Chapter 1: Introduction to Operating Systems
Chapter 2: Computer and User Security Basics
Chapter 3: Desktop Virtualization
Chapter 4: Windows
Chapter 5: Supporting and Troubleshooting Windows
Chapter 6: Apple macOS on the Desktop
Chapter 7: Linux on the Desktop
Chapter 8: Chromebooks and Chrome OS
Chapter 9: Connecting Desktops and Laptops to Networks
Chapter 10: Mobile Operating Systems: iOS and Android
Chapter 11: File Management in the Cloud