You may not have wanted to get so in-depth with your file system but the techniques covered here are pretty important to understand particularly because there is a risk of data corruption.

你可能并不想深入文件系统的底层了解这些东西，但本文介绍的技术对于你理解文件系统的使用异常重要，因为存在数据丢失的风险。

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Part of the reason I accepted your invitation to come here was because I wanted to speak with all of you, and not just to all of you.

WHITEHOUSE: President Obama Takes Questions at GOP House Issues Conference | The White House