<s>
CP-67	B-Application
is	O
a	O
hypervisor	B-Operating_System
,	O
or	O
Virtual	B-Operating_System
Machine	I-Operating_System
Monitor	I-Operating_System
,	O
from	O
IBM	O
for	O
its	O
System/360	B-Device
Model	I-Device
67	I-Device
computer	O
.	O
</s>
<s>
CP-67	B-Application
is	O
the	O
control	O
program	O
portion	O
of	O
CP/CMS	B-Application
,	O
a	O
virtual	B-Architecture
machine	I-Architecture
operating	O
system	O
developed	O
by	O
IBM	O
's	O
Cambridge	O
Scientific	O
Center	O
in	O
Cambridge	O
,	O
Massachusetts	O
.	O
</s>
<s>
It	O
was	O
a	O
reimplementation	O
of	O
their	O
earlier	O
research	O
system	O
CP-40	B-Application
,	O
which	O
ran	O
on	O
a	O
one-off	O
customized	O
S/360	O
-40	O
.	O
</s>
<s>
CP-67	B-Application
was	O
later	O
reimplemented	O
(	O
again	O
)	O
as	O
CP-370	B-Application
,	O
which	O
IBM	O
released	O
as	O
VM/370	B-Application
in	O
1972	O
,	O
when	O
virtual	B-Architecture
memory	I-Architecture
was	O
added	O
to	O
the	O
System/370	B-Device
series	O
.	O
</s>
<s>
can	O
be	O
run	O
on	O
a	O
properly	O
configured	O
System/360	O
as	O
a	O
single-user	O
system	O
without	O
CP-67.	O
"	O
</s>
<s>
The	O
minimum	O
configuation	O
for	O
CP-67	B-Application
is	O
:	O
</s>
<s>
Disks	O
to	O
be	O
used	O
by	O
CP	O
have	O
to	O
be	O
formatted	O
by	O
a	O
standalone	B-General_Concept
utility	I-General_Concept
called	O
FORMAT	O
,	O
loaded	O
from	O
tape	O
or	O
punched	B-Architecture
cards	I-Architecture
.	O
</s>
<s>
Following	O
formatting	O
,	O
a	O
second	O
stand-alone	O
utility	O
,	O
DIRECT	O
,	O
partitions	O
the	O
disk	O
space	O
between	O
permanent	O
(	O
system	O
and	O
user	O
files	O
)	O
and	O
temporary	O
(	O
paging	O
and	O
spooling	B-Device
)	O
space	O
.	O
</s>
<s>
DIRECT	O
also	O
creates	O
the	O
user	O
directory	O
identifying	O
the	O
virtual	B-Architecture
machines	I-Architecture
(	O
users	O
)	O
available	O
in	O
the	O
system	O
.	O
</s>
<s>
For	O
each	O
user	O
the	O
directory	O
contains	O
identifying	O
information	O
,	O
id	O
and	O
password	O
,	O
and	O
lists	O
the	O
resources	O
(	O
core	O
,	O
devices	O
,	O
etc	O
)	O
that	O
this	O
user	O
can	O
access	O
,	O
Although	O
a	O
user	O
may	O
be	O
allowed	O
access	O
to	O
physical	O
devices	O
it	O
is	O
more	O
common	O
to	O
specify	O
virtual	O
devices	O
,	O
such	O
as	O
a	O
spooled	B-Device
card	O
reader	O
,	O
card	O
punch	O
,	O
and	O
printer	O
.	O
</s>
