| .TH MOUNTPOINT 1 "July 2014" "util-linux" "User Commands" |
| .SH NAME |
| mountpoint \- see if a directory or file is a mountpoint |
| .SH SYNOPSIS |
| .B mountpoint |
| .RB [ \-d | \-q ] |
| .I directory |
| | |
| .I file |
| .sp |
| .B mountpoint |
| .B \-x |
| .I device |
| |
| .SH DESCRIPTION |
| .B mountpoint |
| checks whether the given |
| .I directory |
| or |
| .I file |
| is mentioned in the /proc/self/mountinfo file. |
| .SH OPTIONS |
| .TP |
| .BR \-d , " \-\-fs\-devno" |
| Show the major/minor numbers of the device that is mounted on the given |
| directory. |
| .TP |
| .BR \-q , " \-\-quiet" |
| Be quiet - don't print anything. |
| .TP |
| .BR \-x , " \-\-devno" |
| Show the major/minor numbers of the given blockdevice on standard output. |
| .TP |
| .BR \-V , " \-\-version" |
| Display version information and exit. |
| .TP |
| .BR \-h , " \-\-help" |
| Display help text and exit. |
| .SH EXIT STATUS |
| Zero if the directory or file is a mountpoint, non-zero if not. |
| .SH AUTHOR |
| .PP |
| Karel Zak <kzak@redhat.com> |
| .SH ENVIRONMENT |
| .IP LIBMOUNT_DEBUG=all |
| enables libmount debug output. |
| .SH NOTES |
| .PP |
| The util-linux |
| .B mountpoint |
| implementation was written from scratch for libmount. The original version |
| for sysvinit suite was written by Miquel van Smoorenburg. |
| |
| .SH SEE ALSO |
| .BR mount (8) |
| .SH AVAILABILITY |
| The mountpoint command is part of the util-linux package and is available from |
| ftp://ftp.kernel.org/pub/linux/utils/util-linux/. |