TLDR
Enter a command. For example: free, ego, script, mkfs.fat, readelf.

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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