Page 74 - slides.dvi

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Operating
Big
for
e.g.
e.g.
Sharing
shared
each
Systems
Several
—
sharing
data
Protection
and
protected
place
corresponds
code.
Segmentation
subtle
advantage
to
process
bits
Segmentation
each
of
instruction
enabled
also
has
against
segments
logical
caveats
its
array
Protection
when
can
in
associated
writes
own
view
segments
exist
two
use
facilitates
own
with
segmentation
(and
with
is
seg
(should
each
sharing
⇒
processes
that
be
of
ST
STBR/STLR
copy-on-write
array
have
as
entry
segmentation
programmer’s
non-self
protection
limits
per
—
code/data
is
identical
view)
e.g.
checked
per
paged
in
checked
modifying!)
entries
jumps
by
case.
usual
can
segment;
h/w
be
way
within
70
i.e.