Data Recovery with and without Programming

Tarun Tyagi

Published by BPB Publications, 2007
ISBN 10: 8176569224 / ISBN 13: 9788176569224
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Assuming that the reader knows nothing about Programming and Data Recovery. This Book has been written to provide the Knowledge of the Professional Data Recovery and its Programming to the Computer Science students and IT Professionals. Specialty to help those Engineering students who want to learn professional system programming using the latest Interrupt 13H Extensions approach to access the Large capacity disks. The book covers all the necessary Topics and required Study within this, like Description of : 1. Data Recovery Concepts 2. Hard Disks` Geometry Concepts 3. Logical Structure of Disks and Operating System Internals 4. Necessary Number Systems 5. C Programming Techniques 6. Computer Basics with Architecture and Organization 7. Necessary DOS Commands 8. Interrupt handling and defined Disk-BIOS Functions 9. Large Hard Disks Support 10. Different Cases & Data Recovery Operations with its Programming Techniques 11. "Raw File" Recovery 12. Programming for Data Wipers 13. Developing Many Important Utilities Contents Preface I. AN OVERVIEW OF DATA RECOVERY : Introduction to Data Recovery 1. Understanding Data Loss : i. System Crash : a. Human Error b. Software Corruption c. Software Malfunction d. Hardware Error e. Virus Crash f. Sabotage g. Natural Disaster ii. Other Types of Data Loss : a. Loss of One or More Partitions b. Floppy Read Error c. Deletion of Important Data d. Password Loss 2. Types and Areas of Data Recovery 3. Analyzing a Computer before Data Recovery : i. Acceptable Recovery Period ii. Understanding Various Costs : a. Downtime Costs b. Data Recovery Costs iii. User Description iv. Defining the Requirements v. Making Objectives 4. Some Advices before Beginning the Disk Troubleshooting or Data Recovery Procedure 5. Some Tips to Protect your Data : i. Make the Backups ii. Perform Surface Scanning Monthly iii. De-fragment of Data Weekly iv. Use Good Antivirus Program v. Get into the Habit of Keeping your Floppy Write-protected vi. Do Not Use Pirated Games and Software II. INTRODUCTION OF HARD DISKS : Introduction 1. Components of Hard Disk : i. Disk Platters and Media ii. Read/Write Heads : a. Head Crash b. Head Parking iii. Head Sliders, Arms and Actuator : a. Head Sliders b. Head Arms c. Head Actuator iv. Spindle Motor v. Connectors and Jumpers vi. Logic Board vii. Cache and Cache Circuitry 2. Low-level Hard Disk Geometry 3. Formatting : i. Low-level Formatting ii. Partitioning iii. High-level Formatting 4. Formatted and Unformatted Storage Capacity III. LOGICAL APPROACH TO DISKS AND OS : 1. BIOS 2. The INT 13H Interface and INT 13H Extensions : i. Int 13HH Extensions ii. The 2.1 GB Limit iii. The 33.8 GB Limit iv. ATA Specification for IDE Disks - The 137 GB Limit 3. Two and Four Disk BIOS IDE Support 4. Limitations in File Systems : i. FAT 12 ii. FAT 16 iii. FAT 32 iv. NTFS 5. Cluster 6. Cluster Size 7. Logical Structure of a Hard Disk 8. Master Boot Record (MBR) or Master Partition Table (MPT) 9. Master Boot Record Format 10. Partition Table Entry Format : i. Boot Type Indicator Byte ii. Starting Cylinder - Head - Sector Number of the Partition iii. File System Indicator Byte iv. Ending Cylinder - Head - Sector Number of the Partition v. Relative Sector Number of Beginning of the Partition vi. Number of Sectors of the Partition 11. DOS Boot Record (DBR)/DOS Boot Sector : i. Number of Root Directories ii. Total Number of Sectors iii. Media Descriptor iv. Number of Sectors of FAT v. Sectors Per Track (or Sectors Per Head) vi. Hidden Sectors 12. File Allocation Table (FAT) : How Windows Detects the Improper - Shutdown 13. Root Directory 14. Long File Name (LFN) 15. Data Area (or Files Area) 16. Fragmented and Defragmented Data 17. Identifyi Printed Pages: 514. Bookseller Inventory #

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Synopsis: Assuming that the reader knows nothing about Programming and Data Recovery. This book has been written to provide the knowledge of the Professional Data Recovery and its Programming to the Computer Science students and IT Professionals,. Specialist to help those Engineering students who want to learn professional system programming using the latest

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Bibliographic Details

Title: Data Recovery with and without Programming
Publisher: BPB Publications
Publication Date: 2007
Binding: Softcover
Book Condition: New
Edition: First edition.

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