We will be setting up a Ruby on Rails development environment on Windows 10.The reason we're going to be using Bash on Ubuntu on Windows because it allows you to run Linux on your Windows machine. Most Ruby on Rails tutorials and dependencies work best on Linux, so this allows you to get the best of both worlds.

We will be setting up a Ruby on Rails development environment on Ubuntu 16.04 Xenial Xerus.

The reason we're going to be using Ubuntu is because the majority of code you write will run on a Linux server. Ubuntu is one of the easiest Linux distributions to use with lots of documentation so it's a great one to start with.

We will be setting up a Ruby on Rails development environment on Mac OS X 10.11 El Capitan.

Older versions of OS X are mostly compatible so follow along as far as you can and then Google search for any problems you run into. There are plenty of people who have documented solutions for them.

Ways of Installing Ruby

On Linux/UNIX, you can use the package management system of your distribution or third-party tools (rbenv and RVM).

On OS X machines, you can use third-party tools (rbenv and RVM). On Windows machines, you can use RubyInstaller.

After reading this guide, you will know:

• How to install Rails, create a new Rails application, and connect your application to a database.
• The general layout of a Rails application.
• The basic principles of MVC (Model, View, Controller) and RESTful design.
• How to quickly generate the starting pieces of a Rails application.