YourDefrag

YourDefrag is a program designed to defragment the contents of your hard drives with FAT and NTFS file systems. YourDefrag is controlled from the command line, allowing you to run defragmentation on multiple drives simultaneously. If you will be defragmenting multiple disks, remember that the best progress will be if the number of processor cores on the system is greater than or equal to the number of disks being defragmented.