2

Not without permission Questions in textbooks, exam papers etc. have the same copyright protection as any other literary work.


1

Open source software is copyrighted by the contributors (or in some cases a legal entities the contributors explicitly gave their copyrights to in form of a contributors license agreement). Yes, they tend to give really lax licenses to everyone which grant a lot of freedoms, but the copyright is still retained. When you modify open source software, then you ...


Only top voted, non community-wiki answers of a minimum length are eligible