# ng > Command-line Interface (CLI) for creating and managing Angular applications. > More information: . - Create a new Angular application inside a directory: `ng new {{project_name}}` - Add a new component to one's application: `ng generate component {{component_name}}` - Add a new class to one's application: `ng generate class {{class_name}}` - Add a new directive to one's application: `ng generate directive {{directive_name}}` - Run the application with the following command in its root directory: `ng serve` - Build the application: `ng build` - Run unit tests: `ng test` - Check the version of your current Angular installation: `ng version`