Deleting a File or Folder without moving it to the Recycle Bin in windows vista
First method
To delete a file or folder without moving it to the Recycle Bin, hold down the Shift key and use Delete command. You can use following three way for this.
•Select the file or folder, hold down the Shift key, and then press the Delete key with keyboard.
•Right-click the file or folder, hold down the [...]