How to get a list of usernames assigned to a group in FreeBSD 11.1?
This Question asks for a list of users or a list of groups.
This Question asks for users who happen to be members of multiple specific groups.
➥ But how to ask simply for a list of users currently assigned to a single specific group, such wheel?
I prefer a solution in a single command if possible. But if not feasible, a script would be useful and educational.