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.\" $OpenBSD: usbdevs.8,v 1.9 2008/06/26 05:42:21 ray Exp $
.\" $NetBSD: usbdevs.8,v 1.5 2000/10/15 12:44:11 bjh21 Exp $
.\"
.\" Copyright (c) 1999 The NetBSD Foundation, Inc.
.\" All rights reserved.
.\"
.\" This code is derived from software contributed to The NetBSD Foundation
.\" by Lennart Augustsson.
.\"
.\" Redistribution and use in source and binary forms, with or without
.\" modification, are permitted provided that the following conditions
.\" are met:
.\" 1. Redistributions of source code must retain the above copyright
.\" notice, this list of conditions and the following disclaimer.
.\" 2. Redistributions in binary form must reproduce the above copyright
.\" notice, this list of conditions and the following disclaimer in the
.\" documentation and/or other materials provided with the distribution.
.\"
.\" THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
.\" ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
.\" TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
.\" PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
.\" BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
.\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
.\" SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
.\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
.\" CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
.\" POSSIBILITY OF SUCH DAMAGE.
.\"
.Dd $Mdocdate: June 26 2008 $
.Dt USBDEVS 8
.Os
.Sh NAME
.Nm usbdevs
.Nd show USB devices connected to the system
.Sh SYNOPSIS
.Nm
.Op Fl dv
.Op Fl a Ar addr
.Op Fl f Ar dev
.Sh DESCRIPTION
.Nm
prints a listing of all USB devices connected to the system
with some information about each device.
The indentation of each line indicates its distance from the root.
.Pp
The options are as follows:
.Bl -tag -width Fl
.It Fl a Ar addr
Only print information about the device at the given address.
.It Fl d
Show the device drivers associated with each device.
.It Fl f Ar dev
Only print information for the given USB controller.
.It Fl v
Be verbose.
.El
.Sh FILES
.Bl -tag -width Pa
.It Pa /dev/usb[0-9]
Default USB controllers.
.El
.Sh SEE ALSO
.Xr usb 4
.Sh HISTORY
The
.Nm
command appeared in
.Ox 2.7 .
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