Basics for DOS

BASIC remains the most popular language among DOS programmers. This book aims to be a comprehensive guide to GW-BASIC, BASICA, and Microsoft QuickBASIC which is inlcluded with DOS 5.0. The book demonstrates the structured programming techniques needed both for good BASIC style and as a basis for working with more complex languages. Among the topics covered are: integrating batch files in BASIC, indexing and sorting using binary trees; and protecting files with simple cryptography.