what is the latest version of angular cli code example

Example 1: update angular cli

For updating angular cli type this command :
ng update @angular/cli @angular/core

Example 2: install angular cli

npm install -g @angular/cli    //make sure you have node/npm installed 
ng new <appname>        //  eg:  ng new my-app
cd <appname>       // cd my-app
ng serve

Example 3: install angular cli version

Install Specific Version (Example: 6.1.1)
npm install -g @angular/[email protected]