Question: The fork 0 system call in UNIX a allows the child process to use the address space of the parent b . is not intended

The fork0 system call in UNIX
a allows the child process to use the address space of the parent
b. is not intended to be used when the child process calls exec0 immediately after creation
c. uses copy-on-write with the fork) call
d. duplicates all pages that are modified by the child process

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