The difference between a kernel and an operating system
Kernel and operating system
An operating system is system software that manages a computer. Its functions are to manage the resources of computers and to meet their communication needs. The kernel is an integral part of an operating system that communicates directly with hardware resources. Without the kernel, an operating system cannot work.
What is the operating system?
An operating system is software that manages a computer. It is a collection of information and programs that manage system (hardware) resources. In addition, it acts as an interface layer between hardware and applications (such as input / output and memory-related operations for functions), allowing application software (such as word processors, etc.) to run. It is the main system software running on a computer. Since users cannot run any other system or application software properly without a running operating system, That’s why operating system can be considered as the most important system software for a computer.
Operating systems are present on all types of machines (not just computers) with processors such as mobile phones, console based gaming systems, supercomputers and servers. Most popular operating systems are Microsoft Windows, Mac OS X, Unix, Linux and BSD. Microsoft operating systems are used in most commercial ventures, while Unix-based operating systems are popular with academic professionals because they are free and open source (and Windows, which is very expensive).
What is a kernel?
The kernel is a major component of a computer operating system. This is the real bridge between hardware and application software. The kernel is generally responsible for managing system resources, including hardware and software communications. It provides a very low level of abstraction between the processor and the input / output device. Inter-process communication and system calls are the basic processes that this low-level facility offers to other applications (by the kernel). Kernels are divided into different types based on design / implementation and how each operating system works. All system codes are executed at the same address space (due to performance improvements) by the monotonous wheel kernel. However, most services are powered by microcarrels in the user space (maintenance and regularity can be enhanced with this method). There are many other approaches between these two extremes.
What's the difference between a kernel and an operating system?
Kernel is the core of a operating system (or minimum level). The operating system (graphical user interface, file management, shell, etc.) depends on the kernel. Other parts depend on the kernel. The kernel is responsible for communicating with the hardware, and it is actually part of the operating system that communicates directly with the hardware. Many welfare routines that can be used to access files, display graphics, get keyboard / mouse input are provided by the kernel used by other software.
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