COMPUTER SCIENCE AND ENGINEERING
UNIX
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Shell
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Commands
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Kernel
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Applications
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Detailed explanation-1: -Kernel − It is the core component of Operating System, interacts directly with hardware, provides low level services to upper layer components.
Detailed explanation-2: -The CPU interacts directly with the primary memory to perform read/ write operations. It is of two types viz. i) Random-access memory (RAM), and ii) Read-only memory (ROM). RAM is volatile i.e. as long as the power is supplied to the computer, it retains the data in it.
Detailed explanation-3: -The Linux® kernel is the main component of a Linux operating system (OS) and is the core interface between a computer’s hardware and its processes. It communicates between the 2, managing resources as efficiently as possible.
Detailed explanation-4: -Kernel − The kernel is the heart of the operating system. It interacts with the hardware and most of the tasks like memory management, task scheduling and file management.
Detailed explanation-5: -A kernel performs process management. The shell forms the outer layer of the operating system. The kernel forms the inner layer of the operating system. A shell interacts with all of its users and then interprets into a language that is understandable by the machine.