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Other network Server roles include a File and Print Server. A File and Print Server is generally a dedicated Server that stores files and information for clients, and can also have Printers attached to it - so that it can be the centralized printing resource for a network. A File and Print Server combines the file structure and the printing capability because of the fact that the same types of resources need to be used for a File Server as for a Print Server. Neither a File Server nor a Print Server needs a lot of processing power like an Application Server does. But a File Server needs a lot of disk space; as well a Print Server needs a lot of disk space for the print spools that will be required if many people want to print at the same time. So we combine the resources of a File and Print Server and make this a dedicated Server for the network. A Terminal Server is a Server that processes information for clients. But not just data: a Terminal Server actually runs the application for a client. For example, we can use a Terminal Server to allow clients that would not meet the requirements to run for example Windows 2000 Professional, to be able to have the same experience of running Windows 2000 Professional from their desktop. In other words they might have some older 486 computers or older Pentium computers that do not meet the requirements to run Windows 2000. But the Terminal Server will actually run the applications for the clients. So the clients are nothing but a dumb Terminal. In this case, the Terminal Server is actually running the Operating System as well as the applications. The Terminal servers can be used to run just applications such as Office 2000, as well as running the line of business applications that companies need to use. For example, a bank or an insurance company might have some very specific software that was written for them, customized software, and this information can be retrieved through the clients acting as a dumb terminal and connecting to the Terminal Server. There is a tremendous advantage in working with a Terminal Server for an Administrator - and that is that if all of the processing is actually being done on that centralized machine, then if we want to change the program in anyway, then all we need to do is change that one machine. And that would change how all the processing is done for all of the clients that use that machine. In contrast, if the processing was actually done on each of the clients, then we would need to change each of the clients. So if we have a tremendous number of clients, we can see that that would be a tremendous advantage in using Terminal Server. Organizations use Terminal Server to save money by being able to use computers that they would not otherwise be able to use to run applications. Another way we can use Terminal Server to save money is that PDA's, Personal Digital Assistants such as Palm Pilots or Compaq iPaks can have Terminal Services software on them so that they can act as a dumb terminal to Terminal services. So instead of buying an entire team of sales people, say 500 salespeople, each a laptop for 2000 dollars, we might buy them a PDA for 500 dollars that would get them the information that they need about their client list. But would save the company a tremendous amount of money as well as making a more convenient tool for the salesperson. We will continue our discussion of Network Server roles in our next section.