DiskImage is the ultimate tool to backup and restore partitions, entire harddisks, usb keys, floppy drives and (read-only) optical media.
DiskImage features built-in zip compression, it's own compression method for data > 2Gb, MD5 and SHA1 checksumming, a hex editor, and various tools like drive speed and seek testing.
Dumping and restoring partitions, usb sticks, floppies, optical media, diskimage is the swiss army knife.

Features
1. A clear and convenient graphical user interface will help you learning the application quickly.
2. You will be explicitely warned and asked for confirmation before overwriting existing data.
3. Multi-purpose. Wether you simply want read or write floppy images, dump cd or dvd images, hex-edit your partition table, it is all possible!
4. GPL License

Usage examples
1. Calculate MD5 sum of an file or iso
2. Backup and restore USB keys
3. Dump cd's to iso
4. Hexedit files, floppies and disks
5. View partition information
6. Backup and restore data on non-native partitions
7. Search in file or disk for textual or binary data
8. Clone a harddisk
9. Copy contents of one partition to another

Diskimage is not a norton-ghost clone. It wil not automatically backup partitions. It will not move partitions on itself. It can not boot (a minimal OS), it's just a windows-32 application.

Feature matrix:
1. Show logical volumes
2. Show logical drives
3. Show partition table
4. Access raw drive
5. Backup data
6. Restore data
7. Save as zip < 2Gb
8. Save as compressed file
9. Load from compressed file
10. MD5 checksum
11. SHA1 checksum
12. Hex viewer & editor
13. Hex search
14. Ascii search
15. Media change detection
16. Disassemble
17. Edit partition table
18. Direct copy
19. Erase data
20. Write harddisk
21. Read harddisk
22. Write usb key
23. Read usb key
24. Read optical media
25. GPL

The license of this software is Freeware, you can free download and free use this cd utility software.