How to create path redirections

Question

I want to create internal path redirections like in Wordpress e.g.

if i have a post (having permalink = 'hello-world') but still if I type 'http://localhost/hello/', I get redirected to 'http://localhost/hello-world'

So what code do i use to automatically go to that page with that correct URI, i.e. change the URI that gets displayed in the address bar. Perhaps this is something other than using .htaccess rules (except the use of it for facilitating the basic presence of permalinks)??

perhaps this question might be a little trivial but i couldn't seem to find effective help on google.

Answer 1

Question answered. Found a dupe which didn't show up while posting the question.

apologies.