.\" $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.
.\"
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.\" modification, are permitted provided that the following conditions
.\" are met:
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" ``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
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.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 .