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1.
Under which of the following circumstances would the command ping output the string (DUP!)?
2.
Which one of these directories should not be backed up?
3.
The following command has just been run successfully:
cd /opt; tar xvf /dev/nst0;
What will happen if the command sequence is run again?
cd /opt; tar xvf /dev/nst0;
What will happen if the command sequence is run again?