Defragmentation Utility. In an overwhelming show of support, readers selected Raxco Software's PerfectDisk as their tool of choice for disk defragmentation. Whether you manage a small office/home office (SOHO) system or administer an entire enterprise, PerfectDisk will help you free up disk space on your systems and dramatically improve performance. The product's SMART Placement optimization strategy places files on a drive according to usage patterns and consolidates free space to reduce the risk of refragmentation. The command-line interface lets you customize PerfectDisk for different environments, and the Active Directory (AD) and Group Policy integration offers powerful and flexible enterprise management capabilities. If your systems are sluggish, PerfectDisk might just be the perfect solution.