Disk Commands

blkid Linux Command

Displays block device attributes including UUID and filesystem type.

What does blkid do?

Displays block device attributes including UUID and filesystem type.

blkid [device]

sudo blkid /dev/sda1

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

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

Checks and optionally repairs a filesystem for errors.

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

Creates a filesystem (formats) on a disk partition.

Reports disk space usage for all mounted filesystems (human-readable with -h).