1. Copyright - copyright
A copyright is a protective right automatically granted to the original creator when a creation is made. Once a creation has been made, there is no need to go and ask for permission from any authority. Registration Without having to, the original creator automatically gets full ownership of that creation. This is called copyright. No one can use that creation without the permission of the copyright owner. No distribution rights.
To declare that the creator has acquired the copyright. If you don't know who owns it, If copyright is not declared, it becomes Public Domain. And since copyright has a limited term, it needs to include the date of creation.
Therefore, the comment "Copyright 2021, All right reserved" means that they have made a brief announcement that the original creator owns all copyright rights.
2. License - License
A license is permission given back by the copyright owner. For software that is sold for a fee and has limited usage rights, there is an End-user License Agreement called EULA.
Free software uses open source licenses. In summary, Open Source Licenses allow not only the relevant software but also the written code to be used for free and freely. But note that there are some limitations.
For example - GPL license means free access. right to correct Redistribution is allowed, but as a limitation, if the modification is modified, it is limited that the modification must be returned to Open Source only under the GPL license. MIT license is also free and free to use. right to correct Distribution is permitted, but there is a restriction that the original license statement must be attached to the distribution.
So, since it's an Open Source license, you can get it for free, but there are some relevant restrictions, and you have to be aware that you shouldn't violate those restrictions.
What happens if you violate it? The law cannot follow everyone and take action. But because it is not ethical, people will be insulted.
3. Creative Commons license
Creative Commons is an open source license for creative works, including writing, to be distributed digitally. All of my books are copyrighted to me, but licensed under the Creative Commons license, so anyone can download and read them for free. Not only that, but it can also be freely redistributed.
But there are some limitations. If you look at the attached picture, you will see, In short, it says CC-BY-NC-SA.
CC stands for Creative Common license, and BY stands for Attribution, which restricts that the original author's name must be attached when redistributing it. NC is non-commercial redistribution for a fee; It means not to sell. SA says that if you make a Share-Alike preparation, you must redistribute the same for free.
If you think these terms are confusing because not everyone can understand them
- Anyone can download and read for free
- Can be redistributed freely
- Give credit to the author
- Don't sell and eat
- If it's wrong, correct it. After fixing it, redistribute it for free
It can be summarized. I believe it will be a reasonable limit.
4. Can you print it and read it?
This is often asked. can I can't read it as an ebook. I can't buy a printed book, so I print it out and read it myself, which is covered by the license. You can read. You can also rent to friends. If you produce a lot and share it for free.
But it cannot be printed and resold. Because I saw that it was printed and resold, I have mentioned this about copyright and license so that other researchers can have knowledge.
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