[ale] when is a zip file not a zip file

[Jim]

Sean Kilpatrick wrote:
> 3.  So, wanting to get somewhere, I copied the *.rar file to a thumb
> drive and carried it upstairs to my wife's Mac. It couldn't handle
> the file either -- but at least it knew where to go to update its
> StuffIt program to unpack the damn thing. So we downloaded the update,
> installed it and unpacked the the archive.  But noticed on accessing the
> thumb drive that an unknown file had appeared <throbber.png>.  I have
> no idea where this little goodie came from so I deleted it on the spot.
> Googled the file and apparently it is some sort of Red Hat image. How
> could it have suddenly appeared on my thumb drive?  It wasn't there
> before.
>
>   
Perhaps the unrar step created it?  A .png file is just an image file.  
Point a browser at it and I suspect you'll see a picture of something.  
I wouldn't be afraid of it on a Linux system.

Jim.