udev \- Linux configurable dynamic device naming support
.SH SYNOPSIS
.BI udev " hotplug-subsystem"
-.br
-.B udev
-.RI "[-q " query_type " -p " sysfs_path "] [-drVh]"
.SH "DESCRIPTION"
.B udev
creates or removes device node files usually located in the /dev directory.
On device removal,
.B udev
queries its database for the name of the device file to be deleted.
-.SH "OPTIONS"
-.B udev
-normally is called by
-.B hotplug
-with the subsystem as argument and various environment variables set.
-.br
-It may also called with the following options:
-.TP
-.B -V
-Print the version information.
-.TP
-.B -r
-Print the 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.
-Valid types are:
-.BR name ", " symlink ", " owner " , " group " or " path.
-.TP
-.BI -p " sysfs_path"
-Specify the sysfs path of the device to query.
-.TP
-.BI -n " name"
-Specify the name of the node for the device to query.
-.TP
-.B -d
-Dump the whole database.
-.TP
-.B -h
-Print help text.
.SH "CONFIGURATION"
All
.B udev
.fi
.LP
.SH "SEE ALSO"
+.BR udevinfo (8),
.BR hotplug (8)
.PP
The