PowerTip: Use PowerShell to Clean Up Temp Files
Summary: Use Windows PowerShell to delete temporary files.
How can I use Windows PowerShell to clean up a bunch of files that are stored in my temp directory?
Use the Get-ChildItem cmdlet (dir is an alias), point it to the $env:temp directory, and pipe the results
to the Remove-Item cmdlet, for example:
dir $env:TEMP -Recurse | Remove-Item -Force -Recurse