All About DOS: Enhanced Edition. This item is unavailable.All About DOS: Enhanced Edition

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.