usermod

[Ed Wilts]

On Wed, Mar 30, 2005 at 08:20:44AM -0600, Steve Buehler wrote:
> I know you can use "usermod" on RedHat Linux to add a user to another group 
> by typing:
> usermod -G sam,frank steve
> This would effectively add steve to the "frank" and "sam" group.  How do 
> you remove them from those groups without editing the /etc/group file 
> manually?  

man gpasswd.

This appears to be a very little-known tool.  I don't know why that's
so, but it is a great utility for exactly this reason.

To remove the group sam from user steve:

# gpasswd -d steve sam

-- 
Ed Wilts, RHCE
Mounds View, MN, USA
mailto:ewilts at ewilts.org
Member #1, Red Hat Community Ambassador Program