in	O
December	O
1984	O
.	O
</s>
<s>
CEO	B-Application
was	O
also	O
formerly	O
used	O
by	O
Health	O
and	O
Welfare	O
Canada	O
as	O
its	O
departmental	O
email	O
system	O
.	O
</s>
