Multiple choice technology operating systems

Name the data structure used to maintain file identification?

  1. dir

  2. page

  3. inode

  4. istr
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C Correct answer
Explanation

In Unix file systems, an inode (index node) is the fundamental data structure that stores file metadata and identification information. Each file has a unique inode number that the filesystem uses to identify and track it, regardless of the file's name or location in directories. A 'dir' is a file containing directory entries, not the identification structure itself.

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