Question on fsck -N

From: Wen Guangcheng (wen_at_microcourt.co.jp)
Date: 03/25/05

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    To: "General Red Hat Linux discussion list" <redhat-list@redhat.com>
Date: Fri, 25 Mar 2005 13:07:42 +0900

    Hello Gurus,

    After a earthquake I wonder whether I should check a server's file system.
    Someone suggests me to use "fsck -N device name". If it shows some errors
    then the file system should be check and repaired.
    But from man page of fsck the explanation of -N option is as follows,
    -N Don't execute, just show what would be done.

    I am not sure what it means. Would anyone give me more explanation of
    -N option? Thanks in advance.

    Best regards,

    --Wen 

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