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Question

What does the following command do?
cp -u * dir_file

a.

copy all files to directory dir_file

b.

update all files

c.

delete all files

d.

update all files in the current working directory and copy newer ones to directory dir_file

Posted under Unix File System UNIX

Answer: (d).update all files in the current working directory and copy newer ones to directory dir_file

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Q. What does the following command do? cp -u * dir_file

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