Deny someone else to edit the file
96170
Which access rights can't the superuser violate?
49153
User is able to edit a file using vim
122122
Block user access to certain tables
6764
How do file permissions work?
145134
Permissions to change only directory content and not itself
156799
Prevent people from downloading / copying / making a copy of data in Google doc
102295
How to purposefully exclusively lock a file?
22815
What can we do to stop bad edits getting accepted?
157207
Remove trivial edit restriction
56949
Want to prevent a user to access other user cases
151200
Is there anyway to remove denied permissions from a group for a folder if I dont have access?
40903
Why is rm allowed to delete a file under ownership of a different user?
59620
Hide a Field From ONE User
60463
Editing sudoers file to restrict a user's commands
107850
Can I restrict a user to use special programs?
15779
Make file in linux readonly
54210
Change files with Editor that need sudo permissions