What would the output of the following commands?
echo $z | wc -l
echo \$$symbol
echo "$z" | wc -l
echo $\$symbol
echo '$z' I wc -l
echo "\"
echo _$now_
echo "\\"
echo hello $symbol out
echo \\
echo "\""
echo I don't understand
Given the following assignments:
$ x=*
$ y=?
$ z='one
> two
> three'
$ now=$(date)
$ symbol='>'
echo $z | wc -l
1
echo \$$symbol
$>
echo "$z" | wc -l
3
echo $\$symbol
$$symbol
echo '$z' I wc -l
1
echo "\"
>
echo $z | wc -l
1
echo \$$symbol
$>
echo "$z" | wc -l
3
echo $\$symbol
$$symbol
echo '$z' I wc -l
1
echo "\"
>
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