{ "item_title" : "All About DOS", "item_author" : [" Bill Martens", "Brian Wiser "], "item_description" : "As a guide to DOS 3.3 for the Apple II, All About DOS contains many useful programs and in-depth topics. This new Enhanced Edition, encompassing over 560 pages, is improved with a new design, art, glossary, and technical appendices. It includes a wide variety of references and how-to's, making it a great reference for Apple II programmers. Highlights Include: - How DOS Works - RWTS, Internals, Diskettes. - The Directory - Sectors, Catalog Edit, Wildcards. - File Handling - Sequential to Random files, EXEC - Speeding Up DOS - Fast Boot, Loaders for Text, BASIC, Binary. - Repairing Bugs - Sequential files, Sector display, Stack. - DOS Modifications - Customizing, Using available holes in DOS. - 'R' Files: Relocatable Object Code - Create code with the Toolkit assembler. - Utilities - Automate DOS patches, Disk Error Checking - Memory Management - Moving DOS to the Language Card. - Other Operating Systems - DOS 4.1, Pascal, CP/M, TRS-80, Atari.", "item_img_path" : "https://covers2.booksamillion.com/covers/bam/0/35/976/904/0359769047_b.jpg", "price_data" : { "retail_price" : "49.95", "online_price" : "49.95", "our_price" : "49.95", "club_price" : "49.95", "savings_pct" : "0", "savings_amt" : "0.00", "club_savings_pct" : "0", "club_savings_amt" : "0.00", "discount_pct" : "10", "store_price" : "" } }

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