Does root has access of files that he doesn't own?
102960
How do file permissions work for the "root" user?
155625
Why can't I change the permissions of files I have access to?
93558
Hide files from root in ubuntu
113562
Accessing a folder that I can't "name" in the shell
57396
Folder permissions, red x on user object
108911
How can I get root-like permissions so I can download stuff from the software center?
61365
Is it possible to reset all folder permissions?
127738
Can root/superuser read my read-protected files?
103006
Having links relative to root?
130738
Folder access permissions - how do they work?
19201
Accessing files in a directory without x-permission?
102116
How Should I Correct the Owners and Permissions in an OS X User Folder?
5494
Permission denied, are you root?
29796
Linux local directory permissions as question-marks for non-root
77555
Home folder in `root` and not in `home`... I'm confused!
26787
Precedence of user and group owner in file permissions
132058
Back up and restore file permissions