mountpoint Man page

MOUNTPOINT(1) User Commands MOUNTPOINT(1)

NAME

mountpoint – see if a directory or file is a mountpoint

SYNOPSIS

mountpoint [-d|-q] directory | file

mountpoint -x device

DESCRIPTION

mountpoint checks whether the given directory or file is mentioned in
the /proc/self/mountinfo file.

OPTIONS

-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.

-x, –devno
Show the major/minor numbers of the given blockdevice on stan‐
dard output.

-V, –version
Display version information and exit.

-h, –help
Display help text and exit.

EXIT STATUS
Zero if the directory or file is a mountpoint, non-zero if not.

AUTHOR

Karel Zak

ENVIRONMENT
LIBMOUNT_DEBUG=all
enables libmount debug output.

NOTES
The util-linux mountpoint implementation was written from scratch for
libmount. The original version for sysvinit suite was written by
Miquel van Smoorenburg.

SEE ALSO

mount(8)

AVAILABILITY
The mountpoint command is part of the util-linux package and is avail‐
able from ftp://ftp.kernel.org/pub/linux/utils/util-linux/.

util-linux July 2014 MOUNTPOINT(1)

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