Artie-s-Computer-4:~ artie$ find -f /bin /sbin /usr -type f -size -1c -not -path '*/groff/*' -exec ls -ldF@ {} + find: /usr/share/wikid/help/en.lproj/wiki: Permission denied Artie-s-Computer-4:~ artie$ sudo find -f /bin /sbin /usr -type f -size -1c -not -path '*/groff/*' -exec ls -ldF@ {} + Password: Artie-s-Computer-4:~ artie$