I'm looking for good documentation for sysfs; the man page is incomplete and even has one sentence that just stops half way through. I've found the Linux kernel documentation but that's a little bit too geared towards programmers as opposed to administration. If anyone can suggest a good source I'd be grateful.

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    What sentence are you referring to? Aug 7, 2021 at 18:07
  • @ArkadiuszDrabczyk it's the following excerpt from the description of the parameters/ directories within the subdirectories of /sys/module: "This directory contains one file for each module parameter, with each file containing the value of the corre‐sponding parameter. Some of these files are writable, allowing the" Aug 7, 2021 at 23:19

1 Answer 1


The only vaguely up-to-date documentation is the kernel documentation, Documentation for /proc/sys. I’m (slowly) working my way through it, trying to ensure it’s complete, devoid of obsolete entries, and more understandable for administrators (after all, it’s part of the administrator’s guide); see the /proc/sys/kernel documentation for example. I do realise that even the “improved” documentation is still hard to understand.

Relevant settings are also supposed to be mentioned in manpages where they’re relevant, i.e. close to the point of use.

If you have any specific questions, feel free to ask them here.

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