Where is the kernel documentation?; Ubuntu 上如何安装 linux 内核文档；fedora 上如何安装linux内核文档？

有时候，linux内核文档对我们很重要，我们可以在linux系统中安装，并及时查看：

参考链接： 

in centos i can do yum install kernel-doc and then read /usr/share/doc/kernel-doc/documentation/filesystems/proc.txt.

how would i do the equivalent in ubuntu? professor google told me it was in the source code so i did apt install linux-source but i can't find proc.txt anywhere.

i'm guessing there's a different way of doing it in ubuntu.

the package name is linux-doc, after you apt install linux-doc look in /usr/share/doc/linux-doc.

in general anything that would be called "kernel" in rh/centos land will be called "linux" in ubuntu since ubuntu is based on debian which has versions with other kernels like gnu hurd and bsd.

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# 补充 

对于解压后的大多都是 .gz 文件；可以使用 zcat; vim 直接查看；也可以使用 gunzip解压成txt文本来进行查阅；