<s>
UniSoft	B-Operating_System
Corporation	O
is	O
an	O
American	O
software	B-Application
developer	I-Application
established	O
in	O
1981	O
,	O
originally	O
focused	O
on	O
the	O
development	O
of	O
Unix	B-Application
ports	O
for	O
various	O
computer	B-General_Concept
architectures	I-General_Concept
.	O
</s>
<s>
Based	O
in	O
Millbrae	O
,	O
California	O
,	O
it	O
now	O
builds	O
standardization	O
and	O
conformance	O
testing	O
applications	O
for	O
the	O
digital	B-Application
television	I-Application
market	O
.	O
</s>
<s>
UniSoft	B-Operating_System
was	O
founded	O
on	O
October	O
5	O
,	O
1981	O
,	O
in	O
Emeryville	O
,	O
California	O
.	O
</s>
<s>
Their	O
original	O
business	O
was	O
Unix	B-Application
development	O
,	O
and	O
they	O
were	O
soon	O
recognized	O
as	O
one	O
of	O
the	O
early	O
implementers	O
of	O
Unix	B-Application
for	O
the	O
emerging	O
16-bit	O
microcomputer	O
market	O
.	O
</s>
<s>
By	O
1989	O
,	O
they	O
had	O
completed	O
over	O
225	O
Unix	B-Application
implementations	O
on	O
various	O
hardware	O
platforms	O
,	O
which	O
was	O
estimated	O
to	O
have	O
been	O
about	O
65%	O
of	O
all	O
such	O
ports	O
.	O
</s>
<s>
UniSoft	B-Operating_System
's	O
port	O
of	O
Version	B-Operating_System
7	I-Operating_System
Unix	I-Operating_System
was	O
the	O
first	O
operating	O
system	O
for	O
Sun	O
Microsystems	O
 '	O
Sun-1	B-Device
workstations	O
and	O
servers	O
.	O
</s>
<s>
It	O
also	O
developed	O
Apple	O
Inc.	O
'	O
s	O
Unix	B-Application
variant	O
,	O
A/UX	B-Operating_System
,	O
for	O
the	O
Apple	B-Device
Macintosh	I-Device
II	I-Device
.	O
</s>
<s>
UniSoft	B-Operating_System
UniPlus	B-Operating_System
System	B-Operating_System
V	I-Operating_System
served	O
as	O
the	O
basis	O
of	O
Silicon	O
Graphics	O
 '	O
GL2	B-Device
operating	O
system	O
,	O
which	O
eventually	O
evolved	O
into	O
IRIX	B-Operating_System
.	O
</s>
<s>
UniSoft	B-Operating_System
shifted	O
its	O
focus	O
to	O
the	O
television	O
industry	O
in	O
1997	O
,	O
in	O
order	O
to	O
address	O
standards	O
compliant	O
software	O
in	O
that	O
market	O
.	O
</s>
<s>
It	O
now	O
works	O
solely	O
in	O
development	O
,	O
testing	O
,	O
and	O
broadcast	O
tools	O
for	O
digital	B-Application
television	I-Application
.	O
</s>
