[7685] Starting main program
[7685] child pid is 7686
[7686] started child process for 1
[7685] child pid is 7687
[7687] started child process for 2
[7685] child pid is 7688
[7688] started child process for 3
[7686] done with child process for 1
[7685] done with pid 7686
[7687] done with child process for 2
[7685] done with pid 7687
[7688] done with child process for 3
[7685] done with pid 7688
[7685] End of main program