Sudo

Also known as super user do, substitute user do

'''''' ( or ) is a shell command on Unix-like operating systems that enables a user to run a program with the security privileges of another user, by default the superuser. It originally stood for "superuser do", as that was all it did, and this remains its most common usage; however, the official Sudo project page lists it as "su 'do. The current Linux manual pages define as "substitute user", making the modern meaning of "substitute user, do", because can run a command as other users as well.