#### Beyond Linux® From Scratch (System V Edition) - Version 12.3

### Chapter 12. System Utilities

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# usbutils-018

## Introduction to USB Utils

The USB Utils package contains utilities used to display information about USB buses in the system and the devices connected to them.

This package is known to build and work properly using an LFS 12.3 platform.

### Package Information

- Download (HTTP): https://kernel.org/pub/linux/utils/usb/usbutils/usbutils-018.tar.xz

- Download MD5 sum: 0a351e2241c50a1f026a455dccf24d73

- Download size: 120 KB

- Estimated disk space required: 1.9 MB

- Estimated build time: less than 0.1 SBU

### USB Utils Dependencies

#### Required

libusb-1.0.27

#### Recommended

hwdata-0.392 (runtime)

## Installation of USB Utils

Install USB Utils by running the following commands:

    mkdir build &&
    cd    build &&

    meson setup ..            \
          --prefix=/usr       \
          --buildtype=release &&

    ninja

This package does not come with a test suite.

Now, as the `root` user:

    ninja install

For the `usb.ids` data file, install the hwdata-0.392 package.

The script lsusb.py displays information in a more easily readable form than lsusb. To find the options, use lsusb.py -h. One form of use recommended by the developer is lsusb.py -ciu.

## Contents

Installed Programs: lsusb, lsusb.py, usb-devices, and usbhid-dump
Installed Libraries: None
Installed Directories: None

### Short Descriptions

lsusb | is a utility for displaying information about all USB buses in the system and all devices connected to them, but not in human friendly form
lsusb.py | displays information about all USB buses in the system and all devices connected to them in reasonable human friendly form
usb-devices | is a shell script that displays details of USB buses and devices connected to them. It is designed to be used if /proc/bus/usb/devices is not available on your system
usbhid-dump | is used to dump report descriptors and streams from HID (human interface device) interfaces of USB devices

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