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EC-Council: Computer Hacking Forensic Investigator(CHFI-V10)
Module 3 : Understanding Hard Disks and File Systems
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Bookmark this Question		QID: 531
Which of the following is a record of the characteristics of a file system, including its size, the block size, the empty and the filled blocks and their respective counts, the size and location of the inode tables, the disk block map and usage information, and the size of the block groups?
A:    Data block
B:    Block bitmap block
C:    Inode bitmap block
D:    Superblock
Explanation: Superblock: A superblock stores information pertaining to the characteristics of a file system It stores information such as file system size, file system type, blocks of the file system that are empty or filled, locations of inode tables and their sizes, block size of the file system, etc. To view superblock information of a file system, use the command: dumpe2fs /dev/sda1 | grep –i superblock Inode: An inode stores metadata pertaining to a file or directory on the Linux filesystem The inode number of a file stores attributes such as the size of the file, file type, permissions and access control, date/time, file location etc. To view the assigned inode numbers of files or directories, run the command: ls -il