Tags: Beginner

Linux Fu: The Great Power of make

Over the years, Linux (well, the operating system that is commonly known as Linux which is the Linux kernel and the GNU tools) has become much more complicated than its Unix roots. That’s inevitable, of course. However, it means old-timers get to slowly grow into new features while new people have...
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Comparing Files and Directories with the diff and comm Linux Commands

There are a number of ways to compare files and directories on Linux systems. The diff, colordiff, and wdiff commands are just a sampling of commands that you're likely to run into. Another is comm. The command (think "common") lets you compare files in side-by-side columns the contents of...
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You Don't Know Bash: An Introduction to Bash Arrays

Although software engineers regularly use the command line for many aspects of development, arrays are likely one of the more obscure features of the command line (although not as obscure as the regex operator =~). But obscurity and questionable syntax aside, Bash arrays can be very powerful. Wait...
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Copying and Renaming Files on Linux

Linux users have for many decades been using simple cp and mv commands to copy and rename files. These commands are some of the first that most of us learned and are used every day by possibly millions of people. But there are other techniques, handy variations, and another command for renaming...
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Linux tail Command Tutorial for Beginners (5 Examples)

Sometimes you want to monitor what new information is being written to a file (think of log files), or for whatever reasons, want to access the last few lines of a file. Well, there's a command line utility that lets you do this in Linux, and it's call tail. In this tutorial, we will discuss the...
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A Beginner’s Guide to Linux

Many people have heard of Linux, but most don’t really know what it is.  Linux is an operating system that can perform the same functions as Windows 10 and Mac OS. The key difference is that Linux is open source. In the most simple terms, it just means that no one single person or corporation...
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filesystem
We continue our look at the tree-like structure of the Linux filesystem and show how to create directories of your own.

Manipulating Directories in Linux

If you are new to this series (and to Linux), take a look at our first installment. In that article, we worked our way through the tree-like structure of the Linux filesystem, or more precisely, the File Hierarchy Standard. I recommend reading through it to make sure you understand what you can and...
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Learn to Create Bootable Linux Flash Drive (using Ubuntu)

To be able to install Ubuntu or any other Linux OS or even any other OS like Windows etc, we either need a bootable FlashDrive or a DVD of the OS. In this tutorial, we will discuss how we can create bootable Linux Flash Drive using a Ubuntu System. There are many tools on almost all operating...
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stop processes
Linux has all the tools you need to stop running processes at the command line. Jack Wallen has details.

How to Kill a Process from the Command Line

Learn how to kill errant processes in this tutorial from our archives. Picture this: You’ve launched an application (be it from your favorite desktop menu or from the command line) and you start using that launched app, only to have it lock up on you, stop performing, or unexpectedly die. You try...
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Batch Editing Files with ed

The other day at work I needed to edit 200 files at once. I wanted to do something pretty simple: basically, I had files that looked like this: foo: - bar - baz - bananas and I wanted to insert an extra line after the baz line that said elephant foo: - bar - baz - elephant - bananas...
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