Invoking mbchk
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The program `mbchk' checks for the format of a Multiboot kernel. We
recommend using this program before booting your own kernel by GRUB.
`mbchk' accepts the following options:
`--help'
Print a summary of the command-line options and exit.
`--version'
Print the version number of GRUB and exit.
`--quiet'
Suppress all normal output.