usb-devices man page on aLinux

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

NAME
       usb-devices - print USB device details

SYNOPSIS
       usb-devices

DESCRIPTION
       usb-devices  is	a  (bash)  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/ker‐
       nel/debug (if debugfs is	 mounted  there).  The	script	is  primairily
       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-0.86			 23 June 2009			usb-devices(1)
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