https://sanjayregmi.com/tags/dd/ Recent content in Dd on SANJAY REGMI Hugo -- gohugo.io en Tue, 03 Nov 2026 12:00:00 -0800 https://sanjayregmi.com/posts/wiping-a-mac-with-zero-filling/ Tue, 03 Nov 2026 12:00:00 -0800 https://sanjayregmi.com/posts/wiping-a-mac-with-zero-filling/ <p>Say you have an iMac from 2018–2019 with an Intel processor, and you have to make sure that none of your data is left when you give it away. One way to do this is to boot into Recovery (<code>CMD + R</code>), format the volume, naming it <code>X</code>, then open Terminal and run <code>dd</code> to zero-fill the available space with something like this:</p>