Page 108 - slides.dvi
P. 108
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1.
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2.
Two
by
by
Operating
Matrix
Access
sets
files
Subject
Objects
users
Access
is
of
devices
Systems
(or
message
domains
are
e.g.
executing
object:
—
/
subject:
common
matrix
large
users
by
is
ports
or
a
things
matrix
store
and
Protection
uid
store
process
(in
principal)
list
like:
in
processes
list
a
of
matrix
sparse
of
might
processes
of
⇒
representations:
be:
objects
subjects
microkernels)
don’t
protection
subjects
and
and
want
to
domain
rights
rights
against
store
with
with
it
objects.
each
all.
each
object
subject
⇒
⇒
access
capabilities
control
list
104