ps1

Write-Host is an extremely useful cmdlet to output information to a user because this output cannot be discarded: function Invoke-Test {...

PowerShell outputs information via different streams. Warnings are written to a different stream than output, and errors again go to a different...

There are (a few) commands in PowerShell that output information to the console no matter what you do. Neither redirection of streams nor assigning...

WMI returns a cryptic number when you ask for operating system details: PS> Get-CimInstance -ClassName Win32_OperatingSystem | Select-Object...

The WMI class Win32_OperatingSystem provides rich information about a number of datetime information, including the date of last boot-up and the...

Each Windows operating system has a description, and you can view (and change) this description with the following command: PS> control sysdm.cpl...

Typically, when you output a single object to Out-GridView, you get one line, and every property surfaces as a column: Get-ComputerInfo |...

WMI and Get-CimInstance can provide you with a lot of useful information but the returned objects often contain a number of empty properties: PS>...

Often, your code needs to assert certain prerequisites. For example, you may want to ensure that a given folder exists, and use code like this: #...

There is no need for external “Wake On LAN” tools. If you want to wake up a network machine, simply tell PowerShell the MAC address of...

PowerShell can interactively convert hexadecimal numbers when you prefix “0x”: PS> 0xAB0f 43791 If the hex number is stored in a...

Argument completion is awesome for a user because valid arguments are always suggested. Many built-in PowerShell commands come with argument...

In the previous tip we talked about the new [ArgumentCompletions()] attribute that was added to PowerShell 7, and how you can use it to add...

Adding argument completion to your PowerShell function parameters can improve the usability of your functions tremendously. A common approach is...