72 lines
1.6 KiB
Groff
72 lines
1.6 KiB
Groff
.TH MOUNTPOINT 1 "August 2019" "util-linux" "User Commands"
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.SH NAME
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mountpoint \- see if a directory or file is a mountpoint
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.SH SYNOPSIS
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.B mountpoint
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.RB [ \-d | \-q ]
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.I directory
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.I file
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.sp
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.B mountpoint
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.B \-x
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.I device
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.SH DESCRIPTION
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.B mountpoint
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checks whether the given
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.I directory
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or
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.I file
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is mentioned in the /proc/self/mountinfo file.
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.SH OPTIONS
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.TP
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.BR \-d , " \-\-fs\-devno"
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Show the major/minor numbers of the device that is mounted on the given
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directory.
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.TP
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.BR \-q , " \-\-quiet"
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Be quiet - don't print anything.
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.TP
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.B "\-\-nofollow"
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Do not follow symbolic link if it the last element of the
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.I directory
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path.
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.TP
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.BR \-x , " \-\-devno"
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Show the major/minor numbers of the given blockdevice on standard output.
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.TP
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.BR \-V , " \-\-version"
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Display version information and exit.
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.TP
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.BR \-h , " \-\-help"
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Display help text and exit.
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.SH EXIT STATUS
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.B mountpoint
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has the following exit status values:
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.TP
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.B 0
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success; the directory is a mountpoint, or device is block device on \fB\-\-devno\fR
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.TP
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.B 1
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failure; incorrect invocation, permissions or system error
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.TP
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.B 32
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failure; the directory is not a mountpoint, or device is not a block device on \fB\-\-devno\fR
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.SH ENVIRONMENT
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.IP LIBMOUNT_DEBUG=all
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enables libmount debug output.
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.SH NOTES
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The util-linux
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.B mountpoint
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implementation was written from scratch for libmount. The original version
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for sysvinit suite was written by Miquel van Smoorenburg.
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.SH AUTHORS
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Karel Zak <kzak@redhat.com>
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.SH SEE ALSO
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.BR mount (8)
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.SH AVAILABILITY
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The mountpoint command is part of the util-linux package and is available from
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https://www.kernel.org/pub/linux/utils/util-linux/.
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