Clear History in PowerShell
Get the PowerShell command history file location:
PS C:> (Get-PSReadlineOption).HistorySavePath
Show the contents of the PowerShell command history file:
PS C:> cat (Get-PSReadlineOption).HistorySavePath
Clear the command history in PowerShell by deleting the history file:
PS C:> Remove-Item (Get-PSReadlineOption).HistorySavePath
Change how PowerShell command history is saved:
PS C:> Set-PSReadlineOption -HistorySaveStyle SaveIncrementally # default
PS C:> Set-PSReadlineOption -HistorySaveStyle SaveAtExit
PS C:> Set-PSReadlineOption -HistorySaveStyle SaveNothing
