What is the difference between $* and $@ in bash shell script?

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Also see: What is the difference between "$*" and "$@" in a bash shell script?

Difference between $* and $@

echo $*
echo $@

for i in $*
do
  echo $i
done

for i in $@
do
  echo $i
done

Results, everything is the same, no difference.

$ ./positional_parameters If you see a faded sign at the side of the road that says...
If you see a faded sign at the side of the road that says...
If you see a faded sign at the side of the road that says...
If
you
see
a
faded
sign
at
the
side
of
the
road
that
says...
If
you
see
a
faded
sign
at
the
side
of
the
road
that
says...