Consider the directory foo owned by root with mode 700.
As a normal user:
user% ls -l foo
ls: foo: Permission denied
As root, but root isn't trusted by server:
untrusted# ls -l foo
total 0
As root, but root is trusted by server:
trusted# ls -l foo
total 456
...
I find it extremely undesirable that the untrusted root sees an empty
directory instead of getting the permission denied message.
--Lee Hetherington
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