312-49 · Question #347
What does the superblock in Linux define?
The correct answer is C. location of the first inode. In Linux filesystems (e.g., ext2/3/4), the superblock is a critical metadata structure that defines the overall filesystem layout. It stores information such as the total block count, free blocks, free inodes, block size, and crucially - the location of the inode table (which…
Question
What does the superblock in Linux define?
Options
- Afile synames
- Bdisk geometr
- Clocation of the first inode
- Davailable space
How the community answered
(33 responses)- A3% (1)
- B3% (1)
- C94% (31)
Explanation
In Linux filesystems (e.g., ext2/3/4), the superblock is a critical metadata structure that defines the overall filesystem layout. It stores information such as the total block count, free blocks, free inodes, block size, and crucially - the location of the inode table (which begins with the first inode). Without the superblock, the OS cannot locate or mount the filesystem. Disk geometry (B) is a lower-level concern handled by the partition table. File system names (A) and available space summaries (D) are derived from or stored elsewhere.
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