16.7. Program Files

The Program Files directory, beneath %systemroot%, holds the files needed for each of the installed applications on a machine. Windows Vista also added a Program Data directory, which is hidden by default. It contains the settings needed for applications and works similar to what the Local Settings folder did in previous operating systems.

Figure 16.9. The Disk Cleanup button in Windows Vista

If a program doesn't have a shortcut on the Desktop or in the Programs submenu, you can start it by using the Run command and typing in the name of the program.

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