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 2.38.1 2022-05-11 MOUNTPOINT(1)
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