Strange when add user to group in Ubuntu
58523
Why is the output from `groups` different from `groups user` if Im currently logged in as user?
66647
How do I add a user to the "sudo" group?
89489
How to restore default group/user ownership of all files under /var?
156982
How to restore/add previous user account
147040
Is there a way to see System Information before first user is added?
141898
Can I automatically add a guest user (guest-session) to a user group? How can I do it)
89663
bash: adduser: command not found on centOS
102116
How Should I Correct the Owners and Permissions in an OS X User Folder?
1291
I added a user to a group, but group permissions on files still have no effect
58509
Error message id: cannot find name for group ID after logging in
103789
Customer Community Plus User Cannot Add Other User
43214
What command changes the Group setting for a directory?
121991
Group within group file permissions
26787
Precedence of user and group owner in file permissions
78746
Getting new files to inherit group permissions on Linux
140296
How does SQL Server handle logins when the user is a part of multiple groups with various privileges?
20211
Strange behaviour of 'sudo chmod -rwx': Does not remove group write permissions