CmdID

CmdID / Commands

dumpe2fs

Print the super block and blocks group information for ext2/ext3/ext4 filesystems. tldr-pages

On Linux

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Linux

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Print the super block and blocks group information for ext2/ext3/ext4 filesystems. Unmount the partition before running this command using umount device.

Display ext2, ext3, and ext4 filesystem information

dumpe2fs /dev/sdXNIdentify

Display the blocks which are reserved as bad in the filesystem

dumpe2fs -b /dev/sdXNIdentify

Force display filesystem information even with unrecognizable feature flags

dumpe2fs -f /dev/sdXNIdentify

Only display the superblock information and not any of the block group descriptor detail information

dumpe2fs -h /dev/sdXNIdentify

Print the detailed group information block numbers in hexadecimal format

dumpe2fs -x /dev/sdXNIdentify