How to Use Modules-PowerShell

PowerShell, developed by Microsoft, has gained immense popularity as a versatile scripting language for system administration and automation tasks. One of its key features is the ability to leverage “modules”, which enable users to extend the capabilities of PowerShell by utilizing pre-built sets of cmdlets, functions, and scripts.

This article will delve into the usage of “modules” in PowerShell, targeting users seeking to enhance their understanding and proficiency in PowerShell scripting.

What is a Module?

“Modules” in PowerShell provide a structured way to encapsulate and distribute reusable code. At their core, “modules” consist of stored assemblages of functions, cmdlets, variables, and other resources required to perform specific tasks. They offer a means to package and share code libraries easily, enhancing code reusability and ensuring consistency across scripts.

Importing and Listing Modules

To access the “module” functionality, users must import the desired module into their PowerShell environment. This can be achieved by using the “Import-Module” cmdlet, allowing for the execution of the available commands and functions, applied below:

Import-Module PSReadline


To view the available modules, the “Get-Module” cmdlet provides a comprehensive list, along with their versions and other essential details, as follows:



Managing the Modules

It’s essential to know how to manage “modules” in order to use them properly. PowerShell provides various commands to find and install “modules”. The central repository for modules is PowerShell Gallery, a vast online collection that can be accessed using commands like “Find-Module” and “Install-Module”.

Managing “module” versions and dependencies is also crucial for maintaining consistency and avoiding compatibility issues.  Following is the demonstration of the above-discussed commands:

Find-Module -Name PowerShellGet


As seen, the above-entered command locates the specified module.

Now, the following command installs the stated module:

Install-Module -Name NetworkingDsc


Updating and Removing Modules

It is essential to keep the “modules” up to date in order to guarantee top performance and compatibility. PowerShell provides the “Update-Module” cmdlet, enabling users to effortlessly update “modules” via the PowerShell Gallery or alternative repositories:

Update-Module NetworkingDsc


Conversely, if a “module” is no longer needed, the following “Remove-Module” cmdlet facilitates its removal from the PowerShell session when necessary:

Remove-Module PSReadline


Debugging and Troubleshooting Modules

While working with “modules”, users may face occasional challenges and encounter errors. PowerShell provides powerful debugging tools to troubleshoot such issues. With cmdlets like “Get-Help”, users can diagnose problems, validate “module” integrity, and ensure smooth operations:

Get-Help Format-Table


Discovering Module Functionality

Once a “module” is imported, it is essential to explore its available functions and cmdlets. The following “Get-Command” cmdlet allows for easy discovery of “module” features, providing users with a comprehensive list of commands, and associated syntax:



Exporting Custom Modules

In addition to utilizing existing “modules”, PowerShell permits the creation of custom modules. These “modules” enable users to package their code for efficient reuse across projects and team environments, fostering collaboration and productivity.

The “New-Module” cmdlet facilitates the creation of custom “modules”, defining their structure and ensuring that they conform to the necessary specifications:

New-Module -ScriptBlock {function Greeting {"Hello Linuxhint!"}} -name GreetingModule


Module Documentation

Comprehensive “module” documentation enhances the accessibility and usability of “modules”. PowerShell encourages the inclusion of detailed help content within “modules”, allowing users to gain clear insights into available functionality, usage examples, and required parameters.

Updating and Maintaining Modules

To ensure compatibility, security, and improved functionality, it is crucial to keep the “modules” up to date. PowerShell provides commands like “Update-Module” and “Uninstall-Module” to manage “module” versions, retain desired versions for compatibility, and cleanly remove unused “modules”:

Update-Module NetworkingDsc


Uninstall-Module NetworkingDsc



Utilizing “modules” in PowerShell empowers users to tap into the full potential of this scripting language. These consist of importing and listing modules, managing them, updating them, removing them, exporting custom modules and many other functionalities which can be done with the modules.

About the author

Hiba Shafqat

I am a Computer Science student and a committed technical writer by choice. It is a great pleasure to share my knowledge with the world in which I have academic expertise.