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INSTALL revision 1.40.8.6
      1  1.40.8.6  nathanw #	$NetBSD: INSTALL,v 1.40.8.6 2002/06/20 03:42:29 nathanw Exp $
      2  1.40.8.2  nathanw 
      3  1.40.8.2  nathanw #
      4  1.40.8.2  nathanw #	INSTALL -- installation kernel.
      5  1.40.8.2  nathanw #
      6  1.40.8.2  nathanw 
      7  1.40.8.2  nathanw include "arch/x68k/conf/std.x68k"
      8  1.40.8.2  nathanw 
      9  1.40.8.6  nathanw #options 	INCLUDE_CONFIG_FILE	# embed config file in kernel binary
     10  1.40.8.6  nathanw 
     11  1.40.8.6  nathanw #ident 		"INSTALL-$Revision: 1.40.8.6 $"
     12  1.40.8.2  nathanw 
     13  1.40.8.2  nathanw makeoptions	COPTS="-Os"		# Optimise for space. Implies -O2
     14  1.40.8.2  nathanw 
     15  1.40.8.2  nathanw maxusers	4
     16  1.40.8.2  nathanw 
     17  1.40.8.2  nathanw ## Enable the hooks used for initializing the memory-disk.
     18  1.40.8.2  nathanw options 	MEMORY_DISK_HOOKS
     19  1.40.8.2  nathanw options 	MEMORY_DISK_IS_ROOT	# Force root on memory-disk
     20  1.40.8.2  nathanw options 	MEMORY_DISK_SERVER=0	# No user space hooks
     21  1.40.8.5  nathanw #options 	MEMORY_DISK_ROOT_SIZE=2400	# 1.2M, same as a 130mm floppy
     22  1.40.8.5  nathanw #options 	MEMORY_DISK_ROOT_SIZE=2880	# 1.44M, same as a 90mm floppy
     23  1.40.8.5  nathanw options 	MEMORY_DISK_ROOT_SIZE=2550
     24  1.40.8.2  nathanw 
     25  1.40.8.2  nathanw ## System kernel configuration.  See options(4) for more detail.
     26  1.40.8.2  nathanw 
     27  1.40.8.2  nathanw 
     28  1.40.8.2  nathanw ## Options for variants of the m68k MPU
     29  1.40.8.2  nathanw ## you must have at least the correct one; REQUIRED
     30  1.40.8.2  nathanw options 	M68030
     31  1.40.8.2  nathanw options 	M68040
     32  1.40.8.2  nathanw options 	M68060
     33  1.40.8.2  nathanw ## If you want an optimized kernel for a specific processor, use either:
     34  1.40.8.2  nathanw #makeoptions	CMACHFLAGS="-m68030"
     35  1.40.8.2  nathanw #makeoptions	CMACHFLAGS="-m68040 -Wa,-m68030 -Wa,-m68851"
     36  1.40.8.2  nathanw #makeoptions	CMACHFLAGS="-m68060 -Wa,-m68030 -Wa,-m68851"
     37  1.40.8.2  nathanw 
     38  1.40.8.2  nathanw 
     39  1.40.8.2  nathanw #### System options specific to the x68k port
     40  1.40.8.2  nathanw 
     41  1.40.8.2  nathanw options 	EXTENDED_MEMORY		# support for >16MB memory
     42  1.40.8.2  nathanw options 	FPU_EMULATE		# software fpu emulation for MC68030
     43  1.40.8.2  nathanw options 	FPSP			# floating point emulation for MC68040
     44  1.40.8.2  nathanw options 	M060SP			# int/fp emulation for MC68060
     45  1.40.8.2  nathanw #options 	JUPITER			# support for "Jupiter-X" accelerator
     46  1.40.8.2  nathanw #options 	MAPPEDCOPY		# use page mapping for large copyin/copyout
     47  1.40.8.2  nathanw #options 	ZSCONSOLE,ZSCN_SPEED="9600"	# use serial console
     48  1.40.8.2  nathanw 
     49  1.40.8.2  nathanw 
     50  1.40.8.2  nathanw #### System options that are the same for all ports
     51  1.40.8.2  nathanw 
     52  1.40.8.2  nathanw ## Root device configuration: change the ?'s if you are going to use a
     53  1.40.8.2  nathanw ## nonstandard root partition (other than where the kernel is booted from)
     54  1.40.8.2  nathanw ## and/or nonstandard root type (not ffs or nfs).  Normally this can be
     55  1.40.8.2  nathanw ## automagically determined at boot time.
     56  1.40.8.2  nathanw 
     57  1.40.8.2  nathanw config		netbsd	root on ? type ?
     58  1.40.8.2  nathanw #config		netbsd	root on sd0 type ffs
     59  1.40.8.2  nathanw 
     60  1.40.8.2  nathanw ## RTC is offset from GMT; -540 means JST-9
     61  1.40.8.2  nathanw options 	RTC_OFFSET=-540	# hardware clock is this many mins. west of GMT
     62  1.40.8.2  nathanw 
     63  1.40.8.2  nathanw ## System call tracing (see ktrace(1)).
     64  1.40.8.2  nathanw #options 	KTRACE
     65  1.40.8.2  nathanw 
     66  1.40.8.2  nathanw ## Collect statistics on kernel malloc's and free's.  This does have a
     67  1.40.8.2  nathanw ## significant performance hit on slower machines, so it is intended for
     68  1.40.8.2  nathanw ## diagnostic use only.
     69  1.40.8.2  nathanw #options 	KMEMSTATS
     70  1.40.8.2  nathanw 
     71  1.40.8.2  nathanw ## System V compatible IPC subsystem.  (msgctl(2), semctl(2), and shmctl(2))
     72  1.40.8.2  nathanw #options 	SYSVMSG		# System V message queues
     73  1.40.8.2  nathanw #options 	SYSVSEM		# System V semaphores
     74  1.40.8.2  nathanw #options 	SYSVSHM		# System V shared memory
     75  1.40.8.2  nathanw #options 	SHMMAXPGS=1024	# 1024 pages is the default
     76  1.40.8.2  nathanw 
     77  1.40.8.2  nathanw ## Loadable kernel module support
     78  1.40.8.2  nathanw #options 	LKM
     79  1.40.8.2  nathanw 
     80  1.40.8.5  nathanw #options 	USERCONF	# userconf(4) support
     81  1.40.8.3  nathanw options		PIPE_SOCKETPAIR	# smaller, but slower pipe(2)
     82  1.40.8.3  nathanw 
     83  1.40.8.2  nathanw ## NFS boot options; not supported currently: needs nfsboot program
     84  1.40.8.2  nathanw #options 	NFS_BOOT_BOOTPARAM
     85  1.40.8.2  nathanw #options 	NFS_BOOT_BOOTP
     86  1.40.8.2  nathanw #options 	NFS_BOOT_DHCP
     87  1.40.8.2  nathanw 
     88  1.40.8.2  nathanw #### Debugging options
     89  1.40.8.2  nathanw 
     90  1.40.8.2  nathanw ## The DDB in-kernel debugger runs at panic (unless DDB_ONPANIC=0), or at
     91  1.40.8.2  nathanw ## serial console break or keyboard reset, where the PROM would normally
     92  1.40.8.2  nathanw ## intercept.  DDB_HISTORY_SIZE adds up/down arrow command history.
     93  1.40.8.2  nathanw #options 	DDB			# kernel dynamic debugger
     94  1.40.8.2  nathanw #options 	DDB_HISTORY_SIZE=100	# enable history editing in DDB
     95  1.40.8.2  nathanw #options 	DDB_ONPANIC=1		# see also sysctl(8): `ddb.onpanic'
     96  1.40.8.2  nathanw #options 	PANICBUTTON		# interrupt switch invokes DDB
     97  1.40.8.2  nathanw 
     98  1.40.8.2  nathanw ## You may also use gdb, on another computer connected to this machine over
     99  1.40.8.2  nathanw ## a serial port.  Both KGDB_DEV and KGDB_DEVRATE should be specified;
    100  1.40.8.2  nathanw ## KGDB_DEV is a dev_t encoded device number of the serial port to use.
    101  1.40.8.2  nathanw ## KGDB is not supported for now.
    102  1.40.8.2  nathanw #options 	KGDB			# support for kernel gdb
    103  1.40.8.2  nathanw #options 	KGDB_DEV=0xc00		# kgdb device number
    104  1.40.8.2  nathanw #options 	KGDB_DEVRATE=9600	# baud rate
    105  1.40.8.2  nathanw 
    106  1.40.8.2  nathanw ## Compile the kernel with debugging symbols (`netbsd.gdb' is the debug file),
    107  1.40.8.2  nathanw ## such that gdb(1) can be used on a kernel coredump.
    108  1.40.8.2  nathanw 
    109  1.40.8.2  nathanw #makeoptions	DEBUG="-g"
    110  1.40.8.2  nathanw 
    111  1.40.8.2  nathanw ## Adds code to the kernel that does internal consistency checks, and will
    112  1.40.8.2  nathanw ## cause the kernel to panic if corruption of internal data structures
    113  1.40.8.2  nathanw ## is detected.
    114  1.40.8.2  nathanw #options 	DIAGNOSTIC	# extra kernel sanity checking
    115  1.40.8.2  nathanw 
    116  1.40.8.2  nathanw ## Enable (possibly expensive) debugging code that may also display messages
    117  1.40.8.2  nathanw ## on the system console
    118  1.40.8.2  nathanw #options 	DEBUG
    119  1.40.8.2  nathanw 
    120  1.40.8.2  nathanw ## Make SCSI error messages more verbose when explaining their meanings.
    121  1.40.8.2  nathanw #options 	SCSIVERBOSE
    122  1.40.8.2  nathanw 
    123  1.40.8.2  nathanw ## `INSECURE' turns off the kernel security level (securelevel = 0 always).
    124  1.40.8.2  nathanw ## This allows writing to /dev/mem, loading kernel modules while multi-user,
    125  1.40.8.2  nathanw ## and other insecurities good only for development work.  Do not use this
    126  1.40.8.2  nathanw ## option on a production machine.
    127  1.40.8.2  nathanw #options 	INSECURE
    128  1.40.8.2  nathanw 
    129  1.40.8.2  nathanw ## Allow non-root users to grab /dev/console with programs such as xconsole.
    130  1.40.8.2  nathanw ## `xconsole' therefore does not need setuid root with this option enabled.
    131  1.40.8.2  nathanw #options 	UCONSOLE
    132  1.40.8.2  nathanw 
    133  1.40.8.2  nathanw ## `FDSCRIPTS' allows non-readable but executable scripts by providing a
    134  1.40.8.2  nathanw ## pre-opened opaque file to the script interpreter.  `SETUIDSCRIPTS',
    135  1.40.8.2  nathanw ## which implies FDSCRIPTS, allows scripts to be set-user-id using the same
    136  1.40.8.2  nathanw ## opaque file mechanism.  Perl calls this "secure setuid scripts."
    137  1.40.8.2  nathanw 
    138  1.40.8.2  nathanw #options 	FDSCRIPTS
    139  1.40.8.2  nathanw #options 	SETUIDSCRIPTS
    140  1.40.8.2  nathanw 
    141  1.40.8.2  nathanw ## Options for compatibility with previous releases foreign system binaries.
    142  1.40.8.2  nathanw 
    143  1.40.8.2  nathanw #options 	COMPAT_43	# 4.3BSD system interfaces
    144  1.40.8.2  nathanw #options 	COMPAT_09	# NetBSD 0.9 binary compatibility
    145  1.40.8.2  nathanw #options 	COMPAT_10	# NetBSD 1.0 binary compatibility
    146  1.40.8.2  nathanw #options 	COMPAT_11	# NetBSD 1.1 binary compatibility
    147  1.40.8.2  nathanw #options 	COMPAT_12	# NetBSD 1.2 binary compatibility
    148  1.40.8.2  nathanw #options 	COMPAT_13	# NetBSD 1.3 binary compatibility
    149  1.40.8.2  nathanw #options 	COMPAT_14	# NetBSD 1.4 binary compatibility
    150  1.40.8.2  nathanw #options 	COMPAT_AOUT_M68K # compatibility with NetBSD/m68k a.out
    151  1.40.8.2  nathanw #options 	COMPAT_M68K4K	# NetBSD/m68k4k binaries
    152  1.40.8.2  nathanw #options 	COMPAT_SUNOS	# SunOS 4.x binary compatibility; broken
    153  1.40.8.2  nathanw #options 	COMPAT_SVR4	# SVR4 binary compatibility; broken
    154  1.40.8.2  nathanw #options 	COMPAT_LINUX	# Linux/m68k binary compatibility
    155  1.40.8.2  nathanw #options 	TCP_COMPAT_42	# 4.2BSD TCP/IP bug compat. Not recommended.
    156  1.40.8.2  nathanw 
    157  1.40.8.2  nathanw ## File systems.
    158  1.40.8.2  nathanw file-system	FFS		# Berkeley Fast Filesystem
    159  1.40.8.2  nathanw file-system	NFS		# Sun NFS-compatible filesystem client
    160  1.40.8.2  nathanw #file-system	KERNFS		# kernel data-structure filesystem
    161  1.40.8.2  nathanw #file-system	NULLFS		# NULL layered filesystem (buggy)
    162  1.40.8.2  nathanw #file-system 	OVERLAY		# overlay file system
    163  1.40.8.2  nathanw #file-system	MFS		# memory-based filesystem
    164  1.40.8.2  nathanw #file-system	FDESC		# user file descriptor filesystem
    165  1.40.8.2  nathanw #file-system	UMAPFS		# uid/gid remapping filesystem
    166  1.40.8.2  nathanw #file-system	LFS		# Log-structured filesystem (experimental)
    167  1.40.8.2  nathanw #file-system	PORTAL		# portal filesystem (experimental)
    168  1.40.8.2  nathanw #file-system	PROCFS		# /proc
    169  1.40.8.2  nathanw file-system	CD9660		# ISO 9660 + Rock Ridge file system
    170  1.40.8.2  nathanw #file-system	UNION		# union file system (a little buggy)
    171  1.40.8.2  nathanw file-system	MSDOSFS		# MS-DOS FAT filesystem(s).
    172  1.40.8.2  nathanw #file-system 	ADOSFS		# AmigaDOS filesystem
    173  1.40.8.2  nathanw 
    174  1.40.8.2  nathanw ## File system options.
    175  1.40.8.2  nathanw #options 	NFSSERVER	# Sun NFS-compatible filesystem server
    176  1.40.8.2  nathanw #options 	QUOTA		# FFS quotas
    177  1.40.8.2  nathanw #options 	FFS_EI		# FFS Endian Independent support
    178  1.40.8.2  nathanw #options 	SOFTDEP		# FFS soft updates support.
    179  1.40.8.2  nathanw #options 	NFS_V2_ONLY	# Exclude NFS3 and NQNFS code to save space
    180  1.40.8.2  nathanw #options 	VNODE_OP_NOINLINE # Save space by not inlining vnode op calls
    181  1.40.8.2  nathanw 
    182  1.40.8.2  nathanw ## Network protocol support.  In most environments, INET is required.
    183  1.40.8.2  nathanw options 	INET		# IP (Internet Protocol) v4
    184  1.40.8.2  nathanw options 	INET6		# IPV6
    185  1.40.8.2  nathanw #options 	IPSEC		# IP security
    186  1.40.8.2  nathanw #options 	IPSEC_ESP	# IP security (encryption part; define w/IPSEC)
    187  1.40.8.2  nathanw #options 	IPSEC_DEBUG	# debug for IP security
    188  1.40.8.2  nathanw #options 	GATEWAY		# packet forwarding ("router switch")
    189  1.40.8.2  nathanw #options 	MROUTING	# packet forwarding of multicast packets
    190  1.40.8.2  nathanw #options 	DIRECTED_BROADCAST	# allow broadcasts through routers
    191  1.40.8.2  nathanw #options 	NS		# Xerox NS networking
    192  1.40.8.2  nathanw #options 	NSIP		# Xerox NS tunneling over IP
    193  1.40.8.2  nathanw #options 	ISO,TPIP	# OSI networking
    194  1.40.8.2  nathanw #options 	EON		# OSI tunneling over IP
    195  1.40.8.2  nathanw #options 	CCITT,LLC,HDLC	# X.25 packet switched protocol
    196  1.40.8.2  nathanw #options 	NETATALK	# AppleTalk (over Ethernet) protocol
    197  1.40.8.2  nathanw #options 	NTP		# Network Time Protocol in-kernel support
    198  1.40.8.2  nathanw #options 	PPS_SYNC	# Add serial line synchronization for NTP
    199  1.40.8.2  nathanw #options 	PFIL_HOOKS	# Add pfil(9) hooks, intended for custom LKMs.
    200  1.40.8.2  nathanw #options 	IPFILTER_LOG	# Add ipmon(8) logging for ipfilter device
    201  1.40.8.2  nathanw #options 	PPP_BSDCOMP	# Add BSD compression to ppp device
    202  1.40.8.2  nathanw #options 	PPP_DEFLATE	# Add deflate (libz) compression to ppp device
    203  1.40.8.2  nathanw #options 	PPP_FILTER	# Add active filters for ppp (via bpf)
    204  1.40.8.2  nathanw #options 	TCP_DEBUG	# Record last TCP_NDEBUG packets with SO_DEBUG
    205  1.40.8.2  nathanw 
    206  1.40.8.2  nathanw 
    207  1.40.8.2  nathanw #### Device configurations
    208  1.40.8.2  nathanw 
    209  1.40.8.2  nathanw ## Fundamental devices; see also std.x68k
    210  1.40.8.2  nathanw dmac0	at intio0 addr 0xe84000		# DMA controler
    211  1.40.8.2  nathanw xel0	at intio0
    212  1.40.8.2  nathanw opm0	at intio0 addr 0xe90000		# OPM: required for fdc
    213  1.40.8.2  nathanw 
    214  1.40.8.2  nathanw ## Display devices and console
    215  1.40.8.2  nathanw grfbus0	at mainbus0			# bitmapped displays
    216  1.40.8.2  nathanw grf0	at grfbus0			# multiplane graphics
    217  1.40.8.2  nathanw #grf1	at grfbus0			# flexible graphics
    218  1.40.8.2  nathanw 
    219  1.40.8.2  nathanw kbd0	at mfp0				# standard keyboard
    220  1.40.8.2  nathanw ite0	at grf0				# internal terminal emulator
    221  1.40.8.2  nathanw options 	ITE_KERNEL_ATTR=4	# bold for kernel messages
    222  1.40.8.2  nathanw 					# see /sys/arch/x68k/dev/itevar.h
    223  1.40.8.2  nathanw #pseudo-device	pow		2	# software power switch
    224  1.40.8.2  nathanw 
    225  1.40.8.2  nathanw ## floppy disks
    226  1.40.8.2  nathanw fdc0	at intio0 addr 0xe94000 intr 96 dma 0 dmaintr 100 # floppy controler
    227  1.40.8.2  nathanw fd*	at fdc0 unit ?			# builtin floppy drives
    228  1.40.8.2  nathanw 
    229  1.40.8.2  nathanw ## SCSI devices
    230  1.40.8.2  nathanw scsirom0 at intio0				# SCSI BIOS
    231  1.40.8.2  nathanw scsirom1 at intio0				# SCSI BIOS
    232  1.40.8.2  nathanw spc*	at scsirom?				# genuin SCSI
    233  1.40.8.2  nathanw scsibus* at spc?
    234  1.40.8.2  nathanw mha0	at scsirom?				# Mankai MK-HA1 (Mach-2)
    235  1.40.8.2  nathanw scsibus* at mha0
    236  1.40.8.2  nathanw 
    237  1.40.8.2  nathanw sd*	at scsibus? target ? lun ?	# SCSI disks
    238  1.40.8.2  nathanw cd*	at scsibus? target ? lun ?	# SCSI CD-ROMs
    239  1.40.8.2  nathanw st*	at scsibus? target ? lun ?	# SCSI tapes
    240  1.40.8.2  nathanw #ss*	at scsibus? target ? lun ?	# SCSI scanners
    241  1.40.8.2  nathanw #ch*	at scsibus? target ? lun ?	# SCSI changer devices
    242  1.40.8.2  nathanw #uk*	at scsibus? target ? lun ?	# SCSI unknown devices
    243  1.40.8.2  nathanw 
    244  1.40.8.2  nathanw ## Ports
    245  1.40.8.2  nathanw zsc0	at intio0 addr 0xe98000 intr 112
    246  1.40.8.2  nathanw zstty0	at zsc0 channel 0		# built-in RS-232C
    247  1.40.8.2  nathanw #ms0	at zsc0 channel 1		# standard mouse
    248  1.40.8.2  nathanw #zsc1	at intio0 addr 0xeafc00 intr 113
    249  1.40.8.2  nathanw #zstty2	at zsc1 channel 0
    250  1.40.8.2  nathanw #zstty3	at zsc1 channel 1
    251  1.40.8.2  nathanw #zsc2	at intio0 addr 0xeafc10 intr 114
    252  1.40.8.2  nathanw #zstty4	at zsc2 channel 0
    253  1.40.8.2  nathanw #zstty5	at zsc2 channel 1
    254  1.40.8.2  nathanw #par0	at intio0 addr 0xe8c000 	# Builtin printer port
    255  1.40.8.2  nathanw 
    256  1.40.8.2  nathanw pseudo-device	sram			# battery-backuped static RAM
    257  1.40.8.2  nathanw #pseudo-device	bell			# OPM bell
    258  1.40.8.2  nathanw 
    259  1.40.8.2  nathanw #xcom0	at mainbus0			# NS16550 fast serial
    260  1.40.8.2  nathanw #xcom1	at mainbus0
    261  1.40.8.2  nathanw 
    262  1.40.8.2  nathanw ## Audio device
    263  1.40.8.2  nathanw #vs0 at intio0 addr 0xe92000 dma 3 dmaintr 106
    264  1.40.8.2  nathanw #audio*	at vs?
    265  1.40.8.2  nathanw 
    266  1.40.8.2  nathanw ## Network interfaces
    267  1.40.8.2  nathanw ne*	at intio0 addr 0xece300 intr 249	# Nereid Ethernet
    268  1.40.8.3  nathanw ne*	at intio0 addr 0xeceb00 intr 248	# Nereid Ethernet
    269  1.40.8.2  nathanw neptune0 at intio0 addr 0xece000 intr 249	# Neptune-X
    270  1.40.8.2  nathanw neptune1 at intio0 addr 0xece400 intr 249	# Neptune-X at alt. addr.
    271  1.40.8.2  nathanw ne*	at neptune? addr 0x300			# NE2000 or clone
    272  1.40.8.2  nathanw 
    273  1.40.8.2  nathanw 
    274  1.40.8.2  nathanw #### Pseudo devices
    275  1.40.8.2  nathanw 
    276  1.40.8.2  nathanw ## A disk-like interface to files.  Can be used to create floppy, CD,
    277  1.40.8.2  nathanw ## miniroot images, etc.
    278  1.40.8.2  nathanw 
    279  1.40.8.2  nathanw #pseudo-device	vnd	4
    280  1.40.8.2  nathanw 
    281  1.40.8.2  nathanw ## Concatenated and striped disks; with this, you can create a software-based
    282  1.40.8.2  nathanw ## disk array similar to a "RAID 0" setup.  See ccd(4).
    283  1.40.8.2  nathanw 
    284  1.40.8.2  nathanw #pseudo-device	ccd	4
    285  1.40.8.2  nathanw 
    286  1.40.8.2  nathanw ## RAIDframe disk driver: software RAID driver.  See raid(4).
    287  1.40.8.2  nathanw 
    288  1.40.8.2  nathanw #pseudo-device	raid	4
    289  1.40.8.2  nathanw #options 	RAID_AUTOCONFIG		# auto-configuration of RAID components
    290  1.40.8.2  nathanw 
    291  1.40.8.2  nathanw ## Memory disk device, used on boot floppies with compressed
    292  1.40.8.2  nathanw ## kernel-plus-root-disk images.
    293  1.40.8.2  nathanw 
    294  1.40.8.2  nathanw pseudo-device	md	1
    295  1.40.8.2  nathanw 
    296  1.40.8.2  nathanw ## Loopback network interface; required
    297  1.40.8.2  nathanw pseudo-device	loop
    298  1.40.8.2  nathanw 
    299  1.40.8.2  nathanw ## SLIP and CSLIP interfaces, for IP over a serial line.
    300  1.40.8.2  nathanw pseudo-device	sl		1
    301  1.40.8.2  nathanw 
    302  1.40.8.2  nathanw ## PPP, the successor to SLIP.  See pppd(8).
    303  1.40.8.2  nathanw #pseudo-device	ppp		1
    304  1.40.8.2  nathanw 
    305  1.40.8.2  nathanw ## Network "tunnel" device, allowing protocol stacks to run in the userland.
    306  1.40.8.2  nathanw ## This is used by the third-party user-mode "ppp" program, and others.
    307  1.40.8.2  nathanw #pseudo-device	tun		4
    308  1.40.8.2  nathanw 
    309  1.40.8.2  nathanw ## Generic L3 over IP tunnel
    310  1.40.8.2  nathanw #pseudo-device	gre		2	# generic L3 over IP tunnel
    311  1.40.8.2  nathanw 
    312  1.40.8.2  nathanw ## Berkeley Packet Filter, required to run RARPD.  A generic C-language
    313  1.40.8.2  nathanw ## interface that allows selective examining of incoming packets.
    314  1.40.8.2  nathanw #pseudo-device	bpfilter	4
    315  1.40.8.2  nathanw 
    316  1.40.8.2  nathanw ## IP Filter, used in firewall and NAT applications.  See ipnat(8) for
    317  1.40.8.2  nathanw ## one example of the use of the IP Filter.
    318  1.40.8.2  nathanw #pseudo-device	ipfilter
    319  1.40.8.2  nathanw 
    320  1.40.8.2  nathanw ## for IPv6
    321  1.40.8.2  nathanw #pseudo-device	gif		1	# IPv[46] over IPv[46] tunnel (RFC1933)
    322  1.40.8.2  nathanw #pseudo-device	faith		1	# IPv[46] tcp relay translation i/f
    323  1.40.8.2  nathanw #pseudo-device	stf		1	# 6to4 IPv6 over IPv4 encapsulation
    324  1.40.8.2  nathanw 
    325  1.40.8.2  nathanw ## IEEE 802.1Q Virtual LAN encapsulation, see vlan(4).
    326  1.40.8.2  nathanw #pseudo-device  vlan
    327  1.40.8.2  nathanw 
    328  1.40.8.2  nathanw ## Simple inter-network traffic bridging
    329  1.40.8.2  nathanw #pseudo-device  bridge
    330  1.40.8.2  nathanw 
    331  1.40.8.2  nathanw #### Other device configuration
    332  1.40.8.2  nathanw 
    333  1.40.8.2  nathanw ## Pseudo ttys, required for network logins and programs like screen.
    334  1.40.8.2  nathanw 
    335  1.40.8.2  nathanw pseudo-device	pty		2	# pseudo-terminals (Sysinst needs two)
    336  1.40.8.2  nathanw 
    337  1.40.8.2  nathanw ## Random device, used to implement /dev/random (a source of random noise),
    338  1.40.8.2  nathanw ## and generate randomness for some kernel formulae.
    339  1.40.8.2  nathanw 
    340  1.40.8.2  nathanw #pseudo-device	rnd
    341