Unix Fork

from
http://www.eng.cam.ac.uk/help/tpl/unix/fork.html

#include
#include
#include
using namespace std;
int main(){
pid_t pid;
int status, died;
switch(pid=fork()){
case -1: cout << "can't fork\n";
exit(-1);
case 0 : sleep(2); // this is the code the child runs
exit(3);
default: died= wait(&status); // this is the code the parent runs
}
}