centos man page for mountpoint

MOUNTPOINT(1)							   User Commands						     MOUNTPOINT(1)

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.

SEE ALSO
       mount(8)

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

util-linux							     June 2011							     MOUNTPOINT(1)