https://stackoverflow.com/questions/5694741/why-is-the-output-of-du-often-so-different-from-du-b df uses superblock info to get consumed blocks/disk size. du with -b prints actual file size instead of the disk space used by the files.
https://stackoverflow.com/questions/5694741/why-is-the-output-of-du-often-so-different-from-du-b df uses superblock info to get consumed blocks/disk size. du with -b prints actual file size instead of the disk space used by the files.