Short description of Auslogics Disk Defrag 3.1.8: Disk Defrag will speed up your computer by optimizing file system. It can defragment files, consolidate free space and move system files to the faster part of the disk. With Disk Defrag you'll get the maximum out of your hard drive performance. It is supplied with a powerful engine and smart algorithms which allow Disk Defrag to run much faster than similar tools. And with its comprehensive reports you will always be aware of what have been done.