Users, groups and directory access

[Matthew Miller]

On Wed, May 05, 2004 at 03:30:07AM -0500, David L Norris wrote:
> # root can change john's group membership like this
> usermod -G proj john

This is bad because it *replaces* the current list of groups. If john was
previously a member of 'staff' or 'proj2', that would be removed. This is
why gpasswd -a is usually better.



> > How can john change his primary group on the commandline?
> newgrp proj

But this is basically obsolete -- there's almost never a reason to do this.

-- 
Matthew Miller           mattdm at mattdm.org        <http://www.mattdm.org/>
Boston University Linux      ------>                <http://linux.bu.edu/>