mountpoint - Man Page
see if a directory or file is a mountpoint
- Check if a directory is a mountpoint:
- Check if a directory is a mountpoint without showing any output:
mountpoint -q path/to/directory
- Show major/minor numbers of a mountpoint's filesystem:
mountpoint --fs-devno path/to/directory
mountpoint [-d|-q] directory|file
mountpoint -x device
mountpoint checks whether the given directory or file is mentioned in the /proc/self/mountinfo file.
- -d, --fs-devno
Show the major/minor numbers of the device that is mounted on the given directory.
- -q, --quiet
Be quiet - don’t print anything.
Do not follow symbolic link if it the last element of the directory path.
- -x, --devno
Show the major/minor numbers of the given blockdevice on standard output.
- -h, --help
Display help text and exit.
- -V, --version
Print version and exit.
mountpoint has the following exit status values:
success; the directory is a mountpoint, or device is block device on --devno
failure; incorrect invocation, permissions or system error
failure; the directory is not a mountpoint, or device is not a block device on --devno
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.
For bug reports, use the issue tracker at https://github.com/util-linux/util-linux/issues.
The mountpoint command is part of the util-linux package which can be downloaded from Linux Kernel Archive.