Provided by: util-linux_2.31.1-0.4ubuntu3.7_amd64
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/.