1. Using Out-Null Cmdlet : Hides/discards the output instead of sending it down the pipeline or displaying it.

2. Typecasting to [void] : This is more of a very C#-flavored trick

3. Redirection to $NULL:  Redirecting the output to the Automatic variable $Null

4 . Assignment to $NULL: Assigning the output to the Automatic variable $Null