util-linux (2.39)

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mountpoint.1
MOUNTPOINT(1) User Commands MOUNTPOINT(1)

NAME
mountpoint - see if a directory or file is a mountpoint

SYNOPSIS
mountpoint [-d|-q] directory|file

mountpoint -x device

DESCRIPTION
mountpoint checks whether the given directory or file is mentioned in the /proc/self/mountinfo file.

OPTIONS
-d, --fs-devno
Show the major/minor numbers of the device that is mounted on the given directory.

-q, --quiet
Be quiet - don’t print anything.

--nofollow
Do not follow symbolic link if it the last element of the directory path.

-x, --devno
Show the major/minor numbers of the given blockdevice on standard output.

-h, --help
Display help text and exit.

-V, --version
Print version and exit.

EXIT STATUS
mountpoint has the following exit status values:

0
success; the directory is a mountpoint, or device is block device on --devno

1
failure; incorrect invocation, permissions or system error

32
failure; the directory is not a mountpoint, or device is not a block device on --devno

ENVIRONMENT
LIBMOUNT_DEBUG=all
enables libmount debug output.

NOTES
The util-linux mountpoint implementation was written from scratch for libmount. The original version for sysvinit
suite was written by Miquel van Smoorenburg.

AUTHORS
Karel Zak <kzak@redhat.com>

SEE ALSO
mount(8)

REPORTING BUGS
For bug reports, use the issue tracker at https://github.com/util-linux/util-linux/issues.

AVAILABILITY
The mountpoint command is part of the util-linux package which can be downloaded from Linux Kernel Archive
<https://www.kernel.org/pub/linux/utils/util-linux/>.

util-linux 2.39 2022-05-11 MOUNTPOINT(1)