debugfs

An interactive ext2/ext3/ext4 filesystem debugger.

• 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

Copyright © 2014—present the tldr-pages team and contributors.

This work is licensed under the Creative Commons Attribution 4.0 International License (CC-BY).