More DOS Secrets Author:Dan Gookin This guide explores an even deeper level of hidden DOS features and commands. It examines unique DOS 5.0 and Windows 3.1 features, as well as tricks and secrets that apply to all DOS versions. This book shows you how to: optimize your Windows 3.1 performance; get the most out of DOS 5.0; save lost data from formatted disks; program unused keys t... more »o access hidden ASCII characters; create virtual RAM disks to simplify the removal of unwanted files; program your computer with DEBUG; use Windows' diskcopy feature without swapping disks repeatedly; call another computer using your modem and DOS 5.0; use previously unaccessible memory with new DOS commands; trim your AUTOEXEC.BAT and CONFIG.SYS files for faster startups; and configure your system's memory.« less