Tags: UNIX

GhostBSD: A Solid Linux-Like Open Source Alternative

The subject of this week's Linux Picks and Pans is a representative of a less well-known computing platform that coexists with Linux as an open source operating system. If you thought that the Linux kernel was the only open source engine for a free OS, think again. BSD (Berkeley Software...
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The Hard Part in Becoming a Command Line Wizard

I’ve long been impressed by shell one-liners. They seem like magical incantations. Pipe a few terse commands together, et voilà! Out pops the solution to a problem that would seem to require pages of code. Are these one-liners real or mythology? To some extent, they’re both. Below I’ll give a...
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ampersand
Learn how to use ampersands in combination with angle brackets and get more out of the command line.

Ampersands and File Descriptors in Bash

In our quest to examine all the clutter (&, |, ;, >, <, {, [, (, ), ], }, etc.) that is peppered throughout most chained Bash commands, we have been taking a closer look at the ampersand symbol (&). Last time, we saw how you can use & to push processes that may take a long time to...
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The Linux Command-Line Cheat Sheet

When coming up to speed as a Linux user, it helps to have a cheat sheet that can help introduce you to some of the more useful commands. In the tables below, you’ll find sets of commands with simple explanations and usage examples that might help you or Linux users you support become more...
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ampersand.png

ampersand
This tutorial takes a closer look at the ampersand (&) and the various ways it can be used at the command line.

And, Ampersand, and & in Linux

Take a look at the tools covered in the three previous articles, and you will see that understanding the glue that joins them together is as important as recognizing the tools themselves. Indeed, tools tend to be simple, and understanding what mkdir, touch, and find do (make a new directory, update...
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Zipping Files on Linux: The Many Variations and How to Use Them

Some of us have been zipping files on Unix and Linux systems for many decades — to save some disk space and package files together for archiving. Even so, there are some interesting variations on zipping that not all of us have tried. So, in this post, we’re going to look at standard zipping and...
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Back to Basics: Sort and Uniq

Learn the fundamentals of sorting and de-duplicating text on the command line. If you've been using the command line for a long time, it's easy to take the commands you use every day for granted. But, if you're new to the Linux command line, there are several commands that make your life easier...
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Linux timeout Command Explained for Beginners (with Examples)

Sometimes, when you execute a command in Linux, you might want to run it for a set amount of time. There exists a command line utility - timeout - that's specifically developed for this purpose. In this article, we will discuss the basics of this command using some easy to understand examples. But...
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How to Bring Good Fortune to Your Linux Terminal

It's December, and if you haven't found a tech advent calendar that sparks your fancy yet, well, maybe this one will do the trick. Every day, from now to the 24th, we're bringing you a different Linux command-line toy. What's a command-line toy, you ask? It could be a game or any simple diversion...
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Selectively Deploying your Superpowers on Linux

The sudo command is very handy when you need to run occasional commands with superuser power, but you can sometimes run into problems when it doesn’t do everything you expect it should. Say you want to add an important message at the end of some log file and you try something like this: $ echo "...
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