2. Linux From Scratch 12.3
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	Linux From Scratch 12.3/chapter07_introduction — Chinese (Simplified Han script)	This chapter shows how to build the last missing bits of the temporary system: the tools needed to build the various packages. Now that all circular dependencies have been resolved, a <quote>chroot</quote> environment, completely isolated from the host operating system (except for the running kernel), can be used for the build.	本章展示如何构建临时系统最后缺失的部分：首先，安装一些软件包的构建机制所必须的工具，然后安装三个用于运行测试的软件包。这样，就解决了所有的循环依赖问题，我们可以使用<quote>chroot</quote>环境进行构建，它与宿主系统除正在运行的内核外完全隔离。
	Linux From Scratch 12.3/chapter07_introduction — Chinese (Simplified Han script)	For proper operation of the isolated environment, some communication with the running kernel must be established. This is done via the so-called <emphasis>Virtual Kernel File Systems</emphasis>, which will be mounted before entering the chroot environment. You may want to verify that they are mounted by issuing the <command>findmnt</command> command.	为了隔离环境的正常工作，必须它与正在运行的内核之间建立一些通信机制。我们通过所谓的<emphasis>虚拟内核文件系统</emphasis>达成这一目的，它们必须在进入 chroot 环境时挂载。您可能希望用 <command>findmnt</command> 命令检查它们是否挂载好。
	Linux From Scratch 12.3/chapter07_introduction — Chinese (Simplified Han script)	Until <xref linkend="ch-tools-chroot"/>, the commands must be run as <systemitem class="username">root</systemitem>, with the <envar>LFS</envar> variable set. After entering chroot, all commands are run as &root;, fortunately without access to the OS of the computer you built LFS on. Be careful anyway, as it is easy to destroy the whole LFS system with bad commands.	从现在开始，直到<xref linkend="ch-tools-chroot"/>，所有命令必须以 <systemitem class="username">root</systemitem> 用户身份执行，且 <envar>LFS</envar> 变量必须正确设定。在进入 chroot 之后，仍然以 root 身份执行所有命令，但幸运的是此时无法访问您构建 LFS 的计算机的宿主系统。不过仍然要小心，因为错误的命令很容易摧毁整个 LFS 系统。