Deleting All On DIsk?

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Hello Everyone, I just downloaded bleach bit onto my flash drive and I want to delete Everything on my Old Computer before getting rid of it. Exactly how can I do this? Thank you

If you want to delete everything including all software and the operating system, please consider a tool like DBAN. When using DBAN, I suggest cleaning with one pass, and also clean the remapped sectors.

While a method like DBAN is more thorough from the point of view of security and privacy, it can be less convenient because: until an operating system is re-installed, the computer will not start.

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Andrew, lead developer

What does Bleach Bit erase, will it completely erase the hard drive? Thats what i really care about, software etc not important! Thanks

Normally BleachBit takes a surgical approach that does not delete everything, and it does not software. Please see my earlier comment.

In case the information is very sensitive please also consider physical destruction of the hard drive.

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Andrew, lead developer