<s>
Great	O
New	O
Operating	O
System	O
In	O
the	O
Sky	O
(	O
GNOSIS	B-Operating_System
)	O
is	O
a	O
capability-based	O
operating	O
system	O
that	O
was	O
researched	O
during	O
the	O
1970s	O
at	O
Tymshare	O
,	O
Inc	O
.	O
</s>
<s>
It	O
provided	O
a	O
foundation	O
for	O
the	O
development	O
of	O
future	O
operating	O
systems	O
such	O
as	O
KeyKOS	B-Operating_System
,	O
EROS	B-Operating_System
,	O
CapROS	B-Application
,	O
and	O
Coyotos	O
.	O
</s>
<s>
In	O
1984	O
,	O
McDonnell	O
Douglas	O
acquired	O
Tymshare	O
,	O
and	O
a	O
year	O
later	O
sold	O
GNOSIS	B-Operating_System
to	O
Key	O
Logic	O
,	O
where	O
GNOSIS	B-Operating_System
was	O
renamed	O
KeyKOS	B-Operating_System
.	O
</s>
