Sudo, the one command to rule them all. It stands for “super user do!” Pronounced like “sue dough” As a Linux system administrator or power user, it’s one of the most important commands in your arsenal. Have you ever tried to run a command in terminal only to be given “Access Denied?” Well this is the command for you! But, with great power comes great responsibility! It is much better than logging in as root, or using the su “switch user” command. Read on to see what sudo can do for you!