angular create a service

>>> ng generate service service_name
or
>>> ng generate service /folder-name/service-name

For Creating Service you have type command like below
ng generate service service-name
or
ng g s service-name

And if you want to make service into folder
ng generate service /folder-name/service-name
or
ng g s /folder-name/service-name

import { <service name>Service } from '../<service path>';