MOUNTPOINT(1) User Commands MOUNTPOINT(1)
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.
-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. --nofollow 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. -V, --version Display version information and exit. -h, --help Display help text and exit.
mountpoint has the following exit status values: 0 success; the directory is a mountpoint, or device is block device on --devno 1 failure; incorrect invocation, permissions or system error 32 failure; the directory is not a mountpoint, or device is not a block device on --devno
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.
Karel Zak <email@example.com>
The mountpoint command is part of the util-linux package and is available from https://www.kernel.org/pub/linux/utils/util-linux/.
This page is part of the util-linux (a random collection of Linux utilities) project. Information about the project can be found at ⟨https://www.kernel.org/pub/linux/utils/util-linux/⟩. If you have a bug report for this manual page, send it to firstname.lastname@example.org. This page was obtained from the project's upstream Git repository ⟨git://git.kernel.org/pub/scm/utils/util-linux/util-linux.git⟩ on 2021-03-21. (At that time, the date of the most recent commit that was found in the repository was 2021-03-19.) If you discover any rendering problems in this HTML version of the page, or you believe there is a better or more up-to-date source for the page, or you have corrections or improvements to the information in this COLOPHON (which is not part of the original manual page), send a mail to email@example.com util-linux August 2019 MOUNTPOINT(1)
Pages that refer to this page: mount(2)