Source Code Examples

PowerShell is a powerful scripting language and command-line shell designed for system administration and automation. It offers advanced features for managing and configuring Windows 11 systems. This guide provides a list of useful PowerShell commands that can help you perform various tasks efficiently.

Introduction

PowerShell commands, also known as cmdlets, provide direct access to various system functions and features, enabling you to automate tasks, configure settings, and troubleshoot issues effectively. By mastering these commands, you can significantly enhance your ability to manage Windows 11. This guide includes essential PowerShell commands with brief descriptions of their uses.

System Information and Management

Get-ComputerInfo: Display detailed information about the computer.
```
Get-ComputerInfo
```
Get-Process: List all running processes on the system.
```
Get-Process
```
Stop-Process: Stop a running process by process name or ID.
```
Stop-Process -Name "notepad" -Force
```
Restart-Computer: Restart the computer.
```
Restart-Computer
```
Shutdown-Computer: Shutdown the computer.
```
Stop-Computer
```
Get-Service: List all services on the system.
```
Get-Service
```
Start-Service: Start a service.
```
Start-Service -Name "wuauserv"
```
Stop-Service: Stop a service.
```
Stop-Service -Name "wuauserv"
```
Get-EventLog: Get event log data.
```
Get-EventLog -LogName "System"
```

File and Directory Management

Get-ChildItem: List the contents of a directory.

Get-ChildItem -Path "C:\Users\YourUsername\Documents"

Copy-Item: Copy files or directories.

Copy-Item -Path "C:\Source\file.txt" -Destination "C:\Destination\file.txt"

Move-Item: Move files or directories.

Move-Item -Path "C:\Source\file.txt" -Destination "C:\Destination\file.txt"

Remove-Item: Delete files or directories.
```
Remove-Item -Path "C:\Source\file.txt"
```

New-Item: Create a new file or directory.

New-Item -Path "C:\NewFolder" -ItemType Directory

Set-Location: Change the current directory.

Set-Location -Path "C:\Users\YourUsername\Documents"

Get-Content: Display the contents of a file.
```
Get-Content -Path "C:\Source\file.txt"
```

Network Management

Get-NetIPConfiguration: Display IP configuration details.
```
Get-NetIPConfiguration
```
Test-Connection: Test network connectivity (similar to ping).
```
Test-Connection -ComputerName www.google.com
```
Get-NetAdapter: Display network adapter details.
```
Get-NetAdapter
```

Disable-NetAdapter: Disable a network adapter.

Disable-NetAdapter -Name "Ethernet" -Confirm:$false

Enable-NetAdapter: Enable a network adapter.
```
Enable-NetAdapter -Name "Ethernet"
```

User and Group Management

Get-LocalUser: List all local user accounts.
```
Get-LocalUser
```

New-LocalUser: Create a new local user account.

New-LocalUser -Name "NewUser" -Password (ConvertTo-SecureString "Password123" -AsPlainText -Force) -FullName "New User" -Description "Test User"

Remove-LocalUser: Delete a local user account.
```
Remove-LocalUser -Name "NewUser"
```
Get-LocalGroup: List all local groups.
```
Get-LocalGroup
```

Add-LocalGroupMember: Add a user to a local group.

Add-LocalGroupMember -Group "Administrators" -Member "NewUser"

Remove-LocalGroupMember: Remove a user from a local group.

Remove-LocalGroupMember -Group "Administrators" -Member "NewUser"

System Configuration

Get-WindowsFeature: List all Windows features and roles.
```
Get-WindowsFeature
```
Install-WindowsFeature: Install a Windows feature or role.
```
Install-WindowsFeature -Name "Web-Server"
```
Uninstall-WindowsFeature: Uninstall a Windows feature or role.
```
Uninstall-WindowsFeature -Name "Web-Server"
```
Get-WindowsUpdateLog: Get Windows Update log details.
```
Get-WindowsUpdateLog
```
Get-InstalledModule: List all installed PowerShell modules.
```
Get-InstalledModule
```
Install-Module: Install a PowerShell module from the PowerShell Gallery.
```
Install-Module -Name "PSReadLine" -Scope CurrentUser
```

Additional Tips

Help Command: Use the Get-Help command followed by the cmdlet name to get detailed information about a specific cmdlet.
```
Get-Help Get-Process
```
Command History: Use the Up Arrow and Down Arrow keys to scroll through previously entered commands.
Run as Administrator: Some commands require administrative privileges. Right-click on PowerShell and select Run as administrator.

Conclusion

You have successfully learned some of the most useful PowerShell commands for Windows 11. By mastering these commands, you can effectively manage your system, automate tasks, and troubleshoot issues. Regularly refer to this guide to enhance your PowerShell skills and improve your overall productivity.

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PowerShell Commands for Windows 11