Windows operating systems continue to allow the use of a command-driven interface similar to that introduced with MS-DOS long ago. In your opinion, when would a systems administrator find it helpful to use typed commands instead of menus? Give at least one example and explain your answer without using computer jargon.

Today, most operating systems provide a GUI (graphical user interface) as well as provide a CLI (command line interface). Tomorrow’s operating systems may well provide a GBI (gesture-based interface). What are the advantages and disadvantages of each of these 3 interfaces?

Authentic preemptive multitasking was unavailable in early Windows versions. Instead, the designers of Windows created "cooperative multitasking," in which each application was expected to cede CPU control at regular intervals so that the Windows dispatcher may allocate execution time to another waiting program. Describe the disadvantages of this strategy.

Exists a single sentence that describes the operating system kernel?