Where is the kernel documentation?

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.

Solution 1:

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.