Chapter 1. Command Line
This chapter will cover the following recipes:
- Interactive Elixir (IEx):
- Using the terminal to prototype and test ideas
 - Loading and compiling modules
 - Getting help and accessing documentation within IEx
 - Using Erlang from Elixir
 - Inspecting your system in IEx
 - Inspecting your system with Observer
 
 - Mix:
- Creating a simple application
 - Managing dependencies
 - Generating a supervised application
 - Generating umbrella applications
 - Managing application configuration
 - Creating custom Mix tasks