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From: | Brett Gilio |
Subject: | Re: What OS is used By Richard Stallman |
Date: | Mon, 24 Sep 2018 23:49:01 -0500 |
User-agent: | Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Icedove/52.7.0 |
On 09/24/2018 11:42 PM, microsoft gaofei wrote:
https://www.gnu.org/philosophy/categories.html . You said, some private software is also free and isn't released to public domain. Can that be free and closed-source at the same time?
No. By the four software freedoms, one must be able to modify the code of any piece of free software. This requires the code in its original, unobfuscated non-binary form. When RMS says that software may be private and free, he likely means that it can be developed by a private business for industry. But, again, for it to be free it must retain the four essential freedoms.
https://www.gnu.org/philosophy/free-sw.en.html Best, Brett
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