2009年10月13日 Matthias Meyer: > But nevertheless, user Backup can access the directory as well as the files Does user "Backup" have Administrator privileges? In that case you've got no chance. Andy -- 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