Redirecting Output (adv)

    $ touch -t 200401211152 /tmp/ts
    $ find / -newer /tmp/ts -print  2>err.txt >youngfiles

You can actually redirect any file descriptor to any other.
Redirect stderr to stdout:

    $ find private/* public/* 2>&1 | more
    ....

"Swap" stderr and stdout:

    $ find private/* public/* 3>&2 2>&1 1>&3 3>&- | more
    ....