unix permissions questions

doug at safeport.com doug at safeport.com
Tue Sep 14 18:13:27 UTC 2010

On Tue, 14 Sep 2010, Polytropon wrote:

> On Tue, 14 Sep 2010 13:32:40 -0400 (EDT), doug at safeport.com wrote:
>> I found several directories whose permissions where set to
>>    dr-s--S--T   2 user group   512 Feb 22  2010 .procmail/
>> All were .procmail which is what we set for procmail logging and supporting
>> recipes. In reading 'man ls' it seems (to me) this might result from losing the
>> execute bit on the directory. Is this correct? Been BSDing since 1995 and have
>> not seen this set of permissions. Thanks for any insights.
> After a short read of "man ls":
> "s" in the owner permissions = file is executable and set-user-ID mode is set
> "S" in the group permissions = file is not executable and set-group-ID mode is set
> "T" in the other permission = sticky bit is set, but not execute
>                              or search permission.
> Result: User can execute SUID, group cannot execute, others cannot search
> or execute; sticky bit is set.
Thanks, I got that from the man page. My question, not stated very well, was can 
a non-root user set those permissions. If so, I obviously do not know how.

Douglas Denault
doug at safeport.com
Voice: 301-217-9220
   Fax: 301-217-9277

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