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This article mainly introduces "the usage of Linux basic command lsusb". In daily operation, I believe many people have doubts about the usage of Linux basic command lsusb. The editor consulted all kinds of materials and sorted out simple and easy-to-use operation methods. I hope it will be helpful for you to answer the doubts about "the usage of Linux basic command lsusb"! Next, please follow the editor to study!

Lsusb

Displays a list of native usb devices, showing details of the usb, including the reading speed and descriptors of the device. The scope of this command: RedHat, RHEL, Ubuntu, CentOS, SUSE, openSUSE, Fedora.

1. Grammar

Lsusb [options]

2. List of options

Option

Description

-v

Tell lsusb to display the details of the device shown in detail. This includes a configuration descriptor for the current speed of the device. If available, the class descriptor displays the USB device class, including hubs, audio, HID, communications, and chip cards.

-s [[bus]:] [devnum]

Displays the device information for the specified bus and device number, which is identified by decimal. Format: lsusb-s 00:01

-d [vendor]: [product]

The device that displays the specified manufacturer and product number, represented in hexadecimal. Format: lsusb-d 8086:

-D

Displays device information for the specified device file, for example: lsusb-D / proc/bus/usb/001/001. Only

Only root users can use this option

-t

Display in a tree structure

-V

Instruction version information

If the specified device is not found, a non-zero value is returned. The / usr/share/hwdata/usb.ids file records the information of all USB device nodes, including manufacturer, product number, class, subclass, protocol, and so on.

3. Examples

1) display simple device information directly

[root@localhost ntop-4.0.1] # lsusb

/ / bus number equipment number manufacturer ID

Bus 001 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub

2) display details

[root@localhost ntop-4.0.1] # lsusb-v

Bus 001 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub

Device Descriptor: / / device descriptor

BLength 18

BDescriptorType 1

...

Hub Descriptor: / / Hub descriptor

BLength 11

...

Hub Port Status: / / Hub port status

Port 1: 0000.0100 power

Port 2: 0000.0100 power

...

Device Status: 0x0003 / / device statu

Self Powered

Remote Wakeup Enabled

3) display the devices on the specified bus

[root@localhost ntop-4.0.1] # lsusb-s 001VOL001

Bus 001 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub

4) display the equipment information of the specified manufacturer

[root@localhost ntop-4.0.1] # lsusb-d 1d6b:001

Bus 001 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub

5) display with tree structure

[root@localhost ntop-4.0.1] # lsusb-t

Bus# 1

`- Dev# 1 Vendor 0x1d6b Product 0x0001

At this point, the study of "the usage of the Linux basic command lsusb" is over. I hope to be able to solve your doubts. The collocation of theory and practice can better help you learn, go and try it! If you want to continue to learn more related knowledge, please continue to follow the website, the editor will continue to work hard to bring you more practical articles!

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