可以得到系统的详细信息，比如cpu的信息，pci的信息，usb信息等-Can get detailed information about the system, such as cpu information, pci information, usb information

在控制台下得到usb设备的一些信息，包括pid，uid等等。-Usb device to get some information in the console, including the pid, uid, and so on.