If you live in the Linux Shell/Terminal, aliases are a massive timesaver. Here’s how to create your own Bash aliases, with examples. What is an Alias in Bash/Linux Shell? An alias is a shortcut to a longer command. It’s similar to a keyboard shortcut – like the CTRL + C key… Read More »Bash Aliases – What They Are and How To Use Them
This article will outline how to delete files and directories in Linux with the rm command and give example usage. The rm Command in Linux Files and directories can be deleted from the shell/command line in Linux using the rm command. rm Command Syntax rm OPTIONS FILES Note that: OPTIONS is a… Read More »Remove/Delete Files/Directories in Linux with rm
This article will walk you through moving files in Linux with the mv command, with examples and tips on moving files safely. mv Syntax Moving files is done using the mv command, which has the following syntax mv OPTIONS SOURCE DESTINATION Note that: OPTIONS is a list of options from… Read More »Move Files With the mv Command in Linux, With Examples
Bash/Shell scripts usually run sequentially until all of the code in the file has been executed. The exit command will exit the script before this based on conditions of your choosing. exit Command Syntax Here’s the syntax for the exit command, which can be used in Bash/Shell scripts: exit… Read More »Exiting Bash Scripts with the exit Command, With Examples
We’ve covered using variables in Bash previously – this article will explain Bash array variables and provide some example usage. What is an Array An array is a type of variable that can hold multiple values. It’s a list of values you can loop through and perform operations… Read More »Array Variables in Bash, How to Use, With Examples
This article will explain what the [email protected] is in Bash and Bash/Shell scripting and how and why you might use it. The [email protected] variable is a special variable in Bash which holds the value of all of the command line arguments/parameters passed to the script. Command Line Arguments/Parameters in Bash… Read More »What is [email protected] (Command Line Arguments) In Bash/Linux?
The diff command is an easy way to compare files or directories from the Linux shell. This article will show you how to use it, with some examples of common usage. The diff command performs a line-by-line comparison of two files or directories and outputs the differences between… Read More »Linux diff – How to Show Differences and Make Patches, With Examples
The cat (concatenate) command in Linux/Bash is most commonly used to read the contents of a file. It outputs the contents of a given file. Here’s how to use it. cat concatenates files to standard output – by default, this is to the console for viewing on your computer screen.… Read More »cat Command in Linux/Bash – How to Use It, With Examples
The Linux/Bash shell has three data streams that you can tap into when executing commands – stdin, stdout, and stderr. Here’s how to use them. stdin, stdout, stderr allow for the display of text in the console, and the data being output each stream can be directed into other programs. These… Read More »Redirect stdin, stdout, stderr in Linux/Bash, With Examples
Here’s a short article on concatenating (merging) strings in Bash – the right way. Examples included. There are various ways two or more strings could be joined in a shell script. Various programs will accept strings and return them merged/concatenated – but using the side-effect… Read More »Concatenate Strings in Bash/Shell Scripts, With Examples
