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:

success; the directory is a mountpoint, or device is block device on --devno

failure; incorrect invocation, permissions or system error

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>

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/>.