PYTHON

fork function in python

# Python code to create child process 
import os
  
def parent_child():
    n = os.fork()
  
    # n greater than 0  means parent process
    if n > 0:
        print("Parent process and id is : ", os.getpid())
  
    # n equals to 0 means child process
    else:
        print("Child process and id is : ", os.getpid())
          
# Driver code
parent_child()

Python os.fork() function

#!/usr/bin/env python
# -*- coding: utf-8 -*-

import os
import time

for i in range(2):
    print '**********%d***********' % i
    pid = os.fork()
    if pid == 0:
        # We are in the child process.
        print "%d (child) just was created by %d." % (os.getpid(), os.getppid())
    else:
        # We are in the parent process.
        print "%d (parent) just created %d." % (os.getpid(), pid)