debugfs
An interactive ext2/ext3/ext4 filesystem debugger. More information: https://manned.org/debugfs.
- Open the filesystem in read only mode:
debugfs {{/dev/sdXN}}
- Open the filesystem in read write mode:
debugfs -w {{/dev/sdXN}}
- Read commands from a specified file, execute them and then exit:
debugfs -f {{path/to/cmd_file}} {{/dev/sdXN}}
- View the filesystem stats in debugfs console:
stats
- Close the filesystem:
close -a
- List all available commands:
lr
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