Microsoft Windows is a proprietary OS for desktops and servers. Linux is an open source OS for desktops, servers, and more. But it isn't just proprietary vs open source, there is much more to discuss! Introduction to Android app development: https://www.dgitacademy.com/ Let Me Explain T-shirt: https://teespring.com/gary-explains-let-me-explain-2 Twitter: https://twitter.com/garyexplains Instagram: https://www.instagram.com/garyexplains/ #garyexplains