In this tutorial, we’ll learn about the sleep command in Linux. While working with bash scripts on your Linux system, some situations may require you to delay the execution of a script. In this case, you need to use the sleep command. This tutorial will help you understand and learn to use the sleep command […]
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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
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The cat and the more commands are used to display the contents of a file or files on the terminal in Linux. Both commands have similar functionality but are still different. How are they similar as well as different at the same time? Let’s find that out now. 1. The cat command Short for concatenate,
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The mv command in Linux allows you to move a file from one location to another. Also, we don’t really have a rename command in Linux. Instead, we move files from one name to another. This is facilitated by the “mv” command which stands for move. For basic usage, you will find it very straightforward
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We recently learned about the cat and the more commands in Linux. In this tutorial, we’ll be covering the head command which is pretty similar to the cat command in the essence that it helps you list down the contents of a file in the terminal. The head command has very few options, making this
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In this article of the shell scripting tutorial series, we’ll learn how to create and use variables in shell scripts. We’ll walk through the different variables that we can make use of that are provided by the system for the Bourne Shell and how to create custom variables to use throughout a shell script. Variables
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In the previous shell scripting tutorial, we worked with simple variables in shell scripts. Today we’ll cover arrays in shell scripts, and how we can create and make use of arrays within our scripts. To declare or create arrays on the fly, we will use the declare command (more explicit) or directly write array_name=(element1 element2
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In the previous shell scripting 101s, we covered arrays and variables in shell scripts. In this tutorial, we’ll cover the while loop in shell script. A while loop in shell scripts is used to repeat instructions multiple times until the condition for the loop stays true. Loops have a lot of use cases in real-world
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In our previous tutorial, we learned the use of the while loop in shell scripts. Now, let’s make use of the break and continue statement in Linux and manipulate the flow of loops. As we know, a loop will end if the condition supplied to it becomes FALSE. But what if you’re running a loop
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