71 lines
1.6 KiB
Groff
71 lines
1.6 KiB
Groff
.\" Copyright (C) 2011-2016 Andrew Nayenko
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.\"
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.TH MKEXFATFS 8 "January 2011"
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.SH NAME
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.B mkexfatfs
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\- create an exFAT file system
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.SH SYNOPSIS
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.B mkexfatfs
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[
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.B \-i
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.I volume-id
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]
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[
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.B \-n
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.I volume-name
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]
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[
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.B \-p
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.I partition-first-sector
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]
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[
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.B \-s
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.I sectors-per-cluster
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]
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[
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.B \-V
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]
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.I device
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.SH DESCRIPTION
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.B mkexfatfs
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creates an exFAT file system on a block device.
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.I device
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is a special file corresponding to the partition on the device. Note that if
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this is an MBR partition then the file system type should be set to 0x07
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(NTFS/exFAT) otherwise other operating systems may refuse to mount the
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file system.
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.SH OPTIONS
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Command line options available:
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.TP
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.BI \-i " volume-id"
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A 32-bit hexadecimal number. By default a value based on current time is set.
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.TP
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.BI \-n " volume-name"
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Volume name (label), up to 15 characters. By default no label is set.
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.TP
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.BI \-p " partition-first-sector"
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First sector of the partition starting from the beginning of the whole disk.
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exFAT super block has a field for this value but in fact it's optional and
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does not affect anything. Default is 0.
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.TP
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.BI \-s " sectors-per-cluster"
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Number of physical sectors per cluster (cluster is an allocation unit in
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exFAT). Must be a power of 2, i.e. 1, 2, 4, 8, etc. Cluster size can not
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exceed 32 MB. Default cluster sizes are:
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4 KB if volume size is less than 256 MB,
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32 KB if volume size is from 256 MB to 32 GB,
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128 KB if volume size is 32 GB or larger.
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.TP
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.BI \-V
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Print version and copyright.
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.SH EXIT CODES
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Zero is returned on successful creation. Any other code means an error.
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.SH AUTHOR
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Andrew Nayenko
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.SH SEE ALSO
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.BR mkfs (8), fdisk (8)
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