The Linux command line is a powerful tool that gives you complete control over your system. But to unleash its full potential, you must understand the environment in which it operates. One crucial ...

How to Set Temporary Environment Variables in Linux (+Video Tutorial) Your email has been sent In Jack Wallen's tutorial for developers, he show how easy it is to set temporary environment ...

The Linux command line can seem ... try exploring the directories listed in your PATH variable. These will contain programs ...

The Linux set command allows you to change the value of shell options or to display the names and values of shell variables. Rarely used, it is a bash builtin, but is quite a bit more complicated ...

me@banshee:~$ ./perlexample Hi again! Now that we understand how to set and read values of variables on the command line, let's move on to a very useful operator: $(). me@banshee:~$ y="1 2 3" me@ ...

The command prompt in a Linux terminal window is often just a ... something your shell creates on the fly. Instead, it’s a variable and its name is PS1. To see how your prompt is defined ...

I often have to locate hidden files (files that start with a dot) and also want to ensure the output is set to color (which ... 10 aliases that will make your Linux command line experience a ...