[Discussioni] Articoli "La Stampa" 8/11/2001

[Alceste Scalas]

On Fri, Nov 09, 2001 at 08:40:24AM +0100, Carlo Strozzi wrote:
> Inoltre non è vero che il software libero
> non è protetto da copyright, sennò non sarebbe libero (www.gnu.org per
> i dettagli).

Ehmm...  Su http://www.gnu.org/licenses/licenses.html c'e` scritto:

# List of Free Software Licenses
#
# [...]
#
#  What Is Copyleft?
#
#    Copyleft is a general method for making a program free software
#    and requiring all modified and extended versions of the program
#    to be free software as well.
#
#    The simplest way to make a program free is to put it in the
#    public domain (18k characters), uncopyrighted. This allows
#    people to share the program and their improvements, if they are
#    so minded. But it also allows uncooperative people to convert
#    the program into proprietary software. They can make changes,
#    many or few, and distribute the result as a proprietary
#    product. People who receive the program in that modified form do
#    not have the freedom that the original author gave them; the
#    middleman has stripped it away.
#
#    [...]
#
#      Public domain software
#
#         Public domain software is software that is not
#         copyrighted. It is a special case of non-copylefted free
#         software, which means that some copies or modified
#         versions may not be free at all.
#
#         Sometimes people use the term ``public domain'' in a
#         loose fashion to mean ``free'' or ``available gratis.''
#         However, ``public domain'' is a legal term and means,
#         precisely, ``not copyrighted''. For clarity, we recommend
#         using ``public domain'' for that meaning only, and using
#         other terms to convey the other meanings.

Insomma: tutto il  software privo di copyright e`  libero --- ma non
tutto il software libero e` privo di copyright (anzi... :-).

E  non e`  certo  consigliabile rilasciare  il  proprio lavoro  come
pubblico dominio  (dato che non  si potrebbero garantire  i vantaggi
offerti dal copyleft).

Ciao,

Alceste
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