devise generate controller

rails generate devise:controllers [scope]

• rails: Refers to the Rails command line tool.
• generate: Tells Rails to generate code.
• devise:controllers: Specifies that we want to generate controllers related to Devise, a popular authentication solution for Rails.
• [scope]: Optional argument specifying the scope or name of the controllers to generate. If omitted, it generates all default Devise controllers.

This command generates controller files associated with Devise, allowing customization and extension of Devise's authentication controllers to fit the specific needs of the application.