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Difference between Shell and Kernel

  • Last Updated : 27 Jul, 2021

1. Shell :
A shell is an environment or a special user program which provide an interface to user to use operating system services. It executes programs based on the input provided by the user.

2. Kernel :
Kernel is the heart and core of an Operating System that manages operations of computer and hardware. It acts as a bridge between the user and the resources of the system by accessing various computer resources like the CPU, I/O devices and other resources.

Difference between Shell and Kernel :

1.Shell allows the users to communicate with the kernel.Kernel controls all the tasks of the system.
2.It is the interface between kernel and user.It is the core of the operating system.
3.It is a command line interpreter (CLI).Its a low level program interfacing with the hardware (CPU, RAM, disks) on top of which applications are running.
4.Its types are – Bourne Shell, C shell, Korn Shell, etc.Its types are – Monolithic Kernel, Micro kernel, Hybrid kernel, etc.
5.It carries out commands on a group of files by specifying a pattern to matchIt performs memory management.
6.Shell commands like ls, mkdir and many more can be used to request to complete the specific operation to the OS.It performs process management.
7.It is the outer layer of OS.It is the inner layer of OS.
8.It interacts with user and interprets to machine understandable language.Kernel directly interacts with the hardware by accepting machine understandable language from the shell.

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