硬碟分割表（partition table）葛屁可就沒這麼簡單了
不小心翻到一套免錢的 Active@ Partition Recovery，有興趣可以玩玩看！
官網：http://www.partition-recovery.com
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Active@ Partition Recovery for DOS is a very small and easy to use DOS Program (only 150k in size) using which you can:
- Recover deleted partitions (FAT, FAT32 and NTFS)
- Restore deleted FAT and NTFS Logical Drives
- Create Drive Image - for backup purposes
- Scan hard drives and detect deleted FAT and NTFS partitions and/or Logical Drives
- Preview files and folders on deleted partition or drive, to recover proper data
- Backup MBR (Master Boot Record), Partition Table, Boot Sectors
- Restore MBR, Partition Table and Boot Sectors from backup if damaged
