The USB stick may be mounted read-only.

Sent from my iPhone

On Sep 11, 2008, at 5:03 PM, Robert Holtzman <holtzm@cox.net> wrote:

> Running "sudo chgrp <name> mail" on a directory on a usb stick gives
>
> "chgrp: changing group of `mail': Operation not permitted"
>
> This is true for any file or directory on the stick, and yes, I  
> entered
> the password. I can't figure out how to copy to the stick without the
> group being changed to root or how to change it after the fact.
> cp -p test1 /media/disk doesn't do it and
>
> cp -preserve=mode,ownership,group,timestamp test1 /media/disk gives
>
> "cp: invalid option -- e"
>
> I have to be doing something wrong but I'm not sure what. Google and
> Ubuntu forums were no help but I may be searching on the wrong terms.
>
> Any help appreciated. Thanks.
>
> -- 
> Bob Holtzman
> "If you think you're getting free lunch,
>  check the price of the beer"
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