Delete to delete the logical and physical differences between
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Users questions: Logical and physical problems such as the difference between delete the more detailed the better ...
Experts answer: "Physical delete" is a computerized data concept. And physical delete the corresponding logical delete. Logic is the right to delete the data you want to delete a delete tag marked, logically, the data is deleted, But the data itself still exists! The physical delete the data from the media is completely removed. Such as disk files deleted in the delete operation, only the FAT file allocation table to do a delete tag, but the disk sectors in the file data still exist, this is the logic to delete! The physical deleted, Some software used in the deletion of some specific algorithm, repeatedly delete the file where the read and write sectors to achieve the objective of completely deleted. The written document, the sector distribution is random. Logic is easy to restore deleted files, but it is difficult to restore the physical deleted!
Experts answer: "Physical delete" is a computerized data concept. And physical delete the corresponding logical delete. Logic is the right to delete the data you want to delete a delete tag marked, logically, the data is deleted, But the data itself still exists! The physical delete the data from the media is completely removed. Such as disk files deleted in the delete operation, only the FAT file allocation table to do a delete tag, but the disk sectors in the file data still exist, this is the logic to delete! The physical deleted, Some software used in the deletion of some specific algorithm, repeatedly delete the file where the read and write sectors to achieve the objective of completely deleted. The written document, the sector distribution is random. Logic is easy to restore deleted files, but it is difficult to restore the physical deleted!
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