the easiest solution is (If you have already installed angular) :

1 remove the ng alias if existing

unalias ng

2 add the correct alias

alias ng="/Users/<user_name>/.npm-global/bin/ng"

3 run ng serve for example and it will work and it will work

the easiest solution is (If you have already installed angular) :

1 remove the ng alias if existing

unalias ng

2 add the correct alias

alias ng="/Users/<user_name>/.npm-global/bin/ng"

3 run ng serve for example and it will work.