instalar angular cli global code example
Example 1: install angular cli
npm install -g @angular/cli
ng new my-dream-app
cd my-dream-app
ng serve
Example 2: angular cli update
content_copy
ng update @angular/cli @angular/core
npm install -g @angular/cli
ng new my-dream-app
cd my-dream-app
ng serve
content_copy
ng update @angular/cli @angular/core