When we delete files from the hard disk, Windows system simply marks the file as deleted, but in fact the file still exists, using some tools, such as soft media The data recovery tool in Rubik's Cube can easily recover the data until the location where the file is stored on the hard disk is covered by other data to ensure that the file is not restored.
If you delete a file involving personal privacy, people worry about the data is restored, then the how Do it? The method is very simple, please see below.
This feature is available in Windows XP, Win7, Win8.1, Win10. The system comes with a command line tool called cipher. Its purpose is to encrypt files using the EFS encrypted file system. However, this tool also has an additional feature that can be used to erase the remaining space on the hard disk to safely delete deleted files contained in the remaining space. The tool is very simple to use.
Erase all remaining space on the hard drive:
1. Enter CMD in the Start menu or Taskbar search box, find the command prompt in the search results, right click, select as administrator Identity running.
2. Enter the following command at the command prompt and press Enter: cipher /w:C
The last letter"C” represents the partition letter, as needed Modify it. After that, you only need to wait patiently, as shown below:
To erase data, the tool will perform three tasks in sequence: first, cover the remaining space with 0x00, and then cover the remaining space with data 0xFF. Finally, use random data for erasing. It takes some time to complete the whole process, depending on the amount of free space on the hard disk.
How is it, is it very simple?
Smashing a single file:
In addition, if your file has not been deleted, you can use the file master in the soft media cube to smash it. The file master will also Use a random, blank, etc. data to erase the file, which is more efficient when you need to erase a single file. As shown below:
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