add a second (multiple) owner / user for a folder (website folder)
66513
Give permission to debian-transmission to write into a www-data directory
21563
How to change permissions for a folder and its subfolders/files in one step?
55260
Can I create a user-specific hosts file to complement /etc/hosts?
77428
How do I copy a folder keeping owners and permissions intact?
62904
Create users dynamic names and assgin roles
114827
How to allow contributor users to add web parts
75369
Truly share a folder with multiple users on a computer
111166
Adding a user who can only execute scripts remotely
26488
Proper way to add a user account via bash script
1263
How can one link / merge / combine / associate two accounts / users? (Anonymous / unregistered / cookie, or Google / Facebook / registered)
20058
Mounting filesystem with special user id set
43025
Add new user and add meta at once
71015
How to activate quota for users on folders?
49755
How to add users to a FTP site in Windows 7's IIS?
28759
Change folder permissions and ownership
1663
Allow same user to add multiple links as possible duplicates
153070
INACTIVE_OWNER_OR_USER