winhex GPT下载

weixin_39820535 2019-09-22 10:01:02
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The Disk Editor, that is part of the Tools menu, allows you to access floppy and hard disks below file system level. Disks consist of sectors (commonly units of 512 bytes). You may access a disk either logically (i. e. controlled by the operating system) or physically (controlled by the BIOS). On most computer systems you can even access CD-ROM and DVD media. There is an optional raw mode for optical drives that allows to read from audio CDs and also the complete 2352-byte sectors on data CDs (CD-ROM and Video CDs) that contain error correction codes. Opening a logical drive means opening a contiguous formatted part of a disk (a partition) that is accessible under Windows as a drive letter. It's also called a "volume". WinHex relies on Windows being able to access the drive. Opening a physical disk means opening the entire medium, as it is attached to the computer, e.g. a hard disk including all partitions. It could also called the "raw device". The disk normally does not need to be properly formatted in order to open it that way. Usually it is preferable to open a logical drive instead of a physical disk, because more features are provided in this case. For example, "clusters" are defined by the file system, the allocation of clusters to files (and vice versa) is known to WinHex, "free space" and "slack space" have a meaning. If you need to edit sectors outside a logical drive (e.g. the master boot record), if you wish to search something on several partitions of a hard disk at the same time, or if a partition is damaged or formatted with a file system unknown to Windows, so Windows is unable to make it accessible as a drive letter, you would open the physical disk instead. From the window that represents a physical medium you can usually also open individual partitions, by double-clicking them in the directory browser of that window. WinHex understands conventional MBR partitioning, GPT (GUID partition type), Apple partitioning, superfloppy format, and Windows dynamic disks as organized by the LDM (Logical Disk Manager). All dynamic volume types are supported: simple, spanned, striped, and RAID 5. Holding the Ctrl key when opening hard disks disables detection and special handling of dynamic volumes and ensures the hard disk is treated like it has been partitioned in the conventional way. Some of the aforementioned partitioning types are supported with specialist and forensic licenses only.

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