Language Selection

English French German Italian Portuguese Spanish

The Linux Kernel: Drivers

Filed under
Linux

Drivers are small programs that enable the kernel to communicate and handle hardware or protocols (rules and standards). Without a driver, the kernel does not know how to communicate with the hardware or handle protocols (the kernel actually hands the commands to the BIOS and the BIOS passes them on the the hardware). The Linux Kernel source code contains many drivers (in the form of source code) in the drivers folder. Each folder within the drivers folder will be explained. When configuring and compiling the kernel, it helps to understand the drivers. Otherwise, a user may add drivers to the kernel that they do not need or leave out important drivers. The driver source code usually includes a commented line that states the purpose of the driver. For example, the source code for the tc driver has a single commented line that says the driver is for TURBOchannel buses. Because of the documentation, users should be able to look at the first few commented lines of future drivers to learn their purpose.

There are different terms that should be understood so that the information below is understandable. An I/O device is an Input/Output device.

rest here




More in Tux Machines

OSS Leftovers

Today in Techrights

Android Leftovers

GNU/Linux on Desktop/Phone: System76, DeX, Librem

  • Pop!_OS Is Finally Here — System76’s Ubuntu-based Operating System For Developers
    The first ever stable release of Pop!_OS is finally here. You can go ahead and download it from this link. Don’t forget to share your feedback. Earlier this year in June, we reported that System76 is creating its own Linux distro called Pop!_OS.
  • Samsung DeX Promises to Bring the Linux PC Experience to Your Mobile Device
    After unveiling its next-generation Bixby 2.0 intelligent assistant, Samsung today announced that it plans to bring the Linux PC experience to the Samsung DeX ecosystem.
  • Steps toward a privacy-preserving phone
    What kind of cell phone would emerge from a concerted effort to design privacy in from the beginning, using free software as much as possible? Some answers are provided by a crowdfunding campaign launched in August by Purism SPC, which has used two such campaigns successfully in the past to build a business around secure laptops. The Librem 5, with a five-inch screen and radio chip for communicating with cell phone companies, represents Purism's hope to bring the same privacy-enhancing vision to the mobile space, which is much more demanding in its threats, technology components, and user experience. The abuse of mobile phone data has become a matter of worldwide concern. The capture and sale of personal data by apps is so notorious that it has been covered in USA Today; concerns over snooping contribute to the appeal of WhatsApp (which has topped 1.3 billion users) and other encrypted and privacy-conscious apps. But apps are only one attack vector. I got in touch with Todd Weaver, founder and CEO of Purism, to find out what the company is doing to plug the leaks in mobile devices.