What is printed by the following program assuming that the fork and exec are both completed successfully and that the echo program produces no output? Choose all possible answers [;; means new line in the answers shown.]

main() {

pid_t pid;

if ((pid=fork()) == -1) {

} else if (pid==0){

execl(/bin/echo, /bin/echo, , NULL);

printf(Sammy );

}

printf(oh No! );

wait();

printf(Jane here );

return EXIT_SUCCESS;

}

A. Sammy ;; oh No!

B. oh No! ;; Sammy ;; Jane here

C. Sammy

D. Sammy ;; oh No! ;; Jane here

E. oh No! ;; Jane here

===================================================

Please ANSWER IN DETAILS to get upvote