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get-help "command name"
get-member "command name | get-member"
help

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get-Windows Feature -name AD*

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get-WindowsFeature AD-Domain-Services | Install-WindowsFeature

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Get-Command -Module ADDS*
GEt-Help *adds*

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get-help Install-ADDSForest -Examples
Install-ADDSForest -DomainName 'company.local' -InstallDNS

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1..254  | ForEach-Object {
      if(!(Test-Connection 10.0.100.$_ -count 1 -Quiet)) {
	          Write-Output "IP Address Available 10.0.100.$_"
      }
      else {
	      Write-Output "IP Address in use 10.0.100.$_"
      }

}	

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$Vlan = 1..3  | ForEach-Object {
			
	if(!(Test-Connection 10.0.100.$_ -count 1 -Quiet)) {
			[pscustomobject]@{Name = "Available"; Value = "10.0.100.$_"}
	}
	else {
		[pscustomobject]@{Name = "Not Available"; Value = "10.0.100.$_"}
	}
		
}

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$here = Split-Path -Parent $MyInvocation.MyCommand.Path
$sut = (Split-Path -Leaf $MyInvocation.MyCommand.Path).Replace(".Tests.", ".")
. "$here\$sut"

Describe "Get-LocalNIC" {
    It "makes sure there is a NIC with the Wi-Fi name present" {
       Get-LocalNICName | Should Be 'Wi-Fi'
    }

    It "returns the MTU size = 1500" {

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function Get-LocalNICName {
	(Get-NetAdapter | Where-Object { $_.Name -eq 'Wi-Fi'}).Name
}

function Get-LocalNICMTUSize ($name)  {
    (Get-NetAdapter -Name $name).MtuSize
}

function Get-LocalNICFullDuplex ($name) {
    (Get-NetAdapter -Name $name).FullDuplex 

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# you can replace this with list of servers
#$computers  = 1..5 this was for testing purposes
$computers = Get-Content C:\Scripts\test.txt

#Define variable
$DellSystemInfo = $Null

foreach ($node in $computers){
    # Get Dell Server serviceTag
    $ServiceTag1 =(Get-CimInstance -ComputerName $node -ClassName Win32_ComputerSystemProduct).identifyingNumber