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Subject:	Re: Looking for explanation
To:	cygwin AT cygwin DOT com
References:	<d23e7aeb-1600-cb72-28d6-f0a758d91ff6 DOT ref AT bellsouth DOT net>
	<d23e7aeb-1600-cb72-28d6-f0a758d91ff6 AT bellsouth DOT net>
	<e917b407-ccbd-3788-7f21-357e96269a32 AT cs DOT umass DOT edu>
From:	Robert McBroom <mcforum AT bellsouth DOT net>
Message-ID:	<1dc80f24-face-8794-848c-e2f062746e79@bellsouth.net>
Date:	Fri, 17 Jul 2020 18:33:03 -0400
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On 7/17/20 12:27 PM, Eliot Moss wrote:
> On 7/17/2020 12:16 PM, Robert McBroom wrote:
> > Directory listing shows a number of new features that I don't 
> remember being introduced.?? I see
> > s,t,+ etc. other than the expected wxr. Where would I look for an 
> explanation?
>
> Dear Robert:
>
> s and t are usual from Posix and Cygwin tries to come as close to 
> Posix as it can under Windows.?? s is for setuid/setgid and t is the 
> "sticky" bit.?? The + indicates that there
> are more refined access modes present.
>
> You might want to read up on ls, chmod, getfacl, etc.
>
> What _can_ get funky and confusing is the mapping from Windows ACLs to 
> what Cygwin
> reports and Cygwin's manipulation of ACLs.?? There is online Cygwin 
> documentation about that as well.
>
> None of this is new.?? Maybe something changed the file permissions, 
> and now they show up this way for you??? Not sure what your real 
> question is ...
>
UNIX use predates posix. Don't see any of these designations on Fedora 
even on ntfs file systems. Haven't dived into them because my objective 
is to run scientific calculations, but curiosity got the better of me.

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