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20da065 @aurel32 usb-devices: move from /usr/sbin to /usr/bin
aurel32 authored
1 .TH usb-devices 1 "23 June 2009" "usbutils-VERSION" "Linux USB Utilities"
381341b @gregkh usb-devices: add script and man page.
authored
2 .IX usb-devices
3 .SH NAME
4 usb-devices \- print USB device details
5 .SH SYNOPSIS
6 .B usb-devices
7
8 .SH DESCRIPTION
9 .B usb-devices
10 is a (bash) shell script that can be used to display details of USB
11 buses in the system and the devices connected to them.
12
13 The output of the script is similar to the \fIusb/devices\fP file
14 available either under \fI/proc/bus\fP (if usbfs is mounted), or under
15 \fI/sys/kernel/debug\fP (if debugfs is mounted there). The script is
86de643 @aurel32 usb-devices(1): fix a typo
aurel32 authored
16 primarily intended to be used if the file is not available.
381341b @gregkh usb-devices: add script and man page.
authored
17
18 In contrast to the \fIusb/devices\fP file, this script only lists
19 \fIactive\fP interfaces (those marked with a "*" in the \fIusb/devices\fP
20 file) and their endpoints.
21
22 Be advised that there can be differences in the way information is sorted,
23 as well as in the format of the output.
24
25 .SH RETURN VALUE
26 If sysfs is not mounted, a non-zero exit code is returned.
27
28 .SH FILES
29 .TP
30 .B /sys/bus/usb/devices/usb*
31 The part of the sysfs tree the script walks through to assemble the
32 printed information.
33 .TP
34 .B /proc/bus/usb/devices
35 Location where the \fIusb/devices\fP file can normally be found for
36 Linux kernels before 2.6.31, if usbfs is mounted.
37 .TP
38 .B /sys/kernel/debug/usb/devices
39 Location where the \fIusb/devices\fP file can normally be found for
40 Linux kernel 2.6.31 and later, if debugfs is mounted.
41
42 .SH SEE ALSO
43 .BR lsusb (8),
44 .BR usbview (8).
45
46 .SH AUTHORS
47 Greg Kroah-Hartman <greg@kroah.com>
48 .P
49 Randy Dunlap <rdunlap@xenotime.net>
50 .P
51 Frans Pop <elendil@planet.nl>
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