What does the command dumpe2fs-h do?

The command dumpe2fs -h is used to display the superblock and block group information of an ext2/ext3/ext4 filesystem in a human-readable format. It provides details such as the filesystem's size, the number of inodes, block size, and other key metadata. This command is useful for diagnosing filesystem issues or understanding filesystem parameters. Note that it requires superuser privileges to access the filesystem information.