Command Description
rails application Creates a rails application with directories for the model, view, and controller classes/files
ruby script/server Starts the WEBrick server, which may be accessed at the URL http://localhost:3000
ruby script/generate model modelname Creates a model ruby script; a model class extends the ActionRecord::Base class
ruby script generate controller controllername action1, action2… Creates a controller ruby script; a controller class extends the ActionController::Base class and defines controller actions
ruby script generate migration migrationname Creates a migration script; a migration class extends the ActionRecord::Migration class and is used to create a database table

Table 1 Ruby on Rails Commands
Ruby on Rails provides commands for generating a Rails application and model and controller classes.