On Aug 13, 6:42 pm, Bjoern Schliessmann <usenet-
mail-0306.20.chr0n...@[...].com>  wrote:
>  milan_sanremo wrote:
>  > I've read the documentation on os.chmod() and can implement all
>  > the standard commands, but what is the syntax for the equivalent
>  > of chmod g + to set the group id?
> 
>  Group ID is set using os.chown.
> 
>  Regards,
> 
>  Bj�rn
> 
>  --
>  BOFH excuse #190:
> 
>  Proprietary Information.

The group ownership is set by chown, but the group id (setgid bit) is
set by chmod.