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UGC-NET | UGC NET CS 2016 July – III | Question 51

  • Last Updated : 24 Apr, 2018

Which of the following information about the UNIX file system is not correct?
(A) Super block contains the number of i-nodes, the number of disk blocks, and the start of the list of free disk blocks.
(B) An i-node contains accounting information as well as enough information to locate all the disk blocks that holds the file’s data.
(C) Each i-node is 256-bytes long.
(D) All the files and directories are stored in data blocks.


Answer: (C)

Explanation: UNIX file system:

  • Super block contains the number of i-nodes, the number of disk blocks, and the start of the list of free disk blocks.Correct
  • An i-node contains accounting information as well as enough information to locate all the disk blocks that holds the file’s data.Correct
  • All the files and directories are stored in data blocks.Correct
  • Each i-node is 256-bytes long.Incorrect.It is 128 byte long.

So, option (C) is correct.

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