The same program for hard disk drive you must also use FAT with root directory

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Here we deleted and wiped the data of file PARTBOOT.C. When we see the contents of the floppy with DIR command, the file PARTBOOT.C is not displayed there. When we further execute the program the entry of the deleted file is showed as follows:

FILE NO. FILENAME EXTENSION STARTING CLUSTER FILESIZE
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
ALLPARTS
CUTPASTE
FLOPYDBR
HDD_DBR
REC_DBR
MBR_BACK
PASTEMBR
sARTBOOT
TTPARBOO
TT_IMAGE
TEMPFLP
TEMPWIPE
NOW_RAW
DATAWIPE
LOW_WIPE
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
19
41
42
45
53
59
62
0
71
78
86
96
103
114
118
11131
442
1413
4094
2785
1172
1181
0
3220
3826
4992
3234
5416
2029
3385

Here, the character “” (0xE5), represents that the file has been deleted. (see the table for First Character of File Name).

If you want to write the same program for hard disk drive, you must also use the FAT with root directory to get the information of the data area of any file.

It is so because, the rate of fragmented data in the hard disk drives, increases with time as the older files are deleted and new file are created. Then it is not necessary for all the data clusters of any file in the drive to stay one after one continuously in the data area. By accessing FAT, you can access all of those clusters.

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Data Recovery Book
 
Chapter 1 An Overview of Data Recovery
Chapter 2 Introduction of Hard Disks
Chapter 3 Logical Approach to Disks and OS
Chapter 4 Number Systems
Chapter 5 Introduction of C Programming
Chapter 6 Introduction to Computer Basics
Chapter 7 Necessary DOS Commands
Chapter 8 Disk-BIOS Functions and Interrupts Handling With C
Chapter 9 Handling Large Hard Disks
Chapter 10 Data Recovery From Corrupted Floppy
Chapter 11 Making Backups
Chapter 12 Reading and Modifying MBR with Programming
Chapter 13 Reading and Modifying DBR with Programming
Chapter 14 Programming for “Raw File” Recovery
Chapter 15 Programming for Data Wipers
Chapter 16 Developing more Utilities for Disks
Appendix Glossary of Data Recovery Terms
 
 
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