1 .\" Copyright (c) 2016 The DragonFly Project
2 .\" Copyright (c) 2014 The FreeBSD Foundation
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5 .\" This software was developed by Edward Tomasz Napierala under sponsorship
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36 .Nd determine filesystem type
46 utility is used to determine the filesystem type on a given device.
47 It can recognize ISO-9660, Ext2, FAT, NTFS, UFS, and HAMMER filesystems.
52 also recognizes certain additional metadata formats that cannot be
56 The filesystem name is printed to the standard output
58 .Bl -item -offset indent -compact
73 Note that HAMMER filesystem consists of more than one volumes requires a path in blkdevs format.
78 doesn't recognize partially specified block devices as HAMMER filesystem volumes unless
84 is built specifically to detect filesystem types, it differs from
87 The output is machine-parsable, filesystem labels are supported,
88 and does not try to recognize any file format other than filesystems.
90 These options are available:
91 .Bl -tag -width ".Fl l"
93 In addition to filesystem type, print filesystem label if available.
98 only works on regular files and disk-like device nodes.
99 Trying to read other file types might have unexpected consequences or hang
102 Include filesystems and devices that cannot be mounted directly by
108 utility exits 0 on success, and >0 if an error occurs or the filesystem
109 type is not recognized.
127 utility was developed by
128 .An Edward Tomasz Napierala Aq Mt trasz@FreeBSD.org
129 under sponsorship from the FreeBSD Foundation.
130 ZFS and GELI support was added by
131 .An Allan Jude Aq Mt allanjude@FreeBSD.org
135 utility was ported to
138 .An Tomohiro Kusumi Aq Mt kusumi.tomohiro@gmail.com .
139 Donated to DragonFlyBSD by PeerCorps Trust Fund.
145 currently doesn't support
149 providers supported on