Question: How many disk operations are needed to fetch the i-node for the file /usr/ast/courses/os/a.txt? Explain. Assume that the i-node for the root directory is in

How many disk operations are needed to fetch the i-node for the file /usr/ast/courses/os/a.txt? Explain. Assume that the i-node for the root directory is in the memory, but nothing else along the path is in memory. Also assume that all directories for a given i-node fit in one disk block.

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