USB(Universal Serial Bus) is a standerd developed to replace different types of BUS’s available. This is a solution deviced to elemenate vender lockdown of hardware ports, so that BUS’s will be identical across different devices from different venders. USB devices solve one more problem i.e. speeds. USB devies can reach up 5GB/s as of this writing where as PCI and serial devices have less speeds. Depending of USB frimware, its catagarize in to USB 1.0, USB 2.0, USB 3.0. USB have compititor in the from of Thunderbolt interface.
As a Linux User/administrator we should know USB bus details as well as devices connected. In this post we will see how to use lsusb command to display different USB properties.