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Administrative Assistant's and Secretary's Handbook, 5th Edition by Jennifer Wauson, Kevin Wilson, James Stroman

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Chapter 11

Using Microsoft Windows

Operating Systems

An operating system is the underlying software that allows other programs—such as word processors, databases, and spreadsheets—to operate with similar menu choices, processes, and functions. The operating system, sometimes called the OS, is a set of rules that other programs must follow. The operating system serves as an intermediary, handling communications between your software and the computer’s hardware.

Microsoft Windows is the most widely used computer operating system. There are several alternative operating systems, including Apple OS for Macintosh, Unix, and Linux. Because Microsoft Windows is by far the most commonly used operating system in business today, this chapter discusses ...

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