drwxr-xr-x	root/root	usr/
drwxr-xr-x	root/root	usr/bin/
-rwxr-xr-x	root/root	usr/bin/formail
-rwxr-sr-x	root/root	usr/bin/lockfile
-rwxr-xr-x	root/root	usr/bin/mailstat
-rwsr-sr-x	root/root	usr/bin/procmail