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32 changes: 32 additions & 0 deletions 160801217wangbin
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exercises 1:
1.
mkdir new
touch message.txt
2.
mv message.txt /home/text
3.
cp message.txt ~/workbench
4.
rm /

exercise2:
1.mkdir workbench
2.cd workbench
touch readme.txt
3.echo "1\r\n2\r\n3">readme.txt
4.cat readme.txt
5. cd workbench
touch list.txt
ls home/>list.txt
6.wc -m list.txt

exercise 3
$man ls
$mam man
$apropos calenda

exercise 4
$find . -name "*.png"
$fine . -name "*hiking"
$mv *.txt data
$mv *.jpg photo