Including the initial parent process, how many processes are created by the program shown below? Justify your answer with a brief explanation.

int main$()$

$\{$

$/*$ fork a child process $*/$

fork$()$;

fork$()$;

fork$()$;

fork$()$;

int i;

for $($i$=0$; i $<7$; i$++)$

fork$()$;$/*$ fork another child process $*/$

fork$()$;

return $0$;

$\}$