<s>
Attachmate	O
Corporation	O
is	O
a	O
1982-founded	O
software	O
company	O
which	O
focused	O
on	O
secure	O
terminal	B-Application
emulation	I-Application
,	O
legacy	O
integration	O
,	O
and	O
managed	O
file	O
transfer	O
software	B-Application
.	I-Application
</s>
<s>
Citrix-compatibility	O
and	O
Attachment	O
Reflection	O
were	O
enhanced/added	O
offerings	O
.	O
</s>
<s>
It	O
focused	O
initially	O
on	O
the	O
IBM	O
terminal	B-Application
emulation	I-Application
market	O
,	O
and	O
became	O
a	O
major	O
technology	O
employer	O
in	O
the	O
Seattle	O
area	O
.	O
</s>
<s>
These	O
included	O
KEAterm	O
VT340	B-Application
and	O
VT420	B-Application
terminal	B-Application
emulators	I-Application
,	O
and	O
KEA	O
X	O
X	B-Protocol
terminal	I-Protocol
software	O
)	O
.	O
</s>
<s>
Another	O
acquisition	O
was	O
Digital	O
Communications	O
Associates	O
(	O
DCA	O
)	O
,	O
makers	O
of	O
IRMA	O
line	O
of	O
terminal	B-Application
emulators	I-Application
,	O
INFOconnect	O
,	O
Crosstalk	O
communications	O
software	O
,	O
and	O
OpenMind	O
collaborative	B-Application
software	I-Application
)	O
.	O
</s>
<s>
DCA	O
was	O
also	O
known	O
for	O
its	O
3270	B-Device
IRMA	I-Device
hardware	O
product	O
(	O
used	O
for	O
SDLC	B-Protocol
)	O
,	O
and	O
ISCA	O
SDLC	B-Protocol
hardware	O
adapters	O
.	O
</s>
<s>
family	O
of	O
terminal	B-Application
emulator	I-Application
packages	O
was	O
built	O
to	O
include	O
3270	B-Operating_System
,	O
5250	B-Device
and	O
VT100	B-Device
.	O
</s>
