775 would give you rwxrwxr-x, which does not give "everyone" write
perms. You'd want 776 (or 777 if you want them to be able to execute
it.)
4 digit mask includes (first digit) special bits, such as 'd' 't' 's',
Which are all explained quite well in the chmod man page.
The UMASK is the inverse of permissions. Basically if you have a UMASK
of 022 then those bits are subtracted from a normal bitmask. Like so:
UMASK = 022 == Permissions = 755
Hope that helps.
* Blake
On Wed, 2001-10-24 at 09:55, Craig White wrote:
> Gosh - got a few simple questions that I just can't seem to find the
> answers to and I'm fairly certain that these are easy but I am a bit
> pressed for time.
>
> 1. UMASK
>
> I am trying to make certain that users save files in Samba that are
> world readable. Samba has an option - force create mode...
>
> i.e. - force create mode = 0775 would this make it so that owner &
> group can read/write/execute and anyone can read/write? What's the
> difference between a 3 digit umask (i.e. 022) and a 4 digit (0775)?
>
> Is there a man page? - man bash & man umask are short on info.
>
> 2. Dot forward
>
> If I want to auto forward a 'local user's mail' (and obviously I can do
> things with sendmail aliases) I am under the assumption that all I need
> to do is place a file in the users home directory. Is this file called
> "procmail.rc" or is it called ".forward" and then, do I need to do
> anything besides put the email address in this file that I want mail to
> be forwarded to? Will this delete the local copy of that message or is
> that retained?
>
> Thanks
>
> Craig
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