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Signed-off-by: Frans Pop <elendil@planet.nl> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
68 lines
1.7 KiB
Groff
68 lines
1.7 KiB
Groff
.TH lsusb 8 "6 May 2009" "usbutils-VERSION" "Linux USB Utilities"
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.IX lsusb
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.SH NAME
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lsusb \- list USB devices
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.SH SYNOPSIS
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.B lsusb
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[
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.I options
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]
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.SH DESCRIPTION
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.B lsusb
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is a utility for displaying information about USB buses in the system and
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the devices connected to them.
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.SH OPTIONS
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.TP
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.B \-v, \-\-verbose
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Tells
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.I lsusb
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to be verbose and display detailed information about the devices shown.
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This includes configuration descriptors for the device's current speed.
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Class descriptors will be shown, when available, for USB device classes
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including hub, audio, HID, communications, and chipcard.
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.TP
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\fB\-s\fP [[\fIbus\fP]\fB:\fP][\fIdevnum\fP]
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Show only devices in specified
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.I bus
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and/or
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.I devnum.
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Both ID's are given in decimal and may be omitted.
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.TP
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\fB\-d\fP [\fIvendor\fP]\fB:\fP[\fIproduct\fP]
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Show only devices with the specified vendor and product ID.
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Both ID's are given in hexadecimal.
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.TP
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.B \-D \fIdevice\fP
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Do not scan the /dev/bus/usb directory,
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instead display only information
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about the device whose device file is given.
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The device file should be something like /dev/bus/usb/001/001.
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This option displays detailed information like the \fBv\fP option;
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you must be root to do this.
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.TP
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.B \-t
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Tells
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.I lsusb
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to dump the physical USB device hierarchy as a tree. This overrides the
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\fBv\fP option.
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.TP
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.B \-V, \-\-version
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Print version information on standard output,
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then exit successfully.
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.SH RETURN VALUE
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If the specified device is not found, a non-zero exit code is returned.
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.SH FILES
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.TP
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.B @usbids@
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A list of all known USB ID's (vendors, products, classes, subclasses and protocols).
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.SH SEE ALSO
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.BR lspci (8),
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.BR usbview (8).
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.SH AUTHOR
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Thomas Sailer, <sailer@ife.ee.ethz.ch>.
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