# sudo > execute a command as another user - Listing of an unreadable directory: `sudo ls /usr/local/scrt` - To list the home directory of non-root user `sudo -u Jhon ls ~Jhon` - To edit a file as user www: `sudo -u www vi /var/www/index.html` - To shutdown the machine: `sudo shutdown -r +10 "Cya soon!"` - To repeat the last command as sudo `sudo !!`