If you want to understand computers, start with operating systems: the software that communicates with both hardware and application programs. This course introduces key features of the most popular operating systems: Windows, macOS, and Linux. This course covers every objective from the Other Operating Systems & Technologies domain of the CompTIA A+ 220-902 certification exam. This is the third course in a series of six courses to prepare you for the CompTIA A+ 220-902 certification exam. Topics: Course OverviewCommon Operating Systems and Their PurposesFeatures of Microsoft Windows VersionsOS Installation Considerations and Upgrade MethodsUsing Microsoft Command-Line ToolsUsing Microsoft OS Features and ToolsUsing Windows Control Panel and Settings UtilitiesApplication Installation and ConfigurationConfigure Client-side Windows NetworkingmacOS Features and ToolsLinux Features and Tools