Disk Commands

dd Linux Command

Copies and converts raw data at the block level (disk cloning, bootable USB creation).

What does dd do?

Copies and converts raw data at the block level (disk cloning, bootable USB creation).

dd if=input of=output [options]

sudo dd if=kali.iso of=/dev/sdb bs=4M status=progress

Checks and optionally repairs a filesystem for errors.

Displays block device attributes including UUID and filesystem type.

Creates a filesystem (formats) on a disk partition.

Disk partitioning tool (supports GPT and MBR partition tables).

Unmounts a filesystem (detaches a mounted device from the directory tree).

Interactive disk usage analyzer with a terminal UI (ncurses-based).