Hi all.
How can I share a folder to everyone readonly and let specific users/groups write into it?

Think it's normal, even in family environment, for a user to has privilege to write (say father, to add videos) and others can read only.
Don't think this is an enterprise feature....at all.
Given this is a SAMBA based NAS, why not to let users have this simple control level?
I actually can tweak folder access manually thru SSH console, but it's lost when rebooting.
Thnx
Raf