change owner and read write permission of file
6764
How do file permissions work?
99053
Why does chmod succeed on a file when the user does not have write permission on parent directory?
33279
How do I set up a folder so that anything created in it inherits permissions?
142770
How to make apache open files that have only owner execute permission for all users?
150867
Unable to change execute permissions of .sh file
125558
Why Changing Permissions For Some Systems Files is Not Allowed?
96649
Understanding file permissions
125491
Chmod to allow read and write permissions for directory
26787
Precedence of user and group owner in file permissions
145134
Permissions to change only directory content and not itself
132662
Minimum file permissions to rename file
50538
Why does chmod +w not give write permission to other(o)
26065
granting write permissions to a group to a folder
35350
What is the number between file permission and owner in ls -l command output?
156789
How can I grant guest accounts read (or read-write) permission on a folder outside their home?
42092
Unable to read file although member of group with read permissions
117975
ALTER DEFAULT PRIVILEGES - permission denied