root@wintermute:~# namei -m /root/XenBackup/Xen_PXE_Install/webroot/
f: /root/XenBackup/Xen_PXE_Install/webroot/
drwxr-xr-x /
drwx—— root
drwxrwxrwx XenBackup
drwxrwxrwx Xen_PXE_Install
drwxrwxrwx webroot
Very useful to troubleshoot Apache2 403 permission errors when the document root has been changed from the default