Both in an informal setting.
It's more commonly used for "hi" but I have also heard it used for "bye". As someone else said, it is informal, between friends, so only use it with people you'd use "tu" rather than "vous" with.
It's more commonly used for "bye" but i have also heard it used for "hi".
I am french. :-)
OK, thanks for explaining.
Yes but bye is..................a plus