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In the rest of this chapter,we introduce the basic concepts that have motivated the design of Unix over the past two decades,
as well as Linux and other operating systems．()
这一章的剩余部分，我们将介绍<Ｕnix过去２０年来设计修改的基本概念，它对Ｌinux及其他操作系统的概念同样适用>．(请求帮助修正<>中的部分)
While the concepts are probably familiar to you as a Linux user,these sections try to delve into them a bit more deeply than
usual to explain the requirements the place on an operating system kernel.
作为Linux用户，也许这些概念对于的您来说很熟悉．这一章将试着深入一些（．．．．．．）这个比较晕请求帮助！我理不清它们之间的关系了．
These broad considerations refer to Unix-Like systems,thus also to Linux (求助)
The other chapters of this book will hopefully help you to understand the Linux kernel internals
希望这本书的其他章节对你理解Linux内核的本质有所帮助．
