Bash Configurations Demystified for Linux and OS X (dghubble.org)

This was immensely helpful. Thank you for posting this.

Also check out:

http://www.tldp.org/HOWTO/From-PowerUp-To-Bash-Prompt-HOWTO....

Moved to http://dghubble.com/.bashprofile-.profile-and-.bashrc-conven...