Manual Partition Operations56 Copyright © Acronis, Inc., 2000–2010Hard disk clearing parameters window4. By clicking OK, you'll add a pending operation of hard disk clearing.Deleting hard disk partitions does not destroy disk sector contents. They can be restored byspecial means, if needed. Therefore, if you need to destroy confidential information, set theswitch to Delete partitions and destroy data!For information about the Acronis Disk Director Suite data wiping algorithm see thecommentary for 4.1.10 «Deleting a partition».Deleting a partition in Windows 98/Me can change the order of letters assigned to otherpartitions. As a result, some shortcuts might stop working. A detailed discussion of partitionletter assignment rules for various operating systems appears in 3.1 «Creating A NewPartition».4.2 Additional Partition OperationsAdditional hard disk partition operations include some rarely used but usefuloperations for converting partition file systems, hiding and unhiding partitions, settingactive partitions, changing root size and changing partition cluster size.4.2.1 Changing partition letterSome operating systems assign letters (C:, D:,…) to hard disk partitions at startup. Theyare used by applications and operating systems to locate files on partitions.Connecting an additional disk, as well as creating or deleting a partition on existing disks,might change your system configuration. As a result, some applications might stop workingor user files might not be opened. To prevent this, you can change letters assigned by anoperating system.If you need to change a letter assigned to a partition by an operating system:1. Select the hard disk and partition on it.2. Select Disk Advanced Change Letter or a similar item in the Advanced sidebarlist, or click Change the logical drive letter on the toolbar.3. Select a new letter in the Change letter window.