HW11
COP-3402

1. What files comprise standard I/O?
2. Write a bash command that uses grep to find lines matching "hello" from standard in, redirected from a file called "my.in".
3. Why doesn't a program have to open the standard out file?
4. What syscall duplicates file descriptors? (There is more than one answer.)
5. Write a snippet of code that redirects a process's standard out to a file called "my.out".