ComSpec L : \ Windows\systern32\cmd, exe
Figure 20-10. Configuring your computer's environment variables
When you create or edit system environment variables, the changes affect the entire system when you restart the computer. When you create or edit user environment variables, the changes take effect the next time you log on.
Programs that you run from the Start menu or Run dialog will pick up the new environment variables when you quit and restart them. So if you are setting an environment variable for use in the Command Prompt, you need only close it and reopen it for the new environment variable to take effect.
Startup and recovery options control the way Windows 7 starts and handles failures. You can view and configure startup and recovery options by completing these steps:
1. Click StartsControl PanelsSystem and SecuritysSystem.
2. In the System console, click "Change settings" under "Computer name, domain, and workgroup settings." Alternatively, click Advanced System Settings in the left pane.
3. On the Advanced tab, click Settings under Startup and Recovery. This displays the Startup and Recovery dialog box shown in Figure 20-11.
Figure 20-11. Configuring startup and recovery options
4. If your computer has multiple bootable operating systems, you can set the default operating system by selecting one of the operating systems on the "Default operating system" list. These options change the configuration settings that Windows Boot Manager uses.
5. At startup of a computer with multiple bootable operating systems, Windows 7 displays the startup configuration menu for 30 seconds by default. To boot immediately to the default operating system, clear the "Time to display list of operating systems" checkbox. To display the available options for a specific amount of time, select the "Time to display list of operating systems" checkbox and then set the desired time delay in seconds.
6. When the system is in a recovery mode and is booting, a list of recovery options might be displayed. To boot immediately using the default recovery option, clear the "Time to display recovery options when needed" checkbox. To display the available options for a specific amount of time, select the "Time to display recovery options when needed" checkbox and then set a time delay in seconds.
7. System Failure options control what happens when the system encounters a fatal system error (also known as a STOP error). The available options for the System Failure area are used as follows:
Write an event to the system log
Logs the error in the system log, which allows you to review the error later using the Event Viewer.
Check this option to have the system attempt to reboot when a fatal system error occurs. Write debugging information
Choose the type of debugging information to write to a dump file if a fatal error occurs. You can then use the dump file to diagnose system failures.
Sets the location for the dump file. The default dump locations are %System-Root%\Minidump for small memory dumps and %SystemRoot%\MEM-ORY.DMP for all other memory dumps. Overwrite any existing file
Ensures that any existing dump files are overwritten if a new STOP error occurs.
8. Click OK to save your settings.
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