The best way to read this guide is to follow it step by step. All steps are essential to run this example application and no additional code or steps are needed.
By following along with this guide, you’ll create a Rails project called blog, a (very) simple weblog. Before you can start building the application, you need to make sure that you have Rails itself installed.
The examples below use $ to represent your terminal prompt in a UNIX-like OS, though it may have been customized to appear differently. If you are using Windows, your prompt will look something like C:\source_code>.