I have a file that doesn't have owner and group and hence I can not delete it. Could somebody let me know how to delete it? office@office-PC /tmp $ ll total 0 -rw-r--r-- 1 ???????? ???????? 0 2009年11月28日 10:12 foo.sh office@office-PC /tmp $ chown office foo.sh chown: changing ownership of `foo.sh': Permission denied office@office-PC /tmp $ rm foo.sh rm: remove write-protected regular empty file `foo.sh'? y rm: cannot remove `foo.sh': Permission denied -- Problem reports: http://cygwin.com/problems.html FAQ: http://cygwin.com/faq/ Documentation: http://cygwin.com/docs.html Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple