Question: The copy-on-write mechanism is used as an optimization in the fork system call, so that a copy of a page is created only when one

The copy-on-write mechanism is used as an optimization in the fork system call, so that a copy of a page is created only when one of the processes (parent or child) tries to write on the page. Suppose a process p1 forks processes p2 and p3 in quick succession. Explain how a page sharing may be handled in this case.

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