If you think you have installed angular but you still see issues, then try this:

1. Uninstall Everything

2. Re-install

Now have a look in your global NPM folder, it should be something like "/Users/j.jones/.npm-global/bin/". In here you should see your angular CLI files. To test if everything works, try typing:

If this does not work, then try manually adding an alias that mappings ng to your ng folder, like so:

I've also had issues where I have not had 'sudo' permissions. To get around this you can change your global path. To do this you can do something like this within your ~/.bash_profile :