162 lines
4.6 KiB
Groff
162 lines
4.6 KiB
Groff
.\" Copyright (C) 1993, 1994, 1995 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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.Dd September 16, 1993
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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 fdformat
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.Op Fl q
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.Op Fl v | Fl n
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.Op Fl f Ar capacity
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.Op Fl c Ar cyls
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.Op Fl s Ar secs
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.Op Fl h Ar heads
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.br
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.Op Fl r Ar rate
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.Op Fl g Ar gap3len
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.Op Fl i Ar intleave
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.Op Fl S Ar secshft
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.Op Fl F Ar fillbyte
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.Op Fl t Ar steps_per_track
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.Ar device_name
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.Sh DESCRIPTION
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.Nm Fdformat
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formats a floppy disk at device
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.Ar device_name .
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.Ar Device_name
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should be a character device; it may be given either with a full path
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name of a raw device node for a floppy disk drive
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.Pq e.\ g. Pa /dev/rfd0 ,
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or default name in an abbreviated form
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.Pq e.\ g. Em fd0 .
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In the latter case, the name is constructed by prepending
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.Pa /dev/r
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and appending a
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.Em .capacity
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to the
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.Ar device_name .
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Note that any geometry constraints of the device node
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.Pq minor device number
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are meaningless, since they're overridden by
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.Nm fdformat .
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.Pp
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The options are as follows:
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.Bl -tag -width 10n -offset indent
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.It Fl q
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Suppress any normal output from the command, and don't ask the
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user for a confirmation whether to format the floppy disk at
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.Ar device_name .
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.It Fl f Ar capacity
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The normal way to specify the desired formatting parameters.
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.Ar Capacity
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is the number of kilobytes to format. Valid choices are 360, 720, 800, 820,
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1200, 1440, 1480 or 1720.
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.It Fl n
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Don't verify floppy after formatting.
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.It Fl v
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Don't format, verify only.
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.It Fl c Ar cyls
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Number of cylinders: 40 or 80.
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.It Fl s Ar secs
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Number of sectors per track: 9, 10, 15 or 18.
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.It Fl h Ar heads
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Number of floppy heads: 1 or 2.
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.It Fl r Ar rate
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Data rate: 250, 300 or 500 kbps.
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.It Fl g Ar gap3len
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Gap length.
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.It Fl i Ar intleave
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Interleave factor.
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.It Fl S Ar secshft
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Sector size: 0=128, 1=256, 2=512 bytes.
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.It Fl F Ar fillbyte
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Fill byte.
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.It Fl t Ar steps_per_track
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Number of steps per track.
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An alternate method to specify the geometry data to write to the floppy disk.
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.El
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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. In order to continue, an answer
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of
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.Dq 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. In case you wish 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 an
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.Em 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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.Em MS-DOS (FAT)
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file system.
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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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.Sq Em F
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is printed when the track(s) is being formatted, then a
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.Sq Em V
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while it's being verified, and if an error has been detected, it
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will finally change to
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.Sq Em E .
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.Pp
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An exit status of 0 is returned upon successful operation. 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 SEE ALSO
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.Xr fdc 4 ,
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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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.Nm Fdformat
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has been developed for 386BSD 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. It later became part of the
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.Fx 1.1
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system.
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.Sh AUTHORS
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The program has been contributed by
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.if n Joerg Wunsch,
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.if t 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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