WinDD - Disk Dump for Windows! Windows XP version of Unix 'dd' command. Safe, effort-free backup for FAT, FAT32, NTFS, ext2, ext3 partitions.
The Disk Utility also known as local Disk Management is a basic management tool used to perform disk-related tasks in your PC. The tasks includes, resizing partitions, extending or shrinking system partition, deleting, creating, and formatting partitions, etc. Such tasks are important to change the partition, formatting, etc, of your hard drive, but for that, first it's important to know how to access Disk Utility in Windows 7.
WinDD does not work with GPT partitioned drives.