How to set a "public" directory? (Everyone can add and modify their own files)

[Dave Ihnat]

On Fri, Oct 08, 2004 at 12:45:16PM +0800, Yin Ming wrote:
> Hi, I'm looking for a way to setup a directory working like this:
> ... 
> I think it's same as the /tmp directory, so I tried to see what the
> param of /tmp is. ls -l, but nothing special..

It *is* the same as the tmp directory.  Set the sticky bit ("+t" to chmod).

> 3. Besides that, I want this directory:
> Any user adds a file or sub-dir to this directory, the owner and group
> of that file become those ones of the parent directory.

Add "g+s" to the chmod command.

Programmatically, of course, these are bitmasks; look at the "chmod"
command and system call ("man chmod", "man 2 chmod").

Cheers,
-- 
	Dave Ihnat
	ignatz at dminet.com