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3. (25pts) File system implementation: a. Given a filename in a directory's data block, how does OS locate the data block of a file? (5pts)

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3. (25pts) File system implementation: a. Given a filename in a directory's data block, how does OS locate the data block of a file? (5pts) b. Compare between direct pointers and indirect pointers in referencing data blocks. (10pts) c. Given a 6GB file, identify the number of index level needed when using indirect pointer. (10pts) a

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