New posts in Group

How can I change a user's default group in Linux?

What is the purpose of `/etc/group-`

what is 'nogroup' group's purpose

How to apply changes of newly added user groups without needing to reboot?

GID, current, primary, supplementary, effective and real group IDs?

Changing Unix group for files

Make all new files in a directory accessible to a group

I added a user to a group, but group permissions on files still have no effect

Meaning of root:wheel

Where did the "wheel" group get its name?