lsusb
Bus 002 Device 003: ID 04b8:0811 Seiko Epson Corp. Stylus Photo RX620 all-in-one
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 008 Device 002: ID 046d:c517 Logitech, Inc. LX710 Cordless Desktop Laser
Bus 008 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 007 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 006 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
lsusb
Bus 002 Device 003: ID 04b8:0811 Seiko Epson Corp. Stylus Photo RX620 all-in-one
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 008 Device 002: ID 046d:c517 Logitech, Inc. LX710 Cordless Desktop Laser
Bus 008 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 007 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 006 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
ls -l /dev/bus/usb/*/* usb/001/ 001 usb/002/ 001 usb/002/ 003 usb/003/ 001 usb/004/ 001 usb/005/ 001 usb/006/ 001 usb/007/ 001 usb/008/ 001 usb/008/ 002
crw-rw-r-- 1 root root 189, 0 2009-04-02 02:12 /dev/bus/
crw-rw-r-- 1 root root 189, 128 2009-04-02 02:12 /dev/bus/
crw-rw-r-- 1 root root 189, 130 2009-04-02 16:10 /dev/bus/
crw-rw-r-- 1 root root 189, 256 2009-04-02 02:12 /dev/bus/
crw-rw-r-- 1 root root 189, 384 2009-04-02 02:12 /dev/bus/
crw-rw-r-- 1 root root 189, 512 2009-04-02 02:12 /dev/bus/
crw-rw-r-- 1 root root 189, 640 2009-04-02 02:12 /dev/bus/
crw-rw-r-- 1 root root 189, 768 2009-04-02 02:12 /dev/bus/
crw-rw-r-- 1 root root 189, 896 2009-04-02 02:12 /dev/bus/
crw-rw-r-- 1 root root 189, 897 2009-04-02 02:12 /dev/bus/
I attach also lsusb -vvv. But, I have to do lsusb -vvv or sudo lsusb -vvv ?