Switch case in shell scripts is an efficient alternative to the if-elif-else statement we learned previously. The concept of the switch case statements is that we provide an expression for different cases (conditions) to the statement that, when fulfilled, will execute specific blocks of commands. Let’s learn how to create a switch case block and how it […]
Shell Scripting 101: Switch Case in Shell Scripts Read More »
After learning the basics in our previous tutorials about if-else statements, switch-case statements, etc, it’s time to create functions in shell scripts. Functions help us divide scripts into different sections and make the code more portable as well as reusable. Defining Functions in Shell Scripts The basic syntax for defining a function is just the
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Continuing our series, in today’s article, we’ll go over the until loop in shell scripts. We’ve already covered for loops and while loops in shell scripts in our previous tutorials. You’ll find a lot of similarities in the while and until loop so we’ll also look at the differences between both the loops in this
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We talked about the while, for, and until loops in shell scripts in the past few tutorials now. Let’s learn the select loop in shell scripts, a very interesting and unique loop in bash. Why is it interesting or unique? Let’s find out in this tutorial today. What is the select loop in Shell Scripts?
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There are multiple ways of setting hostname in Debian or Linux system. You can temporarily change the hostname, or permanently apply the changes to a system. Let’s go over these methods. Setting hostname temporarily Let’s start with the temporary and simple method. The hostname command in Debian allows you to set up the system hostname
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The mkdir command in Linux is used to make directories, hence the command is named mkdir. With traditional GUI systems, if you want multiple directories, you have to create one directory at a time. The mkdir is a very flexible and customizable command in this matter. Let’s look at the functionality. Also read: How to
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As a Linux user, or as a server administrator, you need to regularly understand how long your servers have been up and running to understand their patch levels. What that means is that if a major update was recently rolled out, but a server has been up for a few weeks, you know that the
The uptime Command in Linux Read More »