mountpoint(1) — Linux manual page

MOUNTPOINT(1)                 User Commands                 MOUNTPOINT(1)

NAME         top

       mountpoint - see if a directory or file is a mountpoint

SYNOPSIS         top

       mountpoint [-d|-q] directory|file

       mountpoint -x device

DESCRIPTION         top

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

OPTIONS         top

       -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
           Display version and exit.

EXIT STATUS         top

       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         top

       LIBMOUNT_DEBUG=all
           enables libmount debug output.

NOTES         top

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

AUTHORS         top

       Karel Zak <kzak@redhat.com>

SEE ALSO         top

       mount(8)

REPORTING BUGS         top

       For bug reports, use the issue tracker
       <https://github.com/util-linux/util-linux/issues>.

AVAILABILITY         top

       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/>. This page is
       part of the util-linux (a random collection of Linux utilities)
       project. Information about the project can be found at 
       ⟨https://www.kernel.org/pub/linux/utils/util-linux/⟩. If you have a
       bug report for this manual page, send it to
       util-linux@vger.kernel.org. This page was obtained from the
       project's upstream Git repository
       ⟨git://git.kernel.org/pub/scm/utils/util-linux/util-linux.git⟩ on
       2025-08-11. (At that time, the date of the most recent commit that
       was found in the repository was 2025-08-05.) If you discover any
       rendering problems in this HTML version of the page, or you
       believe there is a better or more up-to-date source for the page,
       or you have corrections or improvements to the information in this
       COLOPHON (which is not part of the original manual page), send a
       mail to man-pages@man7.org

util-linux 2.42-start-521-ec46  2025-01-16                  MOUNTPOINT(1)

Pages that refer to this page: mount(2)

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