PS C:Powershell> $chs=@("A","B","C")PS C:Powershell> $chsBak=$chsPS C:Powershell> $chsBak[1]="H"PS C:Powershell> $chsAHCPS C:Powershell> $chs.Equals($chsBak)TruePS C:Powershell> $chsNew=$chs.Clone()PS C:Powershell> $chsNew[1]="Good"PS C:Powershell> $chs.Equals($chsNew)FalsePS C:Powershell> $chsAHC