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.|
|Do not follow symbolic link if it the last element of the directory path.|
|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 <kzak>
|LIBMOUNT_DEBUG=all||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 https://www.kernel.org/pub/linux/utils/util-linux/.