cp and mv behave differently when trying to overwrite an in-use executable: $ cp mintty.exe /bin cp: cannot create regular file `/bin/mintty.exe': Device or resource busy $ mv mintty.exe /bin [works fine] That's on 1.7. On 1.5, both cp and mv fail. Is that as expected? 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