잘가요
Hi!!! ^-^ ~
I am French and I learn Korean,
so I wonder how you say goodbye usually someone you know. :)

Thank you very much for your answers!!!
Bye! ^__^

Question

잘가요
Hi!!! ^-^ ~ 
I am French and I learn Korean,
so I wonder how you say goodbye usually someone you know. :)

Thank you very much for your answers!!!
Bye! ^__^

Answer

There are several ways you could say this as other languages.

안녕 this could be "hi" and "bye" depending on situations /circumstances 
잘가: good bye
다음에 봐: see you later

I think there are some other ways as well, but above are what I can think of at the moment.