The dumpe2fs command is used to print the super block and blocks group information for the filesystem present on device. Can be used with ext2/ext3/ext4 filesystem for information. The printed information may be old or inconsistent when it is used with a mounted filesystem.

What is the use of e2fsck command in Linux?

e2fsck is used to check the ext2/ext3/ext4 family of file systems. For ext3 and ext4 filesystems that use a journal, if the system has been shut down uncleanly without any errors, normally, after replaying the committed transactions in the journal, the file system should be marked as clean.

What is the use of tune2fs in Linux?

tune2fs allows the system administrator to adjust various tunable filesystem parameters on Linux ext2, ext3, or ext4 filesystems. The current values of these options can be displayed by using the -l option to tune2fs(8) program, or by using the dumpe2fs(8) program.