A better way of contiguous allocation to extend the file size

a-better-way-of-contiguous-allocation-to-extend-the-file-size

A better way of contiguous allocation to extend the file size is _____________

A. adding an extent (another chunk of contiguous space)

B. adding an index table to the first contiguous block

C. adding pointers into the first contiguous block

D. none of the mentioned

I have been asked this question in quiz.

Question is from File System Implementation topic in chapter File Systems and their Implementation of Operating System

Right choice is A. adding an extent (another chunk of contiguous space)

Easiest explanation – None.