[Lenay Nichols]

Four examples of operating applications and their purpose include macOS, Windows, Linux, and iOS. These operating applications run in the background and allow devices to function properly by supporting and managing applications such as Zoom, Instagram, Google Chrome, and SHEIN. They help computers, tablets, and cell phones operate by controlling hardware, managing system resources, and enabling users to install and use other software. Additional examples of operating applications include Android and Chrome OS.