<s>
The	O
Multiple	B-General_Concept
Console	I-General_Concept
Time	I-General_Concept
Sharing	I-General_Concept
System	I-General_Concept
(	O
MCTS	O
)	O
was	O
an	O
operating	B-General_Concept
system	I-General_Concept
developed	O
by	O
General	B-Operating_System
Motors	I-Operating_System
Research	I-Operating_System
Laboratories	I-Operating_System
in	O
the	O
1970s	O
for	O
the	O
Control	O
Data	O
Corporation	O
STAR-100	B-Device
supercomputer	O
.	O
</s>
<s>
MCTS	O
was	O
built	O
to	O
support	O
GM	O
's	O
computer-aided	B-Application
design	I-Application
(	O
CAD	B-Application
)	O
applications	O
.	O
</s>
<s>
MCTS	O
was	O
based	O
on	O
Multics	B-Application
.	O
</s>
