boyd@bht-lenovo:~/projects/PackageKit> l /usr/lib/PolicyKit/polkit-*
-rwxr-sr-x 1 root polkituser 14105 2007-12-13 13:54 /usr/lib/PolicyKit/polkit-explicit-grant-helper*
-rwxr-sr-x 1 root polkituser 23993 2007-12-13 13:54 /usr/lib/PolicyKit/polkit-grant-helper*
-rwsr-xr-x 1 root root       14341 2007-12-13 13:54 /usr/lib/PolicyKit/polkit-grant-helper-pam*
-rwxr-sr-x 1 root polkituser 14444 2007-12-13 13:54 /usr/lib/PolicyKit/polkit-read-auth-helper*
-rwxr-sr-x 1 root polkituser 14292 2007-12-13 13:54 /usr/lib/PolicyKit/polkit-revoke-helper*
-rwxr-sr-x 1 root polkituser 14016 2007-12-13 13:54 /usr/lib/PolicyKit/polkit-set-default-helper*