mirror of https://github.com/CrimsonTome/tldr.git
26 lines
764 B
Markdown
26 lines
764 B
Markdown
# dumpe2fs
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> Print the super block and blocks group information for ext2/ext3/ext4 filesystems.
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> Unmount the partition before running this command using `umount {{device}}`.
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> More information: <https://linux.die.net/man/8/dumpe2fs>.
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- Display ext2, ext3 and ext4 filesystem information:
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`dumpe2fs {{/dev/sdXN}}`
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- Display the blocks which are reserved as bad in the filesystem:
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`dumpe2fs -b {{/dev/sdXN}}`
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- Force display filesystem information even with non-recognisable feature flags:
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`dumpe2fs -f {{/dev/sdXN}}`
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- Only display the superblock information and not any of the block group descriptor detail information:
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`dumpe2fs -h {{/dev/sdXN}}`
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- Print the detailed group information block numbers in hexadecimal format:
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`dumpe2fs -x {{/dev/sdXN}}`
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