e) {wait(NULL);execlp("./batman", "./batman", (char*)8);elseexeclp("./merlin",". /merlin", (char*)e);return 42;Here are the two programs called by arrow :/* batman.c */int main(void) {open(...

e) { wait(NULL); execlp("./batman", "./batman", (char*)8); else execlp("./merlin", ". /merlin", (char*)e); return 42; Here are the two programs called by arrow : /* batman.c */ int main(void) { open( "filel",1); printf("Batman"); fflush(stdout); close(1); return 24; /* merlin.c */ int main(void) ( open("filel",1); printf("Merlin"); fflush(stdout); close(1); return 24; After the program runs what does the command echo S? produce? Character for character file1 contains exactly the characters: "/>
Extracted text: Assume that filel exists and is empty. Consider what happens when the the program arrow is run. /* arrow.c/ int main(void) ( close(1); open("filel",1); printf("Madman versus Arrow!"); fflush(stdout); close(1); if (fork() > e) { wait(NULL); execlp("./batman", "./batman", (char*)8); else execlp("./merlin", ". /merlin", (char*)e); return 42; Here are the two programs called by arrow : /* batman.c */ int main(void) { open( "filel",1); printf("Batman"); fflush(stdout); close(1); return 24; /* merlin.c */ int main(void) ( open("filel",1); printf("Merlin"); fflush(stdout); close(1); return 24; After the program runs what does the command echo S? produce? Character for character file1 contains exactly the characters: