Explain the CLI.
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Understand the problem
cli
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Attempt it yourself
Sketch your approach before reading the solution — that's what interviews test.
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Get a conceptual hint to guide your logic without spoiling the final implementation.
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Study the solution
The solution is waiting
Give it an honest attempt first — then compare your thinking with the full walkthrough.
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Read the code
Everyday CLI commands
# scaffold a new app
ng new my-app --routing --style=scss
# generate a component and a service
ng generate component user-list
ng generate service data
# develop with live reload
ng serve --open
# production build (AOT, optimized, hashed)
ng build --configuration production
# add a library, then upgrade Angular across a major version
ng add @angular/material
ng update @angular/core @angular/cli05
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