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Simply put, a server is a software application that provides services or furnishes resources to other computers. Although many organizations have computers that are dedicated to server tasks, virtually any computer can function as a server. If you use your Microsoft Windows workstation to share files or a printer with other users, your computer is acting as a server. Medium-size and large businesses typically have multiple computers running various server applications. Separate computers might function as file servers, mail servers, database servers, and so on. In addition to its Windows Server products, Microsoft has a full line of server applications that can provide virtually any service a business might need.