Directory

Description

Documentation

Text files with general explanations and hints about kernel components

arch

Platform-dependent code

i386

IBM's PC architecture

kernel

Kernel core

mm

Memory management

math-emu

Software emulator for floating-point unit

lib

Hardware-dependent utility functions

boot

Bootstrapping

compressed

Compressed kernel handling

tools

Programs to build compressed kernel image

alpha

Hewlett-Packard's Alpha architecture

arm

Architectures based on ARM processors

cris

Axis Communication AB's Code Reduced Instruction Set architecture used by thin-servers

ia64

Workstations based on Intel's 64-bit Itanium microprocessor

m68k

Motorola's MC680x0-based architecture

mips

MIPS architecture adopted by Silicon Graphics and other computer manufacturers

mips64

64-bit MIPS architecture

parisc

HP 9000 parisc workstations

ppc

Motorola-IBM's PowerPC-based architectures

s390

IBM's ESA/390 and 32-bit zSeries architectures

s390x

IBM's 64-bit zSeries architectures

sh

SuperH-based embedded computers

sparc

Sun's SPARC architecture

sparc64

Sun's Ultra-SPARC architecture

drivers

Device drivers

acorn

Acorn's devices

acpi

Advanced Configuration Power Interface (a power management standard that provides more features than APM)

atm

Support for ATM network architecture

block

Block device drivers

paride

Support for accessing IDE devices from parallel port

bluetooth

Drivers for devices connected through the Bluetooth wireless protocol

cdrom

Proprietary CD-ROM devices (neither ATAPI nor SCSI)

char

Character device drivers

agp

Drivers for AGP video cards

drm

Driver that supports the Xfree86 Direct Rendering Infrastructure

drm-4.0

Another driver that supports the Xfree86 Direct Rendering Infrastructure

ftape

Tape-streaming devices

ip2

Computone Intelliport II multiport serial controllers

joystick

Joysticks

mwave

IBM's Winmodem-like driver for Linux

pcmcia

Driver for PCMCIA serial device

rio

Driver for the Specialix Rio multiport serial card

dio

Hewlett-Packard's HP300 DIO bus support

fc4

Fibre Channel devices

hotplug

Support for hotplugging of PCI devices

i2c

Driver for Philips' I2C 2-wire bus

ide

Drivers for IDE disks

ieee1394

Driver for IEEE1394 high-speed serial bus

input

Input layer module for joysticks, keyboards, and mouses

isdn

ISDN devices

macintosh

Apple's Macintosh devices

md

Layer for "multiple devices" (disk arrays and Logical Volume Manager)

media

Drivers for radio and video devices

message

High performance SCSI + LAN/Fibre Channel drivers

misc

Miscellaneous devices

mtd

Support for Memory Technology Devices (especially flash devices)

net

Network card devices

nubus

Apple's Macintosh Nubus support

parport

Parallel port support

pci

PCI bus support

pcmcia

PCMCIA card support

pnp

Plug-and-play support

s390

IBM's ESA/390 and zSeries device support

sbus

Sun's SPARC SBus support

scsi

SCSI device drivers

sgi

Silicon Graphics' devices

sound

Audio card devices

tc

Hewlett-Packard (formerly DEC) TURBOChannel bus support

telephony

Support for voice-over-IP devices

usb

Universal Serial Bus (USB) support

video

Video card devices

zorro

Amiga's Zorro bus support

fs

Filesystems

adfs

Acorn Disc Filing System

affs

Amiga's Fast File System (FFS)

autofs

Support for kernel-based filesystem automounter daemon

autofs4

Another version of support for kernel-based filesystem automounter daemon (Version 4)

bfs

SCO UnixWare Boot File System

coda

Coda network filesystem

cramfs

Data compressing filesystem for MTD devices

devfs

Device filesystem

devpts

Pseudoterminal support (Open Group's Unix98 standard)

efs

SGI IRIX's EFS filesystem

ext2

Linux native Ext2 filesystem

ext3

Linux native Ext3 filesystem

fat

Common code for FAT-based filesystems

freevxfs

Veritas VxFS filesystem used by SCO UnixWare

hfs

Apple's Macintosh filesystem

hpfs

IBM's OS/2 filesystem

inflate_fs

Layer for decompressing files in cramfs and iso9660 filesystems

intermezzo

InterMezzo high-availability distributed filesystem

isofs

ISO9660 filesystem (CD-ROM)

jbd

Journaling filesystem layer used by Ext3

jffs

Journaling filesystems for MTD devices

jffs2

Another journaling filesystems for MTD devices

lockd

Remote file locking support

minix

MINIX filesystem

msdos

Microsoft's MS-DOS filesystem

ncpfs

Novell's Netware Core Protocol (NCP)

nfs

Network File System (NFS)

nfsd

Integrated Network filesystem server

nls

Native Language Support

ntfs

Microsoft's Windows NT filesystem

openpromfs

Special filesystem for SPARC's OpenPROM device tree

partitions

Code for reading several disk partition formats

proc

/proc virtual filesystem

qnx4

Filesystem for QNX 4 OS

ramfs

Simple RAM filesystem

reiserfs

Reiser filesystem

romfs

Small read-only filesystem

smbfs

Microsoft's Windows Server Message Block (SMB) filesystem

sysv

System V, SCO, Xenix, Coherent, and Version 7 filesystem

udf

Universal Disk Format filesystem (DVD)

ufs

Unix BSD, SunOS, FreeBSD, OpenBSD, and NeXTStep filesystem

umsdos

UMSDOS filesystem

vfat

Microsoft's Windows filesystem (VFAT)

include

Header files (.h)

asm-generic

Platform-independent low-level header files

asm-i386

IBM's PC architecture

asm-xxx

Header files for other architecture

linux

Kernel core

byteorder

Byte-swapping functions

isdn

ISDN functions

lockd

Remote file locking

mtd

MTD devices

netfilter_ipv4

Filtering for TCP/IPv4

netfilter_ipv6

Filtering for TCP/IPv6

nfsd

Integrated Network File Server

raid

RAID disks

sunrpc

Sun's Remote Procedure Call

math-emu

Mathematical coprocessor emulation

net

Networking

pcmcia

PCMCIA support

scsi

SCSI support

video

Frame buffer support

init

Kernel initialization code

ipc

System V's Interprocess Communication

kernel

Kernel core: processes, timing, program execution, signals, modules, etc.

lib

General-purpose kernel functions

mm

Memory handling

net

A bunch of networking protocols

scripts

External programs for building the kernel image