您已经学习了几个基本命令，能够在目录结构中移动、创建和修改文件、查看正在运行的进程以及管理用户和系统。

You've learned a few of the basic commands to help you maneuver through a directory structure, create and modify files, see what processes are running, and maybe even administer users and the system.

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但是，在查看更改目录之前，重要的是要对UNIX目录结构有一定的理解。

Before looking at changing directories, however, it's important to understand a bit about the UNIX directory structure.

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假定您已经从shale starter应用程序复制了自己的应用程序(first - shale)，查看一下应用程序的目录结构。

Assuming you've got your own application (first-shale) copied over from the shale starter app, take a look at the directory structure of your application.

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