Provided by: util-linux_2.37.2-4ubuntu3.4_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. --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/>.