COMPUTER FUNDAMENTALS

Detailed explanation-1: -They might intersect in various manners and refer to the same set of licenses. For example, the majority of free software licenses are also considered open-source software licenses, like well-known Linux, Ubuntu, MySQL, to name a few.

Detailed explanation-2: -Every free software is open source but not all open-source software is free software. There are many open-source software licenses and some of them are a bit restrictive making that open-source software, not free software.

Detailed explanation-3: -The main difference between freeware and free software is that free software is released under a license that allows users to change and distribute the software, whereas freeware is copyrighted and cannot be modified or distributed.

Detailed explanation-4: -Open source software is usually free, but not all free software is open source (closed source software can also be free). The quality of the finished product can vary: some open source software is extremely high-quality and updated regularly, while some contains a number of bugs and quickly becomes outdated.

Detailed explanation-5: -Freeware is also distributed at minimal cost, but in this case the authors do not expect payment for their work. Typically, freeware programs are small utilities or incomplete programs that authors release for their potential benefit to others, but without support.