是否有可能请你更新一下系统信息？
现在内核已经使用新系统调用完成更新了，接下来看一下从用户空间应用程序中使用这些系统调用需要执行的操作。
Now that kernel is updated with a few new system calls, let's look at what's necessary to use them from a user-space application.
思考一下前面所说的GUI控制面板；在Unix 中编写这个程序时，一种高性能的做法是只在select()系统调用检测到到达的数据时才更新显示。
Think of the GUI control panel; a high-performance way to program this with Unix is to update the display only when the select() system call detects arriving data.
想要明白为什么，想象一下当分区两侧的两个结点试图同时更新整个系统的时候会发生什么。
To understand why, imagine what happens when two nodes on either side of a partition try to update the whole system.
顺便说一下，请给我发送从福特wers系统更新绘图。
By the way, Please send the drawing updated from Ford WERS system to me.
不懂后，下次更新时它就又出现了，看来我需要一下新的数据库或者什么记录删除过的产品之类的系统。
So I think there needs to be a new database table or something where the system records what's been deleted.
更新这份名单，并对紧急呼叫系统进行测试一下，确保系统使用正常。
Update your list and conduct a test of your emergency calling system to make sure it works.
更新这份名单，并对紧急呼叫系统进行测试一下，确保系统使用正常。
Update your list and conduct a test of your emergency calling system to make sure it works.
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