What will this program do?
int main() {
fork();
execl("/bin/ls", "/bin/ls", NULL);
printf("hello");
}

Question

What will this program do? 
 int main() { 
 fork(); 
 execl("/bin/ls", "/bin/ls", NULL); 
 printf("hello"); 
 }

Answer

run ls twice and print hello twice

Answer

run ls twice and print hello twice, but output will appear in some random order

Answer

one process will run ls, another will print hello

Answer

run ls twice

Answer

run ls once

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