PC magazine DOS 5 techniques and utilities by Jeff Prosise

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PC magazine DOS 5 techniques and utilities by Jeff Prosise

PC magazine guide to DOS 5 memory management with utilities, Prosise, Jeff, 9781

PC Magazine Basic Techniques and Utilities/Book and Disk by Ethan Winer

PC Magazine DOS Power Tools 2nd edition 1990 original 5.25 disks included

Vintage Electronics: Dvorak McGraw-Hill, Guide to DOS and PC Performance. 1991

"PC Magazine" Guide to DOS 5 Memory Management Jeff Prosise