About dClass: dClass was written by John B. Matthews as a means of ensuring that sensitive or confidential information cannot be recovered from used disks. This program is shareware. If you use it, please send $20 to: Gem City Software, 6415 Tantamount Lane, Dayton, Ohio 45449. Copyright 1989 and 1990 Gem City Software.
Special thanks to Lloyd A. Greene of Systematic Computer Services who inspired this work.
