What is Angular CLI, and what are its advantages?

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The Angular CLI ( ng ) is the official command-line tool for creating, building, and managing Angular projects. Hides the complexity of webpack, TypeScript config, and tooling setup. Scaffolding — ng new , ng generate component/service/module ; consistent file structure and naming. Build — ng build ; production bundles with optimization, tree shaking, AOT compilation. Dev server — ng serve ; hot reload, source maps, fast feedback. Testing — ng test (Karma/Jasmine), ng e2e (Cypress/Playwright). Linting and formatting — ESLint integration, schematics for code quality. Updates — ng update handles framework upgrades with codemods. Schematics — reusable code generators; libraries (Angular Material, NgRx) ship their own. Name `ng new`, `ng generate`, `ng serve`, `ng build`, `ng test`, plus `ng add` for schematics (`ng add @ngrx/store` = one-shot install + config) and `ng update` for framework upgrades.