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+.TH UDEVINFO 8 "January 2004" "" "Linux Administrator's Manual"
+.SH NAME
+udevinfo \- retrieve information from udev
+.SH SYNOPSIS
+.B udevinfo
+.RI "[\-q " query_type " \-p " sysfs_path "] [\-drVh]"
+.SH "DESCRIPTION"
+.B udevinfo
+allows users to query the udev database for information on any device
+currently present on the system.  It also provides a way to query any device
+in the sysfs tree to help creating
+.B udev
+rules.
+.SH "OPTIONS"
+.TP
+.B \-V
+Print the version information.
+.TP
+.B \-r
+Print the
+.B udev_root
+directory. When used in conjunction with a query for the node name, the
+.B udev_root
+will be prepended.
+.TP
+.BI \-q " query_type"
+Query the database for specified value of a created device node or network
+interface.
+.RB Needs " \-p " or " \-n " specified.
+.br
+Valid types are:
+.BR name ", " symlink ", " mode " ," owner " , " group " , " path " or " all.
+.TP
+.BI \-p " sysfs_path"
+Specify the sysfs path of the device to query.
+.TP
+.BI \-n " name"
+Specify the name of the node, the symlink or the network interface for the
+device to query. Partition names generated with the NAME{all_partitons} option
+can not be queried, the main device must be used instead.
+.TP
+.B \-a
+Print all
+.BI SYSFS{ filename }
+attributes along the device chain. Useful for finding
+unique attributes to compose a rule.
+.RB Needs " \-p " specified.
+.TP
+.B \-d
+Dump the whole database.
+.TP
+.B \-h
+Print help text.
+.SH "FILES"
+.nf
+/etc/udev/*  udev config files
+.fi
+.LP
+.SH "SEE ALSO"
+.BR udev (8)
+.SH AUTHORS
+.B udevinfo
+was developed primarily by Kay Sievers <kay.sievers@vrfy.org>, with help
+from others.