What is superblock?

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What is superblock?

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The superblock is an area in a storage device of a Linux computer, which stores various bits of information about a file system, such as a pointer to the free blocks structure, the number of free inodes, etc. In case the superblock is damaged and cannot be read, an error message is generated by the system. In this case, the E2FSCK utility is used to troubleshoot the issue by passing the superblock parameter manually.


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