Update Defrag-Disk.ps1

Author: ikkxeer

Scripts/Defrag-Disk.ps1

@@ -1 +1,6 @@
-defrag /C /O
+$DiskLetters = Get-Volume | Select-Object -ExpandProperty DriveLetter
+
+foreach ($Letter in $DiskLetters) {
+    Optimize-Volume -DriveLetter $Letter -Analyze -Verbose
+    Write-Host " "
+}