Tutorial
head
head -n 10 : 列印最前 10 行
tail
tail -n 10 : 列印最後 10 行
tail -f <file.txt> : Following mode 持續列印
tail -n +1 ./*.txt : Print all *.txt with filename
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| ==> ./1.txt <==
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==> ./2.txt <==
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|
印中間 (head + tail)
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| cat file.txt
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cat file.txt | tail -n 4 | head -n 2
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|
