Introduction to Shell Scripting And Linux Kernel

Introduction to Shell Scripting And Linux Kernel

Introduction to Shell Scripting And Linux Kernel

Before getting into shell scripting we must understand what shell is.

So what is the shell?

Shell is an interface between user and kernel.In simple words, the shell is set of commands that we issue to interact or communicate with our computer.

Shell not only is a command line interface to the Linux also an interpreter.There are multiple shells available like k-shell,c-shell etc. But Almost all the Linux distributions use bash shell which is developed by GNU project. It combines features from c-shell and k-shell.

So how do we access shell?
In Linux shell is accessed through an application called terminal.Terminal comes pre-installed in every Linux distribution.

What is Shell Scripting?

A shell script is simply a text file where the sequence of Linux commands are placed when it's executed all the commands inside file gets executed one by one.

Shell scripts are used most often for system administration tasks. Shell script automates Linux tasks. Before stepping into shell scripting you must have knowledge of basic Linux commands like piping, redirecting, mod and Linux file system as well.

Advantages of Shell Scripting

Ease of development:

You can write powerful scripts in no time.

Easy to learn:

Shell is a high-level language.it's The syntax is easy to learn. you can write complex tasks with ease. Quick start, and interactive debugging.

To automate Linux takes

Shell scripting is used to automate the frequent tasks.The tasks that you do on the daily basis.You can certainly reduce your workload with shell scripting

portable

You can execute bash scripts on any Unix-like operating system without modification.

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Creating simple tools

Being an administrator you will need to create plenty of tools so bash scripting is the answer.

So above are the Introduction to Shell Scripting And Linux Kernel. Hope you like this article, keep on sharing with others too. Also, share your experience with us in a comment box below.