[OS X TeX] OT: authorizations in Leopard

Herbert Schulz herbs at wideopenwest.com
Sun Nov 11 00:38:13 EST 2007

On Nov 9, 2007, at 11:53 AM, Bruno Voisin wrote:

> ...
> At some point it seemed that files and folders copied from these  
> supports couldn't be modified (they had authorizations r-xr-xr-x  
> IIRC), but now that's gone for some reason.
> Finally, motivated by all that I attempted to repair permissions  
> with Disk Utility. The report ended up with (approximate translation  
> from the French):
> ACL found but not claimed on /Applications
> ACL found but not claimed on /Library
> Googling a bit revealed that ACL are a more sophisticated way of  
> defining and managing permissions for Unix systems, that it was  
> present but not activated on Tiger, and that it is indeed present  
> and activated on Leopard. I looked at some documentation but could  
> not understand a word of it.
> It seems, however, that a way to solve the problem reported by Disk  
> Utility is to use "sudo chmod -a# 0 <folder-name>". I have no idea  
> what this syntax means. The tip was found on a MacBidouille user  
> forum, quoting MacFixIt. This seems to refer to two articles:
> <http://www.macfixit.com/article.php?story=20071108091216152>
> <http://www.macfixit.com/article.php?story=20071106085808151>
> Hence I tried:
> sudo chmod -a# 0 /Applications
> sudo chmod -a# 0 /Library
> It suppresses indeed the warning in Disk Utility, but it does not  
> seem to affect the authorizations problems I'm experiencing.
> Again, this is OT, but I thought that's information which might be  
> useful in helping people decide whether or not to switch now.
> Bruno Voisin


I see the @ on many files also. I've run into a problem where I can't  
write to some files even though all permissions say I can. I can't  
make out any pattern to which files I can write and which I can't.  
They're all in the same directory and all .tex source files written in  
TeXShop under Tiger and before.

Good Luck,

Herb Schulz
(herbs at wideopenwest.com)

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