blkid Command - Locate/Print Block Device Attributes

The blkid command is used to locate and print block device attributes, such as UUID, filesystem type, and label. It is useful for identifying disks and partitions.

Syntax

blkid [options] [device]

Examples

blkid

blkid /dev/sda1

Notes

• Requires root privileges for some devices.
• Useful for scripting and fstab configuration.
• Alternative: lsblk -f also shows filesystem info.