Stupid question about GitHub and forks?

Question

GitHub

If I fork a repository and then make changes to the original repository, will they show up in my fork?
If yes, how to make them not appear?
If not, how can I make them appear / appear?

Answer 1

If I fork a repository and then make changes to the original repository, will they show up in my fork?

No.

If not, how can you make them appear?

There is an official tutorial .