Linux kernel development

• kernelnewbies.org the main kernelnewbies website

• Linux From Scratch detailed instructions on how to build your own Linux system entirely from source code

• Linux From Scratch - Essential Pre-Reading more help for Linux From Scratch

• KernelWiki (appears to be broken at the moment)

• LinuxMM Linux memory management wiki

• http://linux-mm.org/HugePages Huge pages wiki

• http://linuxfs.pbwiki.com/ Filesystems wiki

• Linux-Net Linux networking wiki

• lkml.org linux-kernel mailing list

• kernel.org the home of the Linux kernel

• kernel.org/doc various documentation around the kernel

• http://linux-news.net linux distro news.

General Linux

• Advanced Bash Scripting Guide

• Regular Expressions Reference - Basic Syntax

• Sed - An Introduction and Tutorial

• Boot and run Linux from a USB flash drive

• Linux Links

• Freshmeat

• Linux Cookbook - tips and hints

• gNewSense a distro based on Ubuntu with all the non-free parts removed

• Free Software Magazine

• Vim Cookbook

• Vi Lovers Home Page

• Vim Documentation

Security related

• Linux Security detailed Linux security news site

News sites

• Linux Weekly News - follow the kernel link (changes weekly) (the current kernel page is always http://lwn.net/current/kernel.php3).

• Kerneltrap - news on various free OS kernels

• Kernel Traffic (link to Internet Archive) - a digest of what was discussed on the Linux-kernel mailing list (original site has disappeared)

• linux.com kernel news

Other operating systems

• A Peek at the DragonFly Virtual Kernel

• DragonFly wiki - Recent Changes

• Plan 9 overview on Wikipedia

• Investigating the Plan 9 Operating System (article)

• The MINIX 3 Operating System