Finding largest files and directories in Linux

# TODO link with pop-up describing each cmd in more detail..
# black-font text w/ no underline?
root_dir=/
sudo du -a $root_dir | sort -n -r | head -n 5

Resetting your terminal

# http://www.tldp.org/HOWTO/Keyboard-and-Console-HOWTO-4.html"># http://www.tldp.org/HOWTO/Keyboard-and-Console-HOWTO-4.html
echo -e \\033c