Editor's note: Adam Bertram originally wrote the article and Brien Posey expanded it. The PowerShell parameter is a fundamental component of most PowerShell scripts. Parameters make it possible to ...

Create PowerShell functions only for reusable code, not unnecessary script fragmentation. Avoid over-engineering small PowerShell scripts that become difficult to read and maintain. Keep PowerShell ...

If your automated script takes action based on a value, it's critical to make sure the value is correct. Good thing PowerShell has ways to validate the values that are passed to a function. In recent ...

It works a little too well to mess around.

In the last lesson we started learning how to forge our own PowerShell tools. I started with a simple need, calculate the median and range for a set of numbers. Now that we know how to do it from the ...

Whether you are a technology enthusiast or a professional looking to enhance your scripting skills, we have designed this Windows PowerShell scripting tutorial for beginners, especially for you. So, ...

A shell script is a text file that contains a sequence of commands for a Unix-based operating system (OS). It's called a shell script because it combines a sequence of commands in a file that would ...

In the last part of this series, we looked at defining a type for the output of our PowerShell tool. If you skipped that lesson, you should go back and read it first. I'll wait... Ok. Today we'll look ...