![]() Some commands are not available in Windows XP and they are indicates with an asterisk (*).ĪCTIVE - Mark the selected partition as active.ĪSSIGN - Assign a drive letter or mount point to the selected volume.ĪTTRIBUTES - Manipulate volume or disk attributes.*ĪUTOMOUNT - Enable and disable automatic mounting of basic volumes.*ĬLEAN - Clear the configuration information, or all information, off theĬOMPACT - Attempts to reduce the physical size of the file.*ĬONVERT - Convert between different disk formats.ĬREATE - Create a volume, partition or virtual disk. The list of sub-commands for Diskpart are shown below. Always be sure which volume or disk you are operating on. For example, the necessary sequence of commands can be represented in this schematic way for a disk operation: Open command line->open Diskpart shell->list disk->select disk->do disk operationA similar sequence would hold for a operation involving a partition or volume.ĭiskpart exists as a separate executable file diskpart.exe and can also be accessed through the Run line or the Vista/7 search boxes.ĭiskpart is a very powerful command and can easily wipe out the contents of a disk or volume so it must be used with great care. Also note that Windows XP does not allow operations on removable media whereas in Windows Vista/7, media such as USB keys can be the object of Diskpart operations.īefore carrying out an operation on a particular disk, partition, or volume it must first be selected with the "list disk", "list partition", or "list volume" sub-commands followed by a "select" command. These more recent versions of Windows contain features not available in Windows XP, as indicated in the list below. To return to the regular command line, enter "exit".įor Windows Vista and Windows 7 the command line must be opened with administrator privileges. It is opened by first entering the command "diskpart" (without quotes) and then entering one of the various sub-commands that are listed in the section below. The program measures operation time.Diskpart is a separate suite of commands that runs in the command window in its own shell. Test ends in the middle of the testing area. The first block in the first pair will be Block 0, the second block in the first pair will be Block N (where N is number of last block for testing). Butterfly Read mode is similar to Read mode difference only in blocks' order.The program tests blocks one by one from minimum to maximum. The program sends the block of data to the drive and the drive writes the block (All previous data in the block on the drive will be overwritten with the pattern and cannot be recovered after that!) The program measures operation time for each block. In Erase mode the program prepares block of data field with special pattern and an LBA number. ![]() The program reads block of data into a temporary buffer and measures time of operation for each block. ![]()
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