Question: 1- date | cut c1-10 > /tmp/save_date.txt 2- who | awk { print $1 } | sort u | wc l 3- ls l |

1- date | cut c1-10 > /tmp/save_date.txt

2- who | awk { print $1 } | sort u | wc l

3- ls l | wc l > /tmp/count

'4- find ~dandrear type d print

5- person = `who | grep $1`

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