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Previous Year Question (PYQs)

How many child processes will be created by following fork() system call?
fork();
fork();
fork();
fork();




Solution

Given: 4 calls to fork().

Formula: Total processes created = 2^n

Calculation:

  • Total processes = 2^4 = 16
  • Child processes = 16 - 1 = 15

Answer: 15 child processes


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