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Linux in a Nutshell

This directory of Linux commands is from Linux in a Nutshell, 5th Edition.

Click on any of the 687 commands below to get a description and list of available options. All links in the command summaries point to the online version of the book on Safari Bookshelf.

Buy it now, or read it online on Safari Bookshelf.



dumpe2fs

dumpe2fs device

System administration command. Print information about device's superblock and blocks group.

Options

-b

List blocks marked as bad.

-f

Force display of filesystems with unknown feature flags.

-h

Display superblock information only.

-i

Specify device is an image file created by e2image.

-ob superblock

Specify location of the superblock.

-oB blocksize

Specify blocksize to use when examining filesystem.

-x

Print block numbers in hexadecimal.

-V

Print version number and exit.


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