NAME

mountpoint - see if a directory is a mountpoint

SYNOPSIS

mountpoint [-q] [-d] directory

mountpoint -x device

DESCRIPTION

mountpoint checks if the directory is mentioned in the /proc/self/mountinfo file.

OPTIONS

-h, --help: Print help and exit.
-q, --quiet: Be quiet - don't print anything.
-d, --fs-devno: Print major/minor device number of the filesystem on stdout.
-x, --devno: Print major/minor device number of the blockdevice on stdout.

EXIT STATUS

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

AUTHOR

Karel Zak <kzak@redhat.com>

ENVIRONMENT

LIBMOUNT_DEBUG=0xffff: enables 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.

AVAILABILITY

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