Packed with hands-on applications, Tomshos GUIDE TO OPERATING SYSTEMS, 6th Edition equips learners with fundamental theory and technical information as they work with todays most popular operating systems, including Windows, macOS and Linux platforms. Learners examine how general operating systems are organized and function. Hands-on scenarios give them practical experience in OS installation, upgrading and configuration. Processors, file systems, networking, virtualization, security, device management, storage, OS maintenance and troubleshooting are covered in detail. Content also includes Windows 10 and earlier Windows client OSs, Windows Server 2019 and earlier Windows server OSs, Fedora Linux, and macOS Mojave and earlier. Easily understood and highly practical, the sixth edition is an excellent resource for training across different operating systems.