- document 'p' file type.
- fix stale documentation about the location of the major/minor device tables in the kernel.
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@ -1,4 +1,4 @@
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.\" $NetBSD: mknod.8,v 1.15 1998/09/11 07:20:48 mycroft Exp $
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.\" $NetBSD: mknod.8,v 1.16 1998/11/24 22:55:23 christos Exp $
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.\"
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.\" Copyright (c) 1980, 1991, 1993
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.\" The Regents of the University of California. All rights reserved.
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@ -54,10 +54,13 @@
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.Ar name
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.Op Cm c | Cm b
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.Ar number
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.Nm ""
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.Ar name
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.Cm p
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.Sh DESCRIPTION
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The
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.Nm
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command creates device special files.
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command creates device special files, or fifos.
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Normally the shell script
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.Pa /dev/MAKEDEV
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is used to create special files for commonly known devices; it executes
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@ -74,7 +77,7 @@ Device name, for example
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for a SCSI disk on an HP300 or a
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.Dq pty
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for pseudo-devices.
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.It Cm b | Cm c
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.It Cm b | Cm c | Cm p
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Type of device. If the
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device is a block type device such as a tape or disk drive which needs
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both cooked and raw special files,
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@ -83,6 +86,9 @@ the type is
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All other devices are character type devices, such as terminal
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and pseudo devices, and are type
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.Cm c .
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Specifying
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.Cm p
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creates fifo files.
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.It Ar major
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The major device number is an integer number which tells the kernel
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which device driver entry point to use. To learn what
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@ -91,11 +97,11 @@ major device number to use for a particular device, check the file
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to see if the device is known, or check
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the system dependent device configuration file:
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.Bd -filled -offset indent
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.Dq Pa /usr/src/sys/conf/device. Ns Em architecture
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.Dq Pa /usr/src/sys/<arch>/<arch>/conf.c
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.Ed
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.Pp
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(for example
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.Pa device.hp300 ) .
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.Pa /usr/src/sys/vax/vax/conf.c ) .
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.It Ar minor
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The minor device number tells the kernel which one of several similar
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devices the node corresponds to; for example, it may be a specific serial
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