1MOUNTPOINT(1) User Commands MOUNTPOINT(1)
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6 mountpoint - see if a directory or file is a mountpoint
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9 mountpoint [-d|-q] directory|file
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11 mountpoint -x device
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14 mountpoint checks whether the given directory or file is mentioned in
15 the /proc/self/mountinfo file.
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18 -d, --fs-devno
19 Show the major/minor numbers of the device that is mounted on the
20 given directory.
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22 -q, --quiet
23 Be quiet - don’t print anything.
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25 --nofollow
26 Do not follow symbolic link if it the last element of the directory
27 path.
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29 -x, --devno
30 Show the major/minor numbers of the given blockdevice on standard
31 output.
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33 -h, --help
34 Display help text and exit.
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36 -V, --version
37 Print version and exit.
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40 mountpoint has the following exit status values:
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42 0
43 success; the directory is a mountpoint, or device is block device
44 on --devno
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46 1
47 failure; incorrect invocation, permissions or system error
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49 32
50 failure; the directory is not a mountpoint, or device is not a
51 block device on --devno
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54 LIBMOUNT_DEBUG=all
55 enables libmount debug output.
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58 The util-linux mountpoint implementation was written from scratch for
59 libmount. The original version for sysvinit suite was written by Miquel
60 van Smoorenburg.
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63 Karel Zak <kzak@redhat.com>
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66 mount(8)
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69 For bug reports, use the issue tracker at
70 https://github.com/util-linux/util-linux/issues.
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73 The mountpoint command is part of the util-linux package which can be
74 downloaded from Linux Kernel Archive
75 <https://www.kernel.org/pub/linux/utils/util-linux/>.
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79util-linux 2.38 2022-02-17 MOUNTPOINT(1)