Can I add to my groups in the current (shell) process?
10843
How to allow to run su instantly after I added the user to the appropriate group
43214
What command changes the Group setting for a directory?
39974
How can I programmatically add members to a group?
124273
Change user id and group id ownership of files within a tarball?
31172
What's the equivalent of "add or remove programs" in Ubuntu?
88114
What is the best way to add a user to the sudoer group?
102089
After adding a group, logout+login is not enough in 18.04?
29147
How to add the current project path in Print Composer?
62818
Giving group permissions to other user's files
22915
Make all new files in a directory accessible to a group
154957
Group permissions allow, but still get permission denied
96558
Controlling Categories in Script Validation Tools - Expanding Groups By Default
24564
Can a Linux user belong to more than one group?
144629
From command line on macOS, how to add a user group to the Sharing and Permissions list for a directory?
66647
How do I add a user to the "sudo" group?
89489
How to restore default group/user ownership of all files under /var?
133367
Turning off swapping for only one process with cgroups?