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/boot: Static files of the boot loader
Purpose: This directory contains everything required for the boot process
except configuration files not needed at boot time and the map installer.
Thus /boot stores data that is used before the kernel begins executing
usermode programs. This may include saved master boot sectors and
sector map files.
Programs necessary to arrange for the boot loader to be able to boot a file
must be placed in /sbin. Configuration files for boot loaders that are not
required at boot time must be placed in /etc.
/boot这个路径下面保存的是:引导加载程序的静态文件
详细介绍:这个目录下面保存着引导程序所需的全部文件(以下文件除外:在启动时,映射
安装时不需要的配置文件),因此,/boot下面是内核开始执行用户模式程序之前的数据。
这些数据可以包括已保存的主引导扇区和扇区映射文件。
可以启动一个文件的引导装载程序所引导的程序必须放置在/sbin下面。而,在引导启动时
不需要的引导装载程序的配置文件,则必须放置在/etc下面。
Specific options: The operating system kernel must be located in either / or /boot
Certain architectures may have other requirements for /boot related to limitations
or expectations specific to that architecture. These requirements are not enumerated
here; distributions are allowed to add requirements as needed to enable system
startup on these architectures.
特别说明:操作系统的内核必须放在根/ 或者目录/boot下面,特定的某类架构对于该架构关于/boot的
一些限制或者期望可能有一些要求。这些要求在这里就不指出了;发行版可以添加一些要求,当这
些要求是这些架构相关系统启动时所必须的时。
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原文地址:http://www.cnblogs.com/eifive/p/boot_linux.html