disk management

1 Nov 2024

Creating Disk Byte Copies Using `dd`

In the world of DevOps and system administration, managing disk images and creating backups is a critical task. One of the most powerful and versatile tools available for this purpose on Unix-like systems is the dd command. This utility is often referred to as the “data duplicator” and is used for low-level copying and conversion of raw data. In this article, we’ll explore how to use dd to create byte-for-byte copies of disks, which can be invaluable for backup, cloning, and recovery operations.