index
                    Index
SYMBOL
@ (at sign) 
& (invocation operator) 
% (alias of ForEach-Object) 
$ (dollar sign) 
$_ placeholder, 2nd, 3rd, 4th, 5th, 7th
  copying to variable
  in ForEach-Object
  in hashtables
  in PROCESS script blocks
  in Where-Object 
$ConfirmPreference variable, 2nd 
$DebugPreference, 2nd, 3rd 
$error collection 
$ErrorActionPreference variable, 2nd 
$False (Boolean value) 
$home variable 
$null variable 
$PSBoundParameters variable 
$PSCmdlet object 
$pshome variable, 2nd 
$True (Boolean value)