Can a user reside in one group, but write from another?
62818
Giving group permissions to other user's files
57189
Adding more than one author with different affiliation
141028
Can a Mac be used by multiple users at same time?
62442
Simplest way to jointly write a manuscript?
43079
Permissions for SSIS/SQL Server agent jobs for multiple user groups
111126
Create a \savebox in a Group and have it available outside of group
30061
How should I add users non-interactively?
141898
Can I automatically add a guest user (guest-session) to a user group? How can I do it)
139483
Exclusive differences Profiles vs permission sets?
154957
Group permissions allow, but still get permission denied
61026
How to apply changes of newly added user groups without needing to reboot?
69419
How to add a user without /home?
54152
How to give different permissions to multiple groups of users?
114871
Hide processes from other users based on groups (under Linux)?
1291
I added a user to a group, but group permissions on files still have no effect
18906
Can a file be edited with the 'write' permission on it but not on its parent directory?
1598
What's the policy about having multiple user accounts?