Sudo
From wikinotes
sudo allows you to assign/limit super-user privileges to users/groups.
Documentation
man sudo
https://man.archlinux.org/man/core/sudo/sudo.8.en man sudoers
https://man.archlinux.org/man/core/sudo/sudoers.5.en
Tutorials
https://www.youtube.com/watch?v=o0purspHg-o sudo: you're doing it wrong (talk by michael w lucas)
Notes
sudo usage sudo configuration sudo troubleshooting