WindowsBox.Compact.psm1
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<# .Synopsis Optimize disk usage .Description This cmdlet optimizes the disk usage of Windows #> function Optimize-DiskUsage { Write-Output "Cleaning Windows Update Files" Remove-Item "C:\Windows\SoftwareDistribution\Download" -Recurse -Force -ErrorAction SilentlyContinue mkdir C:\Windows\SoftwareDistribution\Download net start wuauserv Write-Output "Cleaning Temp Files" try { Takeown /d Y /R /f "C:\Windows\Temp\*" Icacls "C:\Windows\Temp\*" /GRANT:r administrators:F /T /c /q 2>&1 Remove-Item "C:\Windows\Temp\*" -Recurse -Force -ErrorAction SilentlyContinue } catch { Write-Output 'Failed to remove some temp files' } Write-Output "Defragging C: Drive" Optimize-Volume -DriveLetter C Write-Output "Wiping Empty Space on C: Drive" $FilePath="c:\zero.tmp" $Volume = Get-CimInstance -ClassName Win32_LogicalDisk -Filter "DeviceID='C:'" $ArraySize= 64kb $SpaceToLeave= $Volume.Size * 0.05 $FileSize= $Volume.FreeSpace - $SpacetoLeave $ZeroArray= new-object byte[]($ArraySize) $Stream= [io.File]::OpenWrite($FilePath) try { $CurFileSize = 0 while($CurFileSize -lt $FileSize) { $Stream.Write($ZeroArray,0, $ZeroArray.Length) $CurFileSize +=$ZeroArray.Length } } finally { if($Stream) { $Stream.Close() } } Remove-Item $FilePath -Force -ErrorAction SilentlyContinue } |