# Good One-Page Referece 
http://steve-parker.org/sh/cheatsheet.pdf

# Tutorial Site related to the above
https://www.shellscript.sh

# Great guide on what you should not do
http://mywiki.wooledge.org/BashPitfalls

# More discussion about globbing and files
https://www.dwheeler.com/essays/filenames-in-shell.html

# Wallpaper as command line reference
http://sh.mdsc.info/images/linux-wallpaper.jpg