$ lsusb
Bus 002 Device 002: ID 0424:5744 Standard Microsystems Corp.
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 005: ID 413c:301a Dell Computer Corp.
Bus 001 Device 003: ID 0bda:568c Realtek Semiconductor Corp.
Bus 001 Device 006: ID 0424:2744 Standard Microsystems Corp.
Bus 001 Device 002: ID 413c:2113 Dell Computer Corp.
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub

$ lsusb
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 005: ID 413c:301a Dell Computer Corp.
Bus 001 Device 003: ID 0bda:568c Realtek Semiconductor Corp.
Bus 001 Device 002: ID 413c:2113 Dell Computer Corp.
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub