usb-devices(1)                Linux USB Utilities               usb-devices(1)

NAME
       usb-devices - print USB device details

SYNOPSIS
       usb-devices


DESCRIPTION
       usb-devices is a shell script that can be used to display details of
       USB buses in the system and the devices connected to them.

       The output of the script is similar to the usb/devices file available
       either under /proc/bus (if usbfs is mounted), or under
       /sys/kernel/debug (if debugfs is mounted there). The script is
       primarily intended to be used if the file is not available.

       In contrast to the usb/devices file, this script only lists active
       interfaces (those marked with a "*" in the usb/devices file) and their
       endpoints.

       Be advised that there can be differences in the way information is
       sorted, as well as in the format of the output.


RETURN VALUE
       If sysfs is not mounted, a non-zero exit code is returned.


FILES
       /sys/bus/usb/devices/usb*
              The part of the sysfs tree the script walks through to assemble
              the printed information.

       /proc/bus/usb/devices
              Location where the usb/devices file can normally be found for
              Linux kernels before 2.6.31, if usbfs is mounted.

       /sys/kernel/debug/usb/devices
              Location where the usb/devices file can normally be found for
              Linux kernel 2.6.31 and later, if debugfs is mounted.


SEE ALSO
       lsusb(8), usbview(8).


AUTHORS
       Greg Kroah-Hartman <greg@kroah.com>

       Randy Dunlap <rdunlap@xenotime.net>

       Frans Pop <elendil@planet.nl>

usbutils-017                     23 June 2009                   usb-devices(1)