Drush is the command line shell and Unix scripting interface for Drupal. The most common way to install Drush is to install it on a per-project basis using Composer. We'll walk through the steps to do that, as well as how to make it possible to execute Drush commands without having to specify a full path to the executable every time.

In this tutorial we'll:

• Install Drush
• Verify it worked
• Look at options for adding Drush to your $PATH

By the end of this tutorial, you should be able to install Drush and verify that it is working.