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dumpe2fs: add page (#4497)

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teeteejo 2020-10-24 13:36:28 +01:00 • committed by GitHub
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# dumpe2fs
> Print the super block and blocks group information for ext2/ext3/ext4 filesystems.
> Unmount the partition before running this command using `umount {{device}}`.
> More information: <https://linux.die.net/man/8/dumpe2fs>.
- Display ext2, ext3 and ext4 filesystem information:
`dumpe2fs {{/dev/sdXN}}`
- Display the blocks which are reserved as bad in the filesystem:
`dumpe2fs -b {{/dev/sdXN}}`
- Force display filesystem information even with non-recogonisable feature flags:
`dumpe2fs -f {{/dev/sdXN}}`
- Only display the superblock information and not any of the block group descriptor detail information:
`dumpe2fs -h {{/dev/sdXN}}`
- Print the detailed group information block numbers in hexadecimal format:
`dumpe2fs -x {{/dev/sdXN}}`