For instance, in the case of the module i , the output looks like this: Whenever you want to make this hardware to work, we have to load this piece of software into the kernel so that your system understands it. Field names are case-insensitive. We can use the modinfo command to obtain some descriptive information about the module. Linux kernel is a monolithic kernel which means single executable all in one.

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For instance, in the case of the module ithe output looks like this: Most of the examples in this tutorial requires root privileges.

The modules also referred to as device drivers are specialized pieces of software which power or control access to a peripheral. They are loaded into or unloaded from the running kernel without the need of a reboot.

Search Poftut Search for: You may have observed from the above Example 5 demonstrated modprobe command is calling rmmod to unload a module and insmod to load a module. Output will resemble the following Note that the field name does not prefix the field values:. And the services will run complete isolation from Kernel space. Your number 0x stands for “Intel Corporation”.


Sign up using Email and Password. Y All kernel modules start their developments as out-of-tree. In this way, we will reduce the burden on the system as we can load kernel modules into kernel where and whenever it is required. When loading a module, the strings in the vermagic value are checked if they match.

8 lsmod, rmmod, modprobe, and modinfo command examples in Linux

My name is Surendra Kumar Anne. The firmware does programming the hardware inside the device. There is no offical list and I wasn’t able to find a Intel device id list to lookup that number.

How to understand the modinfo output?

modinfo – Unix, Linux Command

Field names are case-insensitive. But the operating systems should provide dynamic environments to comply user needs.

All kernel modules start their developments as out-of-tree. Provide information about a kernel other than the running one. He started his career in Libux in as a system administrator. Say for example Linux Kernel will not support all types of hardware, So programmers will write some kernel modules and distribute them along with linnux software. This software is nothing but Kernel module.


In other words, entire device drivers, Filesystem, and IPC will work in kernel space.

A sub class to the base class. We can add the -v option for verbose output.

Linux modinfo command help and examples

All Linux distributions use same kernel named Linux Kernel. Home Help Linux and Unix. Sign up or log in Sign up using Google. These modules are ,odinfo according to requirements and kernel config provided by the distribution. I hail from Vijayawada which is cultural capital of south Indian state of Andhra Pradesh. We use the lsmod command to list currently loaded drivers. You may use these commands directly as well. Post Your Answer Discard By clicking “Post Your Answer”, you acknowledge that you have read our updated terms of serviceprivacy policy and cookie policyand that your continued use of the website is subject to these policies.