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SIMULATION
You want to create a compressed backup of the users home directories so you can issue the command gzip /home/* backup.gz but it fails. The reason it failed is that gzip will only compress one ____ at a time.
Correct Answer: file
Explanation/Reference:
Explanation: The command: gzip <filename> backup.gz will compress <filename> and rename it to backup.gz. This only works with a single file. To compress multiple files into one file (archive), you should use the tar utility with the z option. Tar can archive multiple files into a single file (archive).
The z option causes tar to use gzip to compress the files first.
Reference: http://www.oreillynet.com/linux/cmd/g/gzip.html
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Since they dont compress directory command fails…
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