You may also try copying over a valid groups file from a different machine.
On Mon, Dec 13, 2010 at 2:15 AM, Jan Stary <h...@stare.cz> wrote: > On Dec 13 12:01:58, OpenBSD Geek wrote: > > I have 100 users in groups : clients, and ftp_group > > How can i remove these 100 users from ftp_group ? > > I have already try usermod, but it only add users to group, not remove. > > Is there a way to achieve my task ? > > Sadly, no. These users will be members of these groups forever. > There's nothing you can do about it. You can only reinstall.