That is what I was following !! The .iso licence !!!

http://ftp.scientificlinux.org/linux/scientific/6x/x86_64/os/GPL

Thanks!!

El mié, 18-05-2011 a las 04:25 +0800, Felix Lee escribió:
> Hi Miguel,
> I guess for SL distribution, it should be based on GPLv2, but if you are 
> asking license for each package, I believe some of packages would not be 
> GPL, such as "bind" which would be BSD license I guess. Whatever, most 
> of packages should be GPL with any version, you can check them by rpm 
> -qi <package name>.
> 
> Or you can check either your SL iso(if you have downloaded it) or online 
> repositories:

> http://ftp.scientificlinux.org/linux/scientific/5x/x86_64/
> 
> And search any directory about "repoview", you will see a lot .html for 
> specific package in there, for example:
> http://ftp.scientificlinux.org/linux/scientific/5x/x86_64/SL/repoview/authconfig-gtk.html
> http://ftp.scientificlinux.org/linux/scientific/5x/x86_64/SL/repoview/tunctl.html
> http://ftp.scientificlinux.org/linux/scientific/5x/x86_64/SL/repoview/automake16.html
> 
> Just open the html, it will show you what GPL version it is then.
> Not sure if that answer your question?
> 
> 
> Felix Lee ~