2007/10/18, Christos Zoulas <christos@zoulas.com>:
>
> Hello,
>
> Someone (who prefers to be anonymous) sent me a patch to add the ability
> to su to set the primary group on the command line, like newgrp does.
> So we can have:
>
>         su user
>         su user:group
>         su :group (equivalent to newgrp)
>
> This is useful for executing commands from cron or whatever, and
> controlling the group explicitly.  The code is already committed,
> but disabled. I am thinking of enabling it, but I want to make sure
> first that people don't object to it, and that it does not introduce
> any security issues.
>
> Comments?
>
> christos
>

go for it.

zafer.