While loop in linux scripts | Linux tutorial 2022 | Linux Masterclass

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Hi Guys

In this linux tutorial 2021 , let's talk about how to use while loop in linux scripts. Simply put, while loop first evaluates an expression to be true and as long as the expression is true it will continue to execute the lines of code.

We will look at some while loop examples as well.

00:00 Introduction to while loop
00:25 while loop bash example 1- print numbers using while loop
02:40 while loop bash example 2 - read contents of a file using while loop
06:50 while loop bash example 3 - read contents of /etc/passwd using while loop

Here is a link to the git repository i used in this

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Lecture 1: Introduction
Lecture 2: Overview of Linux and some common terms
Lecture 3: How to Install Virtualbox on Windows 10
Lecture 4: How to Create your first virtual machine and install Ubuntu
Lecture 5: Overview of some common features in Ubuntu Desktop
Lecture 6: Introduction to Linux shell
Lecture 7: How to access help in Linux shell
Lecture 8: Understanding Files in Linux : Everything is a File
Lecture 9: Perform directory operations and understanding absolute and relative paths
Lecture 10: Understanding the Linux File System
Lecture 11: How to read contents of a File using various commands
Lecture 12: Mastering the VI editor
Lecture 13:Installation and overview of VIM and Nano text editors
Lecture 14: How to manage Users in Linux
Lecture 15 :Linux root : three different types of root in Linux
Lecture 16:Managing groups in Linux and overview of sudo and wheel
Lecture 17:Permissions : securing your Linux environment like an expert
Lecture 18:How to use Grep command to search like a pro in Linux
Lecture 19:How to use find command in Linux
Lecture 20:How to redirect output of a command to a file
Lecture 21:How to use the pipe operator in linux
Lecture 22:How to compress and decompress files in linux usin tar, zip and gzip
Lecture 23: How to schedule tasks in Linux using CRONTAB
Lecture 24: How to Install MySQL server on Linux
Lecture 25:How to Install LAMP stack on Ubuntu Linux
Lecture 26: How to mount a new hard drive on Linux
Lecture 27:How to manage Linux Firewall using UFW( Uncomplicated Firewall)
Lecture 28: Linux Boot Process
Lecture 29: How to upgrade Ubuntu 18.04 to 19.04 Disco Dingo
Lecture 30 : How to use for loop in Linux scripting
Lecture 31: How to use While loop in Linux Bash scripts