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 ...

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 ...

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 ...

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, ...

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 ...

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 ...

Scripts are part of the foundation for efficient network administration. Network administrators are generally not programmers, but they need tools that will let them automate certain tasks and ...

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 ...