[Gllug] File permissions and umask on Ubuntu (and I think probably, Debian)
Anthony Newman
anthony.newman at ossified.net
Sun Jan 7 18:04:03 UTC 2007
John Winters wrote:
> Anthony Newman wrote:
>> John Winters wrote:
>>> If you know a way of achieving this kind of file sharing without
>>> setting umasks to 0002 then I'd love to hear it. Asking users to
>>> keep changing their umasks depending on what kind of work they're
>>> doing is *not* feasible.
>>
>> It appears that your only problem is non-propagation of group writable
>> bits to subdirectories
>
> and the files therein
>
Not really. Directory write permissions override the permission on
individual files contained within them. If the dirs are g+w, all users
in the same group as the directory may change or delete the files
inside, even if the files are a-w. This is slightly paradoxical, but
nonetheless true :)
Ant
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