DFU, Storage Management, High Performace disk/file utility. ! DFU Disk and File Utilities is a high performance utility developed to perform routine maintenance and special purpose operations on disks, files and directories. The functionality offered by DFU is not or only partially available through other DCL commands or VMS utilities. Available functions : - DEFRAGMENT a single or a small number of files - DELETE files by file-id; delete directory(trees) fast - DIRECTORY functions : COMPRESS or DUMP directories : search directories for files with multiple versions , alias files or empty directories : create directories with preallocated size - REPORT disk for file, freespace and disk usage statistics - SEARCH very fast for specific files - SET : change many file attributes - UNDELETE files - VERIFY and REBUILD of the disk structure ! end-of-text