A+ Training Course Index: Professor Messer’s Course Notes: - - - - - The operating system is the foundation of any computing platform. In this video, you’ll learn about Microsoft Windows, Apple macOS, Linux, Google Chrome OS, Apple iOS, Google Android, and more. - - - - - Subscribe to get the latest videos: Join us at our next live event: FOLLOW PROFESSOR MESSER: Professor Messer official website: Instagram: X: LinkedIn: Facebook: