Where can I find a technical description of the kernel parameters listed in
/proc/sys (ob Linux)?
This is fairly low-level stuff, so sometimes the documentation isn't completely precise and you'll need to turn to the source. Each sysctl setting usually corresponds to a variable with a resembling name inside the kernel (but this is a convention, not a rule). Many settings are declared in
The authoritative source of what is in
Those links are to a gitweb interface, so you can pick a particular version of Linux that you are interested in. Those links point to current HEAD.