[mirror_ubuntu-bionic-kernel.git] / Documentation / kernel-docs.txt

.. _kernel_docs:

Index of Documentation for People Interested in Writing and/or Understanding the Linux Kernel
=============================================================================================

          Juan-Mariano de Goyeneche <jmseyas@dit.upm.es>

.. note::
 The latest version of this document may be found at:
 :http://www.dit.upm.es/~jmseyas/linux/kernel/hackers-docs.html

The need for a document like this one became apparent in the
linux-kernel mailing list as the same questions, asking for pointers
to information, appeared again and again.

Fortunately, as more and more people get to GNU/Linux, more and more
get interested in the Kernel. But reading the sources is not always
enough. It is easy to understand the code, but miss the concepts, the
philosophy and design decisions behind this code.

Unfortunately, not many documents are available for beginners to
start. And, even if they exist, there was no "well-known" place which
kept track of them. These lines try to cover this lack. All documents
available on line known by the author are listed, while some reference
books are also mentioned.

PLEASE, if you know any paper not listed here or write a new document,
send me an e-mail, and I'll include a reference to it here. Any
corrections, ideas or comments are also welcomed.

The papers that follow are listed in no particular order. All are
cataloged with the following fields: the document's "Title", the
"Author"/s, the "URL" where they can be found, some "Keywords" helpful
when searching for specific topics, and a brief "Description" of the
Document.

Enjoy!

ON-LINE DOCS
------------

     * Title: **Linux Device Drivers, Third Edition**

       :Author: Jonathan Corbet, Alessandro Rubini, Greg Kroah-Hartman
       :URL: http://lwn.net/Kernel/LDD3/
       :Description: A 600-page book covering the (2.6.10) driver
         programming API and kernel hacking in general.  Available under the
         Creative Commons Attribution-ShareAlike 2.0 license.

     * Title: **The Linux Kernel**

       :Author: David A. Rusling.
       :URL: http://www.tldp.org/LDP/tlk/tlk.html
       :Keywords: everything!, book.
       :Description: On line, 200 pages book describing most aspects of
         the Linux Kernel. Probably, the first reference for beginners.
         Lots of illustrations explaining data structures use and
         relationships in the purest Richard W. Stevens' style. Contents:
         "1.-Hardware Basics, 2.-Software Basics, 3.-Memory Management,
         4.-Processes, 5.-Interprocess Communication Mechanisms, 6.-PCI,
         7.-Interrupts and Interrupt Handling, 8.-Device Drivers, 9.-The
         File system, 10.-Networks, 11.-Kernel Mechanisms, 12.-Modules,
         13.-The Linux Kernel Sources, A.-Linux Data Structures, B.-The
         Alpha AXP Processor, C.-Useful Web and FTP Sites, D.-The GNU
         General Public License, Glossary". In short: a must have.

     * Title: **Linux Device Drivers, 2nd Edition**

       :Author: Alessandro Rubini and Jonathan Corbet.
       :URL: http://www.xml.com/ldd/chapter/book/index.html
       :Keywords: device drivers, modules, debugging, memory, hardware,
         interrupt handling, char drivers, block drivers, kmod, mmap, DMA,
         buses.
       :Description: O'Reilly's popular book, now also on-line under the
         GNU Free Documentation License.
       :Notes: You can also buy it in paper-form from O'Reilly. See below
         under BOOKS (Not on-line).

     * Title: **Conceptual Architecture of the Linux Kernel**

       :Author: Ivan T. Bowman.
       :URL: http://plg.uwaterloo.ca/
       :Keywords: conceptual software architecture, extracted design,
         reverse engineering, system structure.
       :Description: Conceptual software architecture of the Linux kernel,
         automatically extracted from the source code. Very detailed. Good
         figures. Gives good overall kernel understanding.

     * Title: **Concrete Architecture of the Linux Kernel**

       :Author: Ivan T. Bowman, Saheem Siddiqi, and Meyer C. Tanuan.
       :URL: http://plg.uwaterloo.ca/
       :Keywords: concrete architecture, extracted design, reverse
         engineering, system structure, dependencies.
       :Description: Concrete architecture of the Linux kernel,
         automatically extracted from the source code. Very detailed. Good
         figures. Gives good overall kernel understanding. This papers
         focus on lower details than its predecessor (files, variables...).

     * Title: **Linux as a Case Study: Its Extracted Software Architecture**

       :Author: Ivan T. Bowman, Richard C. Holt and Neil V. Brewster.
       :URL: http://plg.uwaterloo.ca/
       :Keywords: software architecture, architecture recovery,
         redocumentation.
       :Description: Paper appeared at ICSE'99, Los Angeles, May 16-22,
         1999. A mixture of the previous two documents from the same
         author.

     * Title: **Overview of the Virtual File System**

       :Author: Richard Gooch.
       :URL: http://www.mjmwired.net/kernel/Documentation/filesystems/vfs.txt
       :Keywords: VFS, File System, mounting filesystems, opening files,
         dentries, dcache.
       :Description: Brief introduction to the Linux Virtual File System.
         What is it, how it works, operations taken when opening a file or
         mounting a file system and description of important data
         structures explaining the purpose of each of their entries.

     * Title: **The Linux RAID-1, 4, 5 Code**

       :Author: Ingo Molnar, Gadi Oxman and Miguel de Icaza.
       :URL: http://www.linuxjournal.com/article.php?sid=2391
       :Keywords: RAID, MD driver.
       :Description: Linux Journal Kernel Korner article. Here is its
       :Abstract: *A description of the implementation of the RAID-1,
         RAID-4 and RAID-5 personalities of the MD device driver in the
         Linux kernel, providing users with high performance and reliable,
         secondary-storage capability using software*.

     * Title: **Dynamic Kernels: Modularized Device Drivers**

       :Author: Alessandro Rubini.
       :URL: http://www.linuxjournal.com/article.php?sid=1219
       :Keywords: device driver, module, loading/unloading modules,
         allocating resources.
       :Description: Linux Journal Kernel Korner article. Here is its
       :Abstract: *This is the first of a series of four articles
         co-authored by Alessandro Rubini and Georg Zezchwitz which present
         a practical approach to writing Linux device drivers as kernel
         loadable modules. This installment presents an introduction to the
         topic, preparing the reader to understand next month's
         installment*.

     * Title: **Dynamic Kernels: Discovery**

       :Author: Alessandro Rubini.
       :URL: http://www.linuxjournal.com/article.php?sid=1220
       :Keywords: character driver, init_module, clean_up module,
         autodetection, mayor number, minor number, file operations,
         open(), close().
       :Description: Linux Journal Kernel Korner article. Here is its
       :Abstract: *This article, the second of four, introduces part of
         the actual code to create custom module implementing a character
         device driver. It describes the code for module initialization and
         cleanup, as well as the open() and close() system calls*.

     * Title: **On submitting kernel Patches**

       :Author: Andi Kleen
       :URL: http://halobates.de/on-submitting-kernel-patches.pdf
       :Keywords: patches, review process, types of submissions, basic rules, case studies
       :Description: This paper gives several experience values on what types of patches
         there are and how likley they get merged.
       :Abstract:
         [...]. This paper examines some common problems for
          submitting larger changes and some strategies to avoid problems.

     * Title: **Tracing the Way of Data in a TCP Connection through the Linux Kernel**
       :Author: Richard Sailer
       :URL: https://archive.org/details/linux_kernel_data_flow_short_paper
       :Keywords: Linux Kernel Networking, TCP, tracing, ftrace
       :Description: A seminar paper explaining ftrace and how to use it for
         understanding linux kernel internals,
         illustrated at tracing the way of a TCP packet through the kernel.
       :Abstract: *This short paper outlines the usage of ftrace a tracing framework
         as a tool to understand a running Linux system.
         Having obtained a trace-log a kernel hacker can read and understand
         source code more determined and with context.
         In a detailed example this approach is demonstrated in tracing
         and the way of data in a TCP Connection through the kernel.
         Finally this trace-log is used as base for more a exact conceptual
         exploration and description of the Linux TCP/IP implementation.*

     * Title: **The Devil's in the Details**

       :Author: Georg v. Zezschwitz and Alessandro Rubini.
       :URL: http://www.linuxjournal.com/article.php?sid=1221
       :Keywords: read(), write(), select(), ioctl(), blocking/non
         blocking mode, interrupt handler.
       :Description: Linux Journal Kernel Korner article. Here is its
       :Abstract: *This article, the third of four on writing character
         device drivers, introduces concepts of reading, writing, and using
         ioctl-calls*.

     * Title: **Dissecting Interrupts and Browsing DMA**

       :Author: Alessandro Rubini and Georg v. Zezschwitz.
       :URL: http://www.linuxjournal.com/article.php?sid=1222
       :Keywords: interrupts, irqs, DMA, bottom halves, task queues.
       :Description: Linux Journal Kernel Korner article. Here is its
       :Abstract: *This is the fourth in a series of articles about
         writing character device drivers as loadable kernel modules. This
         month, we further investigate the field of interrupt handling.
         Though it is conceptually simple, practical limitations and
         constraints make this an ''interesting'' part of device driver
         writing, and several different facilities have been provided for
         different situations. We also investigate the complex topic of
         DMA*.

     * Title: **Device Drivers Concluded**

       :Author: Georg v. Zezschwitz.
       :URL: http://www.linuxjournal.com/article.php?sid=1287
       :Keywords: address spaces, pages, pagination, page management,
         demand loading, swapping, memory protection, memory mapping, mmap,
         virtual memory areas (VMAs), vremap, PCI.
       :Description: Finally, the above turned out into a five articles
         series. This latest one's introduction reads: "This is the last of
         five articles about character device drivers. In this final
         section, Georg deals with memory mapping devices, beginning with
         an overall description of the Linux memory management concepts".

     * Title: **Network Buffers And Memory Management**

       :Author: Alan Cox.
       :URL: http://www.linuxjournal.com/article.php?sid=1312
       :Keywords: sk_buffs, network devices, protocol/link layer
         variables, network devices flags, transmit, receive,
         configuration, multicast.
       :Description: Linux Journal Kernel Korner.
       :Abstract: *Writing a network device driver for Linux is fundamentally
         simple---most of the complexity (other than talking to the
         hardware) involves managing network packets in memory*.

     * Title: **Linux Kernel Hackers' Guide**

       :Author: Michael K. Johnson.
       :URL: http://www.tldp.org/LDP/khg/HyperNews/get/khg.html
       :Keywords: device drivers, files, VFS, kernel interface, character vs
         block devices, hardware interrupts, scsi, DMA, access to user memory,
         memory allocation, timers.
       :Description: A guide designed to help you get up to speed on the
         concepts that are not intuitevly obvious, and to document the internal
         structures of Linux.

     * Title: **The Venus kernel interface**

       :Author: Peter J. Braam.
       :URL: http://www.coda.cs.cmu.edu/doc/html/kernel-venus-protocol.html
       :Keywords: coda, filesystem, venus, cache manager.
       :Description: "This document describes the communication between
         Venus and kernel level file system code needed for the operation
         of the Coda filesystem. This version document is meant to describe
         the current interface (version 1.0) as well as improvements we
         envisage".

     * Title: **Design and Implementation of the Second Extended Filesystem**

       :Author: Rémy Card, Theodore Ts'o, Stephen Tweedie.
       :URL: http://web.mit.edu/tytso/www/linux/ext2intro.html
       :Keywords: ext2, linux fs history, inode, directory, link, devices,
         VFS, physical structure, performance, benchmarks, ext2fs library,
         ext2fs tools, e2fsck.
       :Description: Paper written by three of the top ext2 hackers.
         Covers Linux filesystems history, ext2 motivation, ext2 features,
         design, physical structure on disk, performance, benchmarks,
         e2fsck's passes description... A must read!
       :Notes: This paper was first published in the Proceedings of the
         First Dutch International Symposium on Linux, ISBN 90-367-0385-9.

     * Title: **Analysis of the Ext2fs structure**

       :Author: Louis-Dominique Dubeau.
       :URL: http://teaching.csse.uwa.edu.au/units/CITS2002/fs-ext2/
       :Keywords: ext2, filesystem, ext2fs.
       :Description: Description of ext2's blocks, directories, inodes,
         bitmaps, invariants...

     * Title: **Linux Kernel Module Programming Guide**

       :Author: Ori Pomerantz.
       :URL: http://tldp.org/LDP/lkmpg/2.6/html/index.html
       :Keywords: modules, GPL book, /proc, ioctls, system calls,
         interrupt handlers .
       :Description: Very nice 92 pages GPL book on the topic of modules
         programming. Lots of examples.

     * Title: **I/O Event Handling Under Linux**

       :Author: Richard Gooch.
       :Keywords: IO, I/O, select(2), poll(2), FDs, aio_read(2), readiness
         event queues.
       :Description: From the Introduction: "I/O Event handling is about
         how your Operating System allows you to manage a large number of
         open files (file descriptors in UNIX/POSIX, or FDs) in your
         application. You want the OS to notify you when FDs become active
         (have data ready to be read or are ready for writing). Ideally you
         want a mechanism that is scalable. This means a large number of
         inactive FDs cost very little in memory and CPU time to manage".

     * Title: **The Kernel Hacking HOWTO**

       :Author: Various Talented People, and Rusty.
       :Location: in kernel tree, Documentation/DocBook/kernel-hacking.tmpl
         (must be built as "make {htmldocs | psdocs | pdfdocs})
       :Keywords: HOWTO, kernel contexts, deadlock, locking, modules,
         symbols, return conventions.
       :Description: From the Introduction: "Please understand that I
         never wanted to write this document, being grossly underqualified,
         but I always wanted to read it, and this was the only way. I
         simply explain some best practices, and give reading entry-points
         into the kernel sources. I avoid implementation details: that's
         what the code is for, and I ignore whole tracts of useful
         routines. This document assumes familiarity with C, and an
         understanding of what the kernel is, and how it is used. It was
         originally written for the 2.3 kernels, but nearly all of it
         applies to 2.2 too; 2.0 is slightly different".

     * Title: **Writing an ALSA Driver**

       :Author: Takashi Iwai <tiwai@suse.de>
       :URL: http://www.alsa-project.org/~iwai/writing-an-alsa-driver/index.html
       :Keywords: ALSA, sound, soundcard, driver, lowlevel, hardware.
       :Description: Advanced Linux Sound Architecture for developers,
         both at kernel and user-level sides. ALSA is the Linux kernel
         sound architecture in the 2.6 kernel version.

     * Title: **Linux Kernel Mailing List Glossary**

       :Author: various
       :URL: http://kernelnewbies.org/glossary/
       :Keywords: glossary, terms, linux-kernel.
       :Description: From the introduction: "This glossary is intended as
         a brief description of some of the acronyms and terms you may hear
         during discussion of the Linux kernel".

     * Title: **Linux Kernel Locking HOWTO**

       :Author: Various Talented People, and Rusty.
       :Location: in kernel tree, Documentation/DocBook/kernel-locking.tmpl
         (must be built as "make {htmldocs | psdocs | pdfdocs})
       :Keywords: locks, locking, spinlock, semaphore, atomic, race
         condition, bottom halves, tasklets, softirqs.
       :Description: The title says it all: document describing the
         locking system in the Linux Kernel either in uniprocessor or SMP
         systems.
       :Notes: "It was originally written for the later (>2.3.47) 2.3
         kernels, but most of it applies to 2.2 too; 2.0 is slightly
         different". Freely redistributable under the conditions of the GNU
         General Public License.

     * Title: **Global spinlock list and usage**

       :Author: Rick Lindsley.
       :URL: http://lse.sourceforge.net/lockhier/global-spin-lock
       :Keywords: spinlock.
       :Description: This is an attempt to document both the existence and
         usage of the spinlocks in the Linux 2.4.5 kernel. Comprehensive
         list of spinlocks showing when they are used, which functions
         access them, how each lock is acquired, under what conditions it
         is held, whether interrupts can occur or not while it is held...

     * Title: **How To Make Sure Your Driver Will Work On The Power Macintosh**

       :Author: Paul Mackerras.
       :URL: http://www.linux-mag.com/id/261
       :Keywords: Mac, Power Macintosh, porting, drivers, compatibility.
       :Description: The title says it all.

     * Title: **An Introduction to SCSI Drivers**

       :Author: Alan Cox.
       :URL: http://www.linux-mag.com/id/284
       :Keywords: SCSI, device, driver.
       :Description: The title says it all.

     * Title: **Advanced SCSI Drivers And Other Tales**

       :Author: Alan Cox.
       :URL: http://www.linux-mag.com/id/307
       :Keywords: SCSI, device, driver, advanced.
       :Description: The title says it all.

     * Title: **Writing Linux Mouse Drivers**

       :Author: Alan Cox.
       :URL: http://www.linux-mag.com/id/330
       :Keywords: mouse, driver, gpm.
       :Description: The title says it all.

     * Title: **More on Mouse Drivers**

       :Author: Alan Cox.
       :URL: http://www.linux-mag.com/id/356
       :Keywords: mouse, driver, gpm, races, asynchronous I/O.
       :Description: The title still says it all.

     * Title: **Writing Video4linux Radio Driver**

       :Author: Alan Cox.
       :URL: http://www.linux-mag.com/id/381
       :Keywords: video4linux, driver, radio, radio devices.
       :Description: The title says it all.

     * Title: **Video4linux Drivers, Part 1: Video-Capture Device**

       :Author: Alan Cox.
       :URL: http://www.linux-mag.com/id/406
       :Keywords: video4linux, driver, video capture, capture devices,
         camera driver.
       :Description: The title says it all.

     * Title: **Video4linux Drivers, Part 2: Video-capture Devices**

       :Author: Alan Cox.
       :URL: http://www.linux-mag.com/id/429
       :Keywords: video4linux, driver, video capture, capture devices,
         camera driver, control, query capabilities, capability, facility.
       :Description: The title says it all.

     * Title: **Linux IP Networking. A Guide to the Implementation and Modification of the Linux Protocol Stack.**

       :Author: Glenn Herrin.
       :URL: http://www.cs.unh.edu/cnrg/gherrin
       :Keywords: network, networking, protocol, IP, UDP, TCP, connection,
         socket, receiving, transmitting, forwarding, routing, packets,
         modules, /proc, sk_buff, FIB, tags.
       :Description: Excellent paper devoted to the Linux IP Networking,
         explaining anything from the kernel's to the user space
         configuration tools' code. Very good to get a general overview of
         the kernel networking implementation and understand all steps
         packets follow from the time they are received at the network
         device till they are delivered to applications. The studied kernel
         code is from 2.2.14 version. Provides code for a working packet
         dropper example.

     * Title: **Linux PCMCIA Programmer's Guide**

       :Author: David Hinds.
       :URL: http://pcmcia-cs.sourceforge.net/ftp/doc/PCMCIA-PROG.html
       :Keywords: PCMCIA.
       :Description: "This document describes how to write kernel device
         drivers for the Linux PCMCIA Card Services interface. It also
         describes how to write user-mode utilities for communicating with
         Card Services.

     * Title: **A Linux vm README**

       :Author: Kanoj Sarcar.
       :URL: http://kos.enix.org/pub/linux-vmm.html
       :Keywords: virtual memory, mm, pgd, vma, page, page flags, page
         cache, swap cache, kswapd.
       :Description: Telegraphic, short descriptions and definitions
         relating the Linux virtual memory implementation.

     * Title: **(nearly) Complete Linux Loadable Kernel Modules. The definitive guide for hackers, virus coders and system administrators.**

       :Author: pragmatic/THC.
       :URL: http://packetstormsecurity.org/docs/hack/LKM_HACKING.html
       :Keywords: syscalls, intercept, hide, abuse, symbol table.
       :Description: Interesting paper on how to abuse the Linux kernel in
         order to intercept and modify syscalls, make
         files/directories/processes invisible, become root, hijack ttys,
         write kernel modules based virus... and solutions for admins to
         avoid all those abuses.
       :Notes: For 2.0.x kernels. Gives guidances to port it to 2.2.x
         kernels.

BOOKS: (Not on-line)
--------------------

     * Title: **Linux Device Drivers**

       :Author: Alessandro Rubini
       :Publisher: O'Reilly & Associates
       :Date: 1998
       :Pages: 439
       :ISBN: 1-56592-292-1

     * Title: **Linux Device Drivers, 2nd Edition**

       :Author: Alessandro Rubini and Jonathan Corbet
       :Publisher: O'Reilly & Associates
       :Date: 2001
       :Pages: 586
       :ISBN: 0-59600-008-1
       :Notes: Further information in
         http://www.oreilly.com/catalog/linuxdrive2/

     * Title: **Linux Device Drivers, 3rd Edition**

       :Authors: Jonathan Corbet, Alessandro Rubini, and Greg Kroah-Hartman
       :Publisher: O'Reilly & Associates
       :Date: 2005
       :Pages: 636
       :ISBN: 0-596-00590-3
       :Notes: Further information in
         http://www.oreilly.com/catalog/linuxdrive3/
         PDF format, URL: http://lwn.net/Kernel/LDD3/

     * Title: **Linux Kernel Internals**

       :Author: Michael Beck
       :Publisher: Addison-Wesley
       :Date: 1997
       :ISBN: 0-201-33143-8 (second edition)

     * Title: **The Design of the UNIX Operating System**

       :Author: Maurice J. Bach
       :Publisher: Prentice Hall
       :Date: 1986
       :Pages: 471
       :ISBN: 0-13-201757-1

     * Title: **The Design and Implementation of the 4.3 BSD UNIX Operating System**

       :Author: Samuel J. Leffler, Marshall Kirk McKusick, Michael J
         Karels, John S. Quarterman
       :Publisher: Addison-Wesley
       :Date: 1989 (reprinted with corrections on October, 1990)
       :ISBN: 0-201-06196-1

     * Title: **The Design and Implementation of the 4.4 BSD UNIX Operating System**

       :Author: Marshall Kirk McKusick, Keith Bostic, Michael J. Karels,
         John S. Quarterman
       :Publisher: Addison-Wesley
       :Date: 1996
       :ISBN: 0-201-54979-4

     * Title: **Programmation Linux 2.0 API systeme et fonctionnement du noyau**

       :Author: Remy Card, Eric Dumas, Franck Mevel
       :Publisher: Eyrolles
       :Date: 1997
       :Pages: 520
       :ISBN: 2-212-08932-5
       :Notes: French

     * Title: **Unix internals -- the new frontiers**

       :Author: Uresh Vahalia
       :Publisher: Prentice Hall
       :Date: 1996
       :Pages: 600
       :ISBN: 0-13-101908-2

     * Title: **Programming for the real world - POSIX.4**

       :Author: Bill O. Gallmeister
       :Publisher: O'Reilly & Associates, Inc
       :Date: 1995
       :Pages: ???
       :ISBN: I-56592-074-0
       :Notes: Though not being directly about Linux, Linux aims to be
         POSIX. Good reference.

     * Title:  **UNIX  Systems  for  Modern Architectures: Symmetric Multiprocessing and Caching for Kernel Programmers**

       :Author: Curt Schimmel
       :Publisher: Addison Wesley
       :Date: June, 1994
       :Pages: 432
       :ISBN: 0-201-63338-8

     * Title: **Linux Kernel Development, 3rd Edition**

       :Author: Robert Love
       :Publisher: Addison-Wesley
       :Date: July, 2010
       :Pages: 440
       :ISBN: 978-0672329463

     * Title: **Linux Kernel Networking: Implementation and Theory**

       :Author: Rami Rosen
       :Publisher: Apress
       :Date: December 22, 2013
       :Pages: 648
       :ISBN: 978-1430261964

     * Title: **Linux Treiber entwickeln**

       :Author: Jürgen Quade, Eva-Katharina Kunst
       :Publisher: dpunkt.verlag
       :Date: Oct 2015 (4th edition)
       :Pages: 688
       :ISBN: 978-3-86490-288-8
       :Note: German. The third edition from 2011 is
          much cheaper and still quite up-to-date.

MISCELLANEOUS
-------------

     * Name: **linux/Documentation**

       :Author: Many.
       :URL: Just look inside your kernel sources.
       :Keywords: anything, DocBook.
       :Description: Documentation that comes with the kernel sources,
         inside the Documentation directory. Some pages from this document
         (including this document itself) have been moved there, and might
         be more up to date than the web version.

     * Name: **Linux Kernel Source Reference**

       :Author: Thomas Graichen.
       :URL: http://marc.info/?l=linux-kernel&m=96446640102205&w=4
       :Keywords: CVS, web, cvsweb, browsing source code.
       :Description: Web interface to a CVS server with the kernel
         sources. "Here you can have a look at any file of the Linux kernel
         sources of any version starting from 1.0 up to the (daily updated)
         current version available. Also you can check the differences
         between two versions of a file".

     * Name: **Cross-Referencing Linux**

       :URL: http://lxr.free-electrons.com/
       :Keywords: Browsing source code.
       :Description: Another web-based Linux kernel source code browser.
         Lots of cross references to variables and functions. You can see
         where they are defined and where they are used.

     * Name: **Linux Weekly News**

       :URL: http://lwn.net
       :Keywords: latest kernel news.
       :Description: The title says it all. There's a fixed kernel section
         summarizing developers' work, bug fixes, new features and versions
         produced during the week. Published every Thursday.

     * Name: **Linux Virtual File System**

       :Author: Peter J. Braam.
       :URL: http://www.coda.cs.cmu.edu/doc/talks/linuxvfs/
       :Keywords: slides, VFS, inode, superblock, dentry, dcache.
       :Description: Set of slides, presumably from a presentation on the
         Linux VFS layer. Covers version 2.1.x, with dentries and the
         dcache.

     * Name: **The home page of Linux-MM**

       :Author: The Linux-MM team.
       :URL: http://linux-mm.org/
       :Keywords: memory management, Linux-MM, mm patches, TODO, docs,
         mailing list.
       :Description: Site devoted to Linux Memory Management development.
         Memory related patches, HOWTOs, links, mm developers... Don't miss
         it if you are interested in memory management development!

     * Name: **Kernel Newbies IRC Channel and Website**

       :URL: http://www.kernelnewbies.org
       :Keywords: IRC, newbies, channel, asking doubts.
       :Description: #kernelnewbies on irc.oftc.net.
         #kernelnewbies is an IRC network dedicated to the 'newbie'
         kernel hacker. The audience mostly consists of people who are
         learning about the kernel, working on kernel projects or
         professional kernel hackers that want to help less seasoned kernel
         people.
         #kernelnewbies is on the OFTC IRC Network.
         Try irc.oftc.net as your server and then /join #kernelnewbies.
         The kernelnewbies website also hosts articles, documents, FAQs...

     * Name: **linux-kernel mailing list archives and search engines**

       :URL: http://vger.kernel.org/vger-lists.html
       :URL: http://www.uwsg.indiana.edu/hypermail/linux/kernel/index.html
       :URL: http://groups.google.com/group/mlist.linux.kernel
       :Keywords: linux-kernel, archives, search.
       :Description: Some of the linux-kernel mailing list archivers. If
         you have a better/another one, please let me know.

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Document last updated on Mon 2016-Sep-19