On Fri, 2017-07-07 at 12:31 +0100, John Hodrien wrote: > On Fri, 7 Jul 2017, Bill Gee wrote: > > > File permissions are 574. Note that owners are NOT required to have higher > > permissions than groups! > > But the owner can change the permissions, no? Not necessarily. In order to change permissions on a file you need to have write access to the directory (i.e. the special file in the parent directory that describes the files present in the directory). The owner of a file does not necessarily have those permissions in a normal directory. P.