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95 lines
2.9 KiB
Groff
95 lines
2.9 KiB
Groff
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.TH HFORMAT 1 08-Nov-1997 HFSUTILS
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.SH NAME
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hformat \- create a new HFS filesystem and make it current
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.SH SYNOPSIS
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hformat
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[-f] [-l
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.IR label ]
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.I destination-path
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.RI [ partition-no ]
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.SH DESCRIPTION
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.B hformat
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is used to write a new HFS filesystem to a volume. A UNIX pathname to the
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volume's destination must be specified. The destination may be either a block
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device or a regular file, but it must already exist and be writable.
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.PP
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An optional label can be specified to name the volume. The name must be
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between 1-27 characters and cannot contain a colon (:). By default, the volume
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will be named
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.BR Untitled .
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.PP
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If the destination medium is partitioned, one partition must be selected to
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receive the filesystem. If there is only one HFS partition on the medium, it
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will be selected by default. Otherwise, the desired partition number must be
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specified (as the ordinal
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.IR n th
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HFS partition) on the command-line. The size of the partition determines the
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size of the resulting volume.
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.PP
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Partition number
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.B 0
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can be specified to format the entire medium as a single filesystem without a
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partition map, erasing any existing partition information. Since this will
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destroy all the partitions, the
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.B -f
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option must be specified to force this operation if the medium currently
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contains a partition map.
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.PP
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If the medium is not partitioned (or if partition 0 is specified), the size or
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capacity of the medium determines the size of the resulting volume.
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.PP
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The new volume will be empty and will become "current" so subsequent commands
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will refer to it. The current working directory for the volume is set to the
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root of the volume.
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.SH EXAMPLES
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.SP
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.TP
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% hformat /dev/fd0
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If a floppy disk is available as
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.BR /dev/fd0 ,
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this formats the disk as an HFS volume named
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.BR Untitled .
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(N.B. The floppy must already have received a low-level format by other
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means.)
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.TP
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% dd if=/dev/zero of=disk.hfs bs=1k count=800
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.PD 0
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.TP
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% hformat -l "Test Disk" disk.hfs
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.PD 1
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This sequence creates an 800K HFS volume image in the file
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.B
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disk.hfs
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in the current directory, and names it
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.BR "Test Disk" .
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.TP
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% hformat -l "Loma Prieta" /dev/sd2 1
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If a SCSI disk is available as
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.BR /dev/sd2 ,
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this initializes the first HFS partition on the disk (which must already
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exist) with a new filesystem, naming the resulting volume
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.BR "Loma Prieta" .
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.TP
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% hformat -f /dev/sd2 0
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This causes the medium accessible as
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.B /dev/sd2
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to be reformatted as a single HFS volume, ignoring and erasing any existing
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partition information on the medium. The
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.B -f
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option must be specified if the medium is currently partitioned; otherwise the
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command will fail.
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.SH NOTES
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This command does not create or alter partition maps, although it can erase
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them (as described above). Any partition number specified on the command line
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must already exist.
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.PP
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The smallest volume size which can be formatted with
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.B hformat
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is 800K.
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.SH SEE ALSO
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hfsutils(1), hmount(1)
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.SH FILES
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$HOME/.hcwd
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.SH AUTHOR
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Robert Leslie <rob@mars.org>
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