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When a process executes a fork() system call, a duplicate process (i.e. the child process) is created. How doesthe code in the processes – since it is identical in both the parent and child processes – know which process is theparent and which is the child?

Question

When a process executes a fork() system call, a duplicate process (i.e. the child process) is created. How doesthe code in the processes – since it is identical in both the parent and child processes – know which process is theparent and which is the child?

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Step 1

The “fork()” system call:

  • The “fork()” system call is employed to create a new process called child process.
  • The child process can simultaneously run with the parent p...

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