How bash works with .bashrc, .bash_profile and .profile - there differences with examples

Ao's lab of everything (www.frankliuao.com) humbly offers you this tutorial video on How bash works with .bashrc, .bash_profile and .profile files in your OSX/Linux systems. The difference of these files are explained with examples. It helps you understand and utilize your configuration files so you don't run into unexpected results Thank you!