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181 lines
4.7 KiB
Groff
181 lines
4.7 KiB
Groff
.\" Copyright (C) 1993, 1994, 1995, 2001 by Joerg Wunsch, Dresden
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.\" All rights reserved.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS
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.\" OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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.\" WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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.\" DISCLAIMED. IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT,
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.\" INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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.\" (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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.\" SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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.\" STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
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.\" IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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.\" POSSIBILITY OF SUCH DAMAGE.
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.\"
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.\" $FreeBSD$
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.\"
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.Dd December 25, 2001
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.Os
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.Dt FDFORMAT 1
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.Sh NAME
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.Nm fdformat
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.Nd format floppy disks
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.Sh SYNOPSIS
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.Nm
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.Op Fl F Ar fill
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.Op Fl f Ar fmt
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.Op Fl s Ar fmtstr
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.Op Fl nqvy
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.Ar device
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.Sh DESCRIPTION
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The
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.Nm
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utility formats a floppy disk at
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.Ar device ,
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where
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.Ar device
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may either be given as a full path
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name of a device node for a floppy disk drive
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(e.g.\&
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.Pa /dev/fd0 ) ,
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or using an abbreviated name that will be looked up
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under
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.Pa /dev
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(e.g.\&
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.Dq Li fd0 ) .
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.Pp
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The options are as follows:
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.Bl -tag -width ".Fl s Ar fmtstr"
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.It Fl F Ar fill
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Use
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.Ar fill
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as the fill byte for newly formatted sectors.
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The
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.Ar fill
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argument
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must be a number in the range 0 through 255 using common C
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language notation.
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The default value is
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.Dq Li 0xf6 .
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.It Fl f Ar fmt
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Specify the density settings for a
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.Ar fmt
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kilobyte format, as described in
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.Xr fdcontrol 8 .
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.It Fl s Ar fmtstr
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Specify the density settings using explicit parameters, as
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described in
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.Xr fdcontrol 8 .
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.It Fl n
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Do not verify floppy after formatting.
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.It Fl q
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Suppress any normal output from the command, and do not ask the
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user for a confirmation whether to format the floppy disk at
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.Ar device .
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.It Fl v
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Do not format, verify only.
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.It Fl y
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Do not ask for confirmation whether to format the floppy disk but
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still report formatting status.
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.El
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.Pp
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For non-autoselecting subdevices, neither
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.Fl f Ar fmt
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nor
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.Fl s Ar fmtstr
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may be specified, since the preconfigured media density settings
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from the kernel driver will always be used.
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However, if
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.Ar device
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is a device with automatic media density selection (see
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.Xr fdc 4 ) ,
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both methods can be used to override the density settings for the
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newly formatted medium (without permanently changing the density
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settings of
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.Ar device ) .
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.Pp
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If the
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.Fl q
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flag has not been specified, the user is asked for a confirmation
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of the intended formatting process.
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In order to continue, an answer
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of
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.Ql y
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must be given.
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.Pp
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Note that
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.Nm
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does only perform low-level formatting.
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In order to create
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a file system on the medium, see the commands
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.Xr newfs 8
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for a
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.Tn UFS
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file system, or
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.Xr newfs_msdos 8
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for an
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.Tn MS-DOS
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(FAT)
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file system.
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.Sh EXIT STATUS
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An exit status of 0 is returned upon successful operation.
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Exit status
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1 is returned on any errors during floppy formatting, and an exit status
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of 2 reflects invalid arguments given to the program (along with an
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appropriate information written to diagnostic output).
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.Sh DIAGNOSTICS
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Unless
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.Fl q
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has been specified, a single letter is printed to standard output
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to inform the user about the progress of work.
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First, an
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.Ql F
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is printed when the track is being formatted, then a
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.Ql V
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while it is being verified, and if an error has been detected, it
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will finally change to
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.Ql E .
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Detailed status information (cylinder, head and sector number, and the
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exact cause of the error) will be printed for up to 10 errors after the
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entire formatting process has completed.
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.Sh SEE ALSO
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.Xr fdc 4 ,
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.Xr fdcontrol 8 ,
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.Xr newfs 8 ,
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.Xr newfs_msdos 8
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.Sh HISTORY
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The
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.Nm
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utility
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has been developed for
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.Bx 386 0.1
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and upgraded to the new
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.Xr fdc 4
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floppy disk driver.
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It later became part of the
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.Fx 1.1
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system.
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Starting with
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.Fx 5.0 ,
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it uses the unified density specifications as described in
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.Xr fdcontrol 8 .
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.Sh AUTHORS
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.An -nosplit
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The program has been contributed by
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.An J\(:org Wunsch ,
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Dresden, with changes by
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.An Serge Vakulenko
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and
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.An Andrey A. Chernov ,
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Moscow.
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