Lifesaver by Donald Lee and John Worthington, v2.0 1983 File: Lifesaver.zip This file contains LIFESAVER.SDK (a ShrinkIt whole-disk archive file) and LIFESAVER.DSK (a standard .dsk disk image file). Use WinZIP or similar utility to unZIP the file. Lifesaver is a DOS 3.3 disk recovery utility. Also on the disk are DiskMuncher (fast copier), DiskID Scan (a disk information utility), and Joystick Checker (joystick adjustment utility).