How to create a project in rails

New Project
rails project_name

Controller
project_name>ruby script\generate controller controller_name
project_name>ruby script\destroy controller controller_name

Model
project_name>ruby script\generate model model_name
project_name>ruby script\destroy model model_name

Migration
project_name>ruby script/generate migration migration_name

Plugin
project_name>ruby script/generate plugin plugin_name