How create a directory with full permiss for everybody

[Paul Howarth]

Tony Nelson wrote:
> At 5:22 PM +0200 8/11/06, brouwers roland lx wrote:
>  ...
>> I created a directory chmod 777 owner tdp group tdpgr
>> as a user frank I created a file, the owner is frank the group is tdpgr
>> the permissions were -rw-r--r--
>> as a user roland I opened the file and of course it was read only.
>>
>> So please explain me how you do it, because I can't.
> 
> When a file is created, it is given the owner of its creator and the
> default group of its creator.  For it to be "in" another group, chgrp must
> be called to set that group.

Not necessarily. If you make the directory owned by a particular group 
and then set the sgid bit on the directory (chmod g+s /path/to/dir) then 
new files created in that directory will have the same group as the 
directory itself by default.

Paul.