mountpoint

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.

       -V, --version
           Display version information and exit.

       -h, --help
           Display help text 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/karelzak/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 2.37.2                 2021-06-02                     MOUNTPOINT(1)