directory mask = 2770

[Ries van twisk]

> 
> May I ask a ridiculously stupid question?
Sure..
> 
> I have seen this four digit mask many times, but I am only familiar with the
> function of the last three digits - what in the heck is the first digit
> for??
> 
Check 'man chmod' and on Linux there is a 'security-HOWTO' which
explains all bits and peases about security including file permissions
and examples of it.
'security-HOWTO' can also be found on the internet ofcource.
Ries