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单选题
An administrator received a call from a user whose PC crashed while using vi to edit a file. The user wants the edited file back. Where should the administrator look for the file（）
A
/tmp
B
/var/preserve
C
/var/tmp/$USER
D
$HOME/.vi
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Implement preventative measures.B
Close the issue.C
Document the outcome.D
Question other users to make sure they are not having the same issue.
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Reboot the mail server.D
Document the solution.
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Reboot the file server.B
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Ask the user to reboot their PC.D
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