This page will track the FAQs-in-progress, for the kernelnewbies.org [http://www.kernelnewbies.org/faq/ FAQs list]. Feel free to add new FAQs, answers, hints to answers (to help others write/edit them), or even links to related pages / posts on the web. If you see any { stub ... } below, and think you can replace it with the requisite useful information, feel free to do so. Q. How do I write logging data to a file from within the kernel? A. * { stub: ... explain why file I/O can't be done directly (process context) ... } * { stub: ... write about relayfs, debugfs here ... } * { stub: ... write about why temptation to use procfs should be avoided ... }