mountpoint − see if a directory or file is a mountpoint
mountpoint [−d|−q] directory | file
mountpoint −x device
mountpoint checks whether the given directory or file is mentioned in the /proc/self/mountinfo file.
Show the major/minor numbers of the device that is mounted on the given directory.
Be quiet - don’t print anything.
Show the major/minor numbers of the given blockdevice on standard output.
Display version information and exit.
Display help text and exit.
Zero if the directory or file is a mountpoint, non-zero if not.
Karel Zak <firstname.lastname@example.org>
enables libmount debug output.
The util-linux mountpoint implementation was written from scratch for libmount. The original version for sysvinit suite was written by Miquel van Smoorenburg.
The mountpoint command is part of the util-linux package and is available from ftp://ftp.kernel.org/pub/linux/utils/util-linux/.