Page 131 - slides.dvi
P. 131
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Unix
The
Case
The
Uses
Parsing
Study—
shell
Shell
path
stage
(=
just
Processes
Conventionally
a
list
‘&’
of
process
(omitted)
ad
specifies
repeat
like
can
infinitum
directories
run
do
no
to
in
lots.
fg?
wait
read
fork
.
write
yes
everything
.
search)
else.
for
child
process
background.
zombie
process
issue prompt
get command line
exit
executes
execve
program
convenience.
127