Re: Unix groups and file access

From: Barry Margolin (barmar_at_alum.mit.edu)
Date: 05/18/04 

Date: Mon, 17 May 2004 20:54:07 -0400

In article <3898598f.0405171539.76135729@posting.google.com>,
 hsphuah@usa.com (Hon Seng Phuah) wrote:

>
> Barry Margolin <barmar@alum.mit.edu> wrote in message
> news:<barmar-F05882.00221217052004@comcast.dca.giganews.com>...
> > In article <3898598f.0405161747.75d5a43e@posting.google.com>,
> > hsphuah@usa.com (Hon Seng Phuah) wrote:
> >
> > > Hi all.
> > >
> > > I have a simple questionsa and hope to someone can guilde me. Thank
> > > you. I have a new group created, abc, and create file, test. I typed
> > > chgrp abc test and chmod 750 test.
> > >
> > > My colleague who is from group, abc, tried to read the file test, the
> > > system displayed permission deny. Why? My file stored in the directory
> > > has 755 directory permission setting.
> > >
> > > -HS Phuah
> >
> > Maybe there's an ACL on the file or directory that's more restrictive
> > than the permission modes.

> What is ACL?

Access Control List. This is a permission mechanism that provides finer
grained control than permission modes (you can assign permissions to
multiple users and groups). Directories can have a default ACL that is
applied to new files created there. 

-- 
Barry Margolin, barmar@alum.mit.edu
Arlington, MA
*** PLEASE post questions in newsgroups, not directly to me ***

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