A key part of kernel operation is communication with hardware devices inside and outside of the physical computer. However, it isn't practical for an OS to interact with every possible device in existence. Instead, kernels rely on the ability of device drivers, which add kernel support to spe...
while they all have the linux kernel in common, various linux distributions build their own operating systems on top of the basic open-source foundation. linux distributions, referred to as “distros,” boast a range of backgrounds and features. ubuntu is the world’s most popular free os and...
A kernel is a computer program that functions as the beating heart of the OS, the system that allows users to interact with the computer’s hardware and software. In the case of the Linux OS, the Linux kernel is the code that forms the core component of the OS, enabling it to perform...
With an operating system, the kernel is the first section of the operating system to load into memory. As the center of the operating system, the kernel needs to be small, efficient, and loaded into a protected area in memory to prevent overwriting. Once loaded, the kernel is responsible ...
What is embedded Linux? We’re now in a better position to look at the opening question, “What is embedded Linux?” There are three levels at which we can attempt an answer: The system The kernel (i.e., the core of the OS) The distro The system Intuitively, an embedded Linux syste...
What is a Linux Kernel? The Linux kernel is central to the Linux computer operating system. Thekernelis the core interface between a computer's hardware and its processes, making sure there is available memory for Linux applications to run, optimizing processors, and navigating system requirements...
DTrace is a command-line utility that enables users to monitor and troubleshoot their system's performance in real time. With DTrace, you can dynamically instrument both the kernel and user-space code without any need to modify the code itself. This versatile tool supports a range of data ...
Kernel Security & Protection The kernel also protects the hardware. If there is no protection, any program will be able to carry out any task on the computer, including crashing your computer, corrupting data, etc. In modern-day computers, security is implemented on the hardware level. For ex...
Docker uses resource isolation in the OSkernelto run multiple containers on the same OS. This is different from virtual machines (VMs), which encapsulate an entire OS with executable code on top of an abstracted layer of physical hardware resources. ...
In essence, the Linux kernel is Linux. Operating systems such as Ubuntu, OpenSUSE, and Arch are sometimes called "Linux" because they each use the Linux kernel.The Linux kernel was created by Linus Torvalds in 1991 for use on his personal computer. Today, it is widely-adopted, free, and...