Install Fish Shell on Mac OS X and Ubuntu

fish is a smart and user-friendly command line shell for OS X, Linux, and the rest of the family

Add color to the bash terminal in Mac OS X

http://www.mkyong.com/mac/add-color-to-the-bash-terminal-in-mac-os-x/

Bash Completion for Mac OS X

http://blog.jeffterrace.com/2012/09/bash-completion-for-mac-os-x.html

.bash_profile or .bashrc in OS X?

http://smallthingsfloat.com/2013/03/30/bash_profile-or-bashrc-in-os-x/ http://www.joshstaiger.org/archives/2005/07/bash_profile_vs.html

The missing package manager for OS X

http://brew.sh/

A powerful and stable keyboard customizer for OS X

https://pqrs.org/macosx/keyremap4macbook/

Use global hotkeys to launch, hide and quick peek applications

http://www.apptivateapp.com/