Simple overwrite methods: 1 pass
We have 3 kinds of simple overwrite methods in ByebyeData Eraser, they are:
- 1. Zeros.
- 2. Ones.
- 3. Pseudo-random.
Write Zeros: is to zero filling all the sectors in 1 pass method.
Write Ones: is much more like write zeros, but it is one filling instead of zero.
Pseudo-random: is to write random character on a hard drive or other storage device.
Simple overwrite methods are enough to keep data safe when you want to reinstall Windows, donate or selling the computer. it is hard to recovery them by free data recovery software. And 1-pass overwrite methods are the fastest way to sanitize data and make disk clean again.
Not sure about that? HTG shared in the page that
You Only Need to Wipe a Disk Once to Securely Erase It . Check this out：
You've probably heard that you need to overwrite a drive multiple times to make the data unrecoverable. Many disk-wiping utilities offer multiple-pass wipes. This is an urban legend – you only need to wipe a drive once.
How to apply simple 1-pass overwrite?
Run ByebyeData Eraser and click the function you want to use from Erase files and folders, Erase free space, Erase drive and Erase disk, and in the security column, click one pass overwrite under title: Simple overwrite.
But if you're the administrator of company server computers and your boss asked you to do multipass overwrite, check on our guide page on advanced overwrite, complex overwrite or very complex overwrite.