WIndows Disk Housekeeping and Cleaning Utilities.These 2 applications enable you to answer the question: "where has all my disk space gone?", and once answered, the disk space can be quickly and easily reclaimed. DiskUsage & DiskClean are distributed together as one utility package. DiskClean: This is a dialog-based application which can delete or move a set of files based on their type or age. you can save a ‘clean-up’ configuration so the same clean-up job can be easily repeated.