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Be smart about shutdowns
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When you shut down an application by clicking the End Task button on the Applications tab, the effect is the same as if you had chosen to shut down the program using its menus or by right-clicking its taskbar button and choosing Close. If the program can respond to the shutdown request, it should prompt you for con rmation or give you a chance to save open les, if necessary. By contrast, the End Process button on the Processes tab zaps a process immediately and irrevocably, closing any open les without giving you a chance to save them. Whenever possible, you should try the End Task option rst and reserve the drastic End Process option for situations in which you have no alternative.
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Managing Running Programs and Processes with Windows Task Manager
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Assign a Program to a Speci c Processor
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If you have a dual-core or multi-processor system, you can assign a process to a speci c processor but only after the process is already running. To do this, right-click the process on the Processes tab and choose Set Af nity. In the dialog box that appears:
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select the process you want to use. (If all CPUs are selected, Windows sets the process af nity as it sees t.)
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Running a Program as an Administrator or Another User
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As mentioned earlier in this chapter, you can run a program as an administrator by right-clicking any shortcut for the program (in the Start menu or elsewhere), choosing Run As Administrator, and satisfying the UAC prompt with either consent or credentials. Here are two additional ways to do it:
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Start a Command Prompt session as Administrator (by right-clicking a shortcut for Cmd.exe and choosing Run As Administrator). Then, from the Command Prompt, type the executable for whatever program you want to run as administrator. To run Registry Editor, for example, type regedit. Because you ve already passed UAC inspection for the Command Prompt session, and because whatever you run from Command Prompt is a child process of Command Prompt, you don t have to deal with any further UAC prompts. This method is excellent for situations where you need to run a sequence of programs as an administrator. Keep one admin-level Command Prompt open and run your programs from the command line. Type the name of the program you want to run in the Start menu s search box. Then press Ctrl+Shift+Enter.
To run a program under a different user account, you can use the Runas command. Runas no longer appears on the shortcut menus for programs, as it did in Windows XP. But you can still use it from the Command Prompt or a shortcut. The syntax is:
runas /user:username cmd
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Adding, Removing, and Managing Programs
After you issue the command or activate the shortcut, you ll be prompted to enter the password for the specified user account. For security reasons, you cannot save the password with the shortcut. Note that the Runas command does not work with Microsoft Management Console (MMC) shortcuts.
Uninstalling Programs
To remove an installed Windows program, open Control Panel and click Uninstall A Program (you ll find that under the heading Programs). The list of uninstallable programs that appears does not include usage information (as it did in Windows XP, although the information there was seldom accurate), but it does list the size of each program. Click the program you want to remove, or select it and click Uninstall/ Change. A UAC prompt will appear. Here are some basic facts you should know about uninstalling programs:
Windows Vista warns you if you attempt to remove a program while other users are logged on. For safety s sake, you should always completely log off any other user accounts before attempting to remove a program. Many uninstall programs leave a few traces of the programs behind, either inadvertently or by design. For instance, programs that create data files typically do not remove custom user settings and data files as part of the uninstall process. You can remove programs from Control Panel only if they were originally installed with a Windows-compatible setup program. Some older programs and utilities work by copying their files to a folder. In this case, you uninstall the program by manually removing its files and shortcuts. In some cases, a poorly written uninstall routine may leave a phantom entry behind in the list of installed programs, even after it has successfully removed all traces of the program itself. To remove an item from the list in this case, remove entries manually, using Registry Editor. Detailed instructions are available in Knowledge Base article 314481, How to Manually Remove Programs from the Add or Remove Programs Tool.
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