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/.