Code
:/home/gerald # lsusb
Bus 001 Device 005: ID 0bda:0116 Realtek Semiconductor Corp. RTS5116 Card Reader Controller
Bus 001 Device 004: ID 05e1:0501 Syntek Semiconductor Co., Ltd DC-1125 Webcam
Bus 001 Device 002: ID 04e8:330f Samsung Electronics Co., Ltd ML-216x Series Laser Printer
Bus 001 Device 010: ID 046d:c050 Logitech, Inc. RX 250 Optical Mouse
Bus 001 Device 009: ID 1a40:0101 Terminus Technology Inc. Hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub