Step-by-step lessons show you how to safety double the size of your hard disk and manage memory better. Easily spot, detect, and repair potential hard drive problems -- before they become serious. Master all the vital file-management and system maintenance procedures -- while expert tips show you ways to customize DOS with batch files and DOSKey macros. Plus, learn how to optimize your hard disk.

- Fast and easy strategies increase your PC performance and prevent data loss

- Learn to maximize your system's available memory and hard disk space

- Get more out of DOS with expert batch file and macro techniques