Provided by: util-linux_2.34-0.1ubuntu2_amd64 bug

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.

       -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

       Zero if the directory or file is a mountpoint, non-zero if not.

AUTHOR

       Karel Zak <kzak@redhat.com>

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.

SEE ALSO

       mount(8)

AVAILABILITY

       The  mountpoint  command  is  part  of  the  util-linux  package  and  is  available  from
       https://www.kernel.org/pub/linux/utils/util-linux/.