38 Copyright Goodheart-Willcox Co., Inc. LEARNING OUTCOMES ■ Explain the purpose of an operating system. ■ Describe the common characteristics of all operating systems. ■ Compare Windows operating systems. ■List diff erent types of Windows installations. ■ Summarize the Windows boot sequence. ■ Provide examples of common mobile devices and tasks. ■Recall examples of cloud computing resources and services. ■ Defi ne operating system terminology. Operating Systems 2 CHAPTER app application software boot sequence bootstrap program bug cloud computing cold boot command-line interface (CLI) confi guration fi les cooperative multitasking directory dual-boot system fi le fi le extension fi le system fi le table graphical user interface (GUI) kernel multiple-boot system multitasking multithreading operating system (OS) pathname power-on self-test (POST) preemptive multitasking registry root directory software driver software patch subdirectory thin client Tile virtual machine virtualization warm boot KEY TERMS