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  • Be Careful With Strict-Mode!

    You will discover that PowerShell is production-oriented. So, if you specify object properties that do not exist, you will simply get back "nothing": $Host . LetsSee This is bad because you will not get a warning if you mistype a property name...
  • Find True Property Names

    Sometimes, the column names you see when you run cmdlets do not really correspond with the true object property names. For example, Get-Process will create a column named "CPU(s)," and Get-EventLog will display a column named "Time."...
  • Wait For a Program to Finish

    You should use Start-Process and its -Wait parameter if you want to force PowerShell to wait for a program to finish before it continues: Start-Process notepad -Wait This will cause PowerShell to suspend until you close Notepad. You should access the...
  • Analyzing Windows Launch Time

    Beginning with Windows Vista/Server 2008, you can get rich information about your machine from the new additional application and service logs that are accessible by Get-WinEvent. You should have a look at the function Get-WindowsLaunch. It will tell...
  • Use Where-Object to Filter Results

    You can always use Where-Object when you need to filter results. This cmdlet expects a filter script to determine the results you want. Here are some examples: Try this to find only files greater than 1MB: dir $env:windir | Where-Object { $_ . Length...
  • Getting AD Terminal Server Settings

    On client operating systems, such as Windows 7, there are some Support libraries missing that you will need to display terminal server settings stored in the AD. So when you query a user in your AD, all terminal server settings will be missing or blank...
  • List Registry Hives

    Use the provider name instead of a drive name when you need to get a list of all registry hives: Dir Registry :: ReTweet this Tip!
  • Writing Registry Key Default Value

    If you need to set the default value for a registry key, you can use either of these approaches: Set-ItemProperty -Path HKCU:\Software\Somekey -Name ‘ ( Default ) ’ -Value MyValue Or, you can just do this: Set-Item -Path HKCU:\Software\Somekey...
  • Dumping Help

    You can start by dumping all Help information into a file to learn more about a PowerShell cmdlet. You can then read all details about the cmdlet while you are playing with it. This is how you dump all Help information for Get-Process: Get-Help -Name...
  • Out-GridView Requirements

    Out-GridView is a great way to present results in a “mini-Excel” sheet: Get-Process | Out-GridView However, Out-GridView has two requirements:.NET Framework 3.51 and the built-in script editor ISE must both be installed. ISE is not installed...
  • Use CTRL+Arrow!

    Inside the PowerShell console, you can hold CTRL while pressing the arrow key to move the cursor word-by-word. This way, you can move the cursor much faster. ReTweet this Tip!
  • Changing Service Start Mode the PowerShell Way

    When you list services with Get-Service, you will find that a lot of properties may seem to be missing. You can still set such properties when you pipe a service to Set-Service. The following code will change the start mode of the Spooler service (provided...
  • Changing Service Startmode

    You can use WMI like this if you want to change a service start mode: ([ wmi ] 'Win32_Service.Name="Spooler"' ). ChangeStartMode ( 'Automatic' ). ReturnValue ([ wmi ] 'Win32_Service.Name="Spooler"' ). ChangeStartMode...
  • Determining Service Start Mode

    By using WMI, you can enumerate the start mode that you want your services to use. To get a list of all services, try this: Get-WMIObject Win32_Service | Select-Object Name, StartMode If you want to find out the start mode of one specific service, try...
  • Print All PDF Files in a Folder

    Try this one-liner if you need to print out all PDF documents you have stored in one folder: Dir c:\myfolder\ * . pdf | Foreach-Object { Start-Process -FilePath $_ . FullName –Verb Print } ReTweet this Tip!
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