mountpoint − see if a directory is a mountpoint
mountpoint [−q] [−d] directory
mountpoint −x device
mountpoint checks if the directory is mentioned in the /proc/self/mountinfo file.
−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.
Zero if the directory is a mountpoint, non-zero if not.
Karel Zak <kzak@redhat.com>
LIBMOUNT_DEBUG=0xffff
enables 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.
mount(8)
The mountpoint command is part of the util-linux package and is available from ftp://ftp.kernel.org/pub/linux/utils/util-linux/.