这允许系统管理员检查脚本出现故障的位置，从而能够立刻采取措施来退出该过程，或通过采取其他备用措施来完成任务。

This allows the system administrator to inspect where the script failed so that immediate action can be taken to back-out the process or take an alternative action in completing the task.

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注：如果无法忍受系统过慢的显示速度，您可以通过输入runlevel 3来退出X窗口。

Note: if the system appears simply too slow to be bearable, you can exit X-windows by entering runlevel 3.

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目前在德国，他们试用了一种类似的系统，而男性则反对使用女性声音来提供方向信息，因此该系统不得不退出市场。

Now, in Germany when they tried a similar system, men reacted against being given directions by a female voice so it had to be taken off the market.

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