Including the initial parent process, how many processes are created by the following program? $($run the program and show your work for credit$)$

#include

#include

int main$()\{$ int i;

for $($i $=1$; i $<=3$; i$++)\{$

fork$()$;

$\}$

$//$ Some code here to do something in each process

return $0$;

$\}$