== Linux kernel development == * [http://kernelnewbies.org/ kernelnewbies.org] the main kernelnewbies website * [http://www.linuxfromscratch.org/ Linux From Scratch] detailed instructions on how to build your own Linux system entirely from source code * [http://www.linuxfromscratch.org/hints/downloads/files/essential_prereading.txt Linux From Scratch - Essential Pre-Reading] more help for Linux From Scratch * [http://kernelbook.sourceforge.net/wiki/?KernelWiki KernelWiki] (appears to be broken at the moment) * LinuxMM:LinuxMM Linux memory management wiki * [http://linux-mm.org/HugePages] Huge pages wiki * [http://linuxfs.pbwiki.com/] Filesystems wiki * [http://linux-net.osdl.org/ Linux-Net] Linux networking wiki * [http://lkml.org lkml.org] linux-kernel mailing list * [http://kernel.org kernel.org] the home of the Linux kernel * [http://kernel.org/doc kernel.org/doc] various documentation around the kernel * [http://linux-news.net] linux distro news. == General Linux == * [http://tldp.org/LDP/abs/html/index.html Advanced Bash Scripting Guide] * [http://www.regular-expressions.info/reference.html Regular Expressions Reference - Basic Syntax] * [http://www.grymoire.com/Unix/Sed.html Sed - An Introduction and Tutorial] * [http://www.pendrivelinux.com/ Boot and run Linux from a USB flash drive] * [http://www.linuxlinks.com/ Linux Links] * [http://freshmeat.net/ Freshmeat] * [http://www.linuxcookbook.com/ Linux Cookbook - tips and hints] * [http://www.gNewSense.org/ gNewSense] a distro based on Ubuntu with all the non-free parts removed * [http://www.freesoftwaremagazine.com/ Free Software Magazine] * [http://www.eiv.com/vim-cook.html Vim Cookbook] * [http://thomer.com/vi/vi.html Vi Lovers Home Page] * [http://vimdoc.sourceforge.net/htmldoc/version7.html Vim Documentation] == Security related == * [http://www.linuxsecurity.com/ Linux Security] detailed Linux security news site == News sites == * [http://www.lwn.net Linux Weekly News] - follow the kernel link (changes weekly) (the current kernel page is always http://lwn.net/current/kernel.php3). * [http://www.kerneltrap.org/ Kerneltrap] - news on various free OS kernels * [http://web.archive.org/web/20071012002855/http://kerneltraffic.org/ Kernel Traffic (link to Internet Archive)] - a digest of what was discussed on the Linux-kernel mailing list (original site has disappeared) * [http://linux.com/news/software/linux-kernel linux.com kernel news] == Other operating systems == * [http://www.dragonflybsd.org/docs/articles/vkernel/vkernel.shtml A Peek at the DragonFly Virtual Kernel] * [http://wiki.dragonflybsd.org/index.cgi/RecentChanges DragonFly wiki - Recent Changes] * [http://en.wikipedia.org/wiki/Plan_9_from_Bell_Labs Plan 9 overview on Wikipedia] * [http://www.osnews.com/story/15235/Investigating-the-Plan-9-Operating-System/ Investigating the Plan 9 Operating System (article)] * [http://www.minix3.org/ The MINIX 3 Operating System]