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Which of the following information about the UNIX file system is not correct?

  1. Super block contains the number of i-nodes, the number of disk blocks, and the start of the list of free disk blocks
  2. An i-node contains accounting information as well as enough information to locate all the disk blocks that holds the file's data
  3. Each i-node is 256-bytes long
  4. All the files and directories are stored in data blocks
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In unix inode is by default 256 bytes long.But it is of variable size depending on operating system.

hence option "c" is correct ans.

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