text: #include <stdlib.h>
  #include <stdio.h>
  #include <unistd.h>
  #include <sys/types.h>
  #include <sys/wait.h>
  
  int main(int argc, char** argv)
  {
  	int status;
  	pid_t pid = 0;
  	pid = fork();
  	if (pid) {
  		printf("Hello world from parent!!\n");
  		waitpid(pid, &status, 0);
  	} else {
  		printf("Hello world from child!!\n");
  		printf("Child trying to exec Hello...\n");
  		execv("/bin/hello", argv);
  	}
  	return 0;
  }
  