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  1. ubuntu@ubuntu-VirtualBox:~$ sudo fdisk -l
  2.  
  3. Disk /dev/sda: 19.3 GB, 19327352832 bytes
  4. 255 heads, 63 sectors/track, 2349 cylinders, total 37748736 sectors
  5. Units = sectors of 1 * 512 = 512 bytes
  6. Sector size (logical/physical): 512 bytes / 512 bytes
  7. I/O size (minimum/optimal): 512 bytes / 512 bytes
  8. Disk identifier: 0x0001470d
  9.  
  10. Device Boot Start End Blocks Id System
  11. /dev/sda1 * 2048 36702207 18350080 83 Linux
  12. /dev/sda2 36704254 37746687 521217 5 Extended
  13. /dev/sda5 36704256 37746687 521216 82 Linux swap / Solaris
  14.  
  15. Disk /dev/sdb: 3933 MB, 3933732864 bytes
  16. 122 heads, 62 sectors/track, 1015 cylinders, total 7683072 sectors
  17. Units = sectors of 1 * 512 = 512 bytes
  18. Sector size (logical/physical): 512 bytes / 512 bytes
  19. I/O size (minimum/optimal): 512 bytes / 512 bytes
  20. Disk identifier: 0xffffffff
  21.  
  22. Disk /dev/sdb doesn't contain a valid partition table
  23.  
  24. Disk /dev/sdc: 15.9 GB, 15931539456 bytes
  25. 255 heads, 63 sectors/track, 1936 cylinders, total 31116288 sectors
  26. Units = sectors of 1 * 512 = 512 bytes
  27. Sector size (logical/physical): 512 bytes / 512 bytes
  28. I/O size (minimum/optimal): 512 bytes / 512 bytes
  29. Disk identifier: 0x00000000
  30.  
  31. Device Boot Start End Blocks Id System
  32. /dev/sdc1 8192 31116287 15554048 c W95 FAT32 (LBA)
  33. ubuntu@ubuntu-VirtualBox:~$ sudo dd if=/dev/sdb of=orig_image.bin bs=512 count=$((0xF000))
  34. dd: reading `/dev/sdb': Input/output error
  35. 30944+0 records in
  36. 30944+0 records out
  37. 15843328 bytes (16 MB) copied, 226.33 s, 70.0 kB/s
  38. ubuntu@ubuntu-VirtualBox:~$
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