Question: Explain the following command lines. Correct their errors, if any. a. cmd/tmp b. rm a*.txt #delete all a.texts ; touch a2.txt c. ls -l ./#*

Explain the following command lines. Correct their errors, if any.

a. cmd/tmp

b. rm a*.txt #delete all a.texts ; touch a2.txt

c. ls -l ./#* -- -sys*

d. find /tmp -atime +7 -exec rm -rf {} \; # is this method of application #correct?

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