SDelete is a free utility designed in command way by Microsoft, it can permanently wipe single files or folders, and it also wipes free space, which is the space can be created from deleting files. Standard of erasing methods SDelete using is DoD 5220.22 – M (Department of Defense Standard). here is the screenshot of it and its syntax listed:
How to use SDelete?
D:\>cd tools/sdelete/ D:\Tools\SDelete>sdelete64.exe SDelete v2.0 - Secure file delete Copyright (C) 1999-2016 Mark Russinovich Sysinternals - www.sysinternals.com usage: sdelete [-p passes] [-r] [-s] [-q]
[...] sdelete [-p passes] [-z|-c [percent free]] sdelete [-p passes] [-z|-c] -c Clean free space. Specify an option amount of space to leave free for use by a running system. -p Specifies number of overwrite passes (default is 1) -r Remove Read-Only attribute -s Recurse subdirectories -z Zero free space (good for virtual disk optimization) -nobanner Do not display the startup banner and copyright message. Disks must not have any volumes in order to be cleaned. D:\Tools\SDelete>
SDelete Alternative – ByebyeData Eraser
In addition to securely erasing files, folders and free space on the disk, ByebyeData Eraser is able to erase Disks and Drives, not free space in them, but the entire disk/drive to erase. Not only DoD 5220.22-M standard build into ByebyeData Eraser, but 10 more well-known data sanitization standards are programed in it.
Screenshot guide on:
How to erase Disks/Drives in ByebyeData Eraser?
- Download this program and run it.
- Click Erase Disks or Erase Drives and click the target you want to erase.
NOTE: If you mean to erase system disk, please click Bootable Media first, and insert a blank CD to make ByebyeData Eraser bootable. And then system can be erased clean from the disc.
- Choose one erasing standard from the Security list.
- Click the Erase Now button and confirm it.