drwxr-xr-x root/root usr/ drwxr-xr-x root/root usr/lib/ drwxr-xr-x root/root usr/lib/nagios/ drwxrwxr-x nagios/nagios usr/lib/nagios/plugins/ -rwxrwxr-x nagios/nagios usr/lib/nagios/plugins/check_nrpe