>Might have been ls -Rlt / or something like that. Ha, I used to do that sometimes, to make long-running disk I/O happen so that I could check something or the

>Might have been ls -Rlt / or something like that. Ha, I used to do that sometimes, to make long-running disk I/O happen so that I could check something or the other that needed the I/O happening. Redirecting a process's output to /dev/null and putting it in the background with & can also be useful for many things.