MOUNTPOINT(1) mountpoint - , mountpoint [-d|-q] | mountpoint -x mountpoint checks whether the given directory or file is a mountpoint. On kernels that support the statmount(2) system call (Linux 6.8 and newer), it uses that interface. On older kernels, it falls back to reading /proc/self/mountinfo. -d, --fs-devno / , . -q, --quiet - . --nofollow , . -x, --devno / . --show Print the mountpoint path for the given path. This resolves the given directory or file to its actual mountpoint, which is useful with bind mounts, symlinks, or paths within filesystems. This option requires kernel support for the statmount(2) system call (Linux 6.8 and newer). On older kernels, this option will fail with an error message. -h, --help . -V, --version . mountpoint : 0 ; --devno 1 ; , 32 ; --devno LIBMOUNT_DEBUG=all libmount. mountpoint util-linux libmount. sysvinit Miquel van Smoorenburg. Karel Zak mount(8) mountpoint util-linux, Linux . util-linux 2.42.3 2026-09-02 MOUNTPOINT(1)