60 lines
1.9 KiB
Groff
60 lines
1.9 KiB
Groff
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FORMAT(1) Minix Programmer's Manual FORMAT(1)
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NAME
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format - format a PC floppy diskette
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SYNOPSIS
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format [-v] device [media-size [drive-size]]
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DESCRIPTION
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Format allows a user with read-write permission to device to format a
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floppy. Either one of the special floppy devices must be used, see
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fd(4), or an automatic device may be used with the size of the floppy
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specified on the command line. Two sizes must be given when formatting a
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low density diskette in a high density drive. For example:
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format /dev/at1
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format /dev/fd1 1200
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format /dev/fd1 360 1200
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The first two commands format a 1.2M diskette, the last formats a 360k
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diskette in a 1.2M drive. A 1.44M drive knows when it's dealing with a
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low density floppy, so all these commands format a 720k diskette:
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format /dev/fd0 720
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format /dev/fd0 720 1440
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format /dev/ps0
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No sizes may be specified when using a special floppy device, a size must
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be specified when using an automatic device.
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OPTIONS
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-v Verify the process by reading each track after formatting it.
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Formatting is normally blind, the controller has no idea whether it
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succeeds or not. Use -v on a new box of cheap diskettes, or on a
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diskette that may have gone bad. Verifying will increase formatting
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time by 50%.
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SEE ALSO
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mkfs(1), fd(4).
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DIAGNOSTICS
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Numbers will be printed on standard output to show that it is busy. The
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locations of bad sectors are printed on standard error when verifying.
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The exit code is zero unless there are too many bad spots.
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AUTHOR
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Kees J. Bot (kjb@cs.vu.nl)
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