Defragmenting reorganizes computer disk by putting pieces of related data back together so that files are organized in a contiguous area. As a result, your computer system can access files more efficiently. By efficiently organizing your files and folders, defragmenting will rearrange scattered files so the hard drive runs as efficiently as possible.
This will allow your new files to be saves in an orderly fashion, thereby reducing the likelihood of future defragmentation.
Vista® defragger runs in the background at very low priority and is constantly defragging your machine.
Defragmenting your computer generally improves retrieval time and overall performance. More