<s>
COSIX	B-Operating_System
is	O
a	O
Chinese	O
UNIX	B-Application
operating	I-Application
system	I-Application
developed	O
since	O
1989	O
by	O
China	O
National	O
Computer	O
Software	O
&	O
Technology	O
Service	O
Corporation	O
(	O
CS&S	O
)	O
.	O
</s>
<s>
A	O
jointly	O
developed	O
64-bit	B-Device
version	O
with	O
Compaq	O
was	O
released	O
in	O
1999	O
.	O
</s>
<s>
An	O
early	O
version	O
of	O
the	O
COSIX	B-Operating_System
kernel	O
was	O
developed	O
based	O
on	O
UNIX	B-Operating_System
System	I-Operating_System
V	I-Operating_System
,	O
and	O
the	O
64-bit	B-Device
version	O
was	O
based	O
on	O
Tru64	B-Operating_System
UNIX	I-Operating_System
.	O
</s>
<s>
A	O
Linux	B-Application
distribution	I-Application
named	O
COSIX	B-Operating_System
Linux	O
was	O
developed	O
by	O
CS&S	O
and	O
released	O
in	O
1999	O
,	O
which	O
had	O
no	O
technical	O
relationship	O
to	O
COSIX	B-Operating_System
.	O
</s>
