blkid

Locate/print block device attributes.

$ blkid

Block device(s)

Output format (-o)

Default

Full

Value

Device only

Export

JSON

Filter by tag (-s)

Examples

# Show all devices
blkid

# Show specific device
blkid /dev/sda1

# Look up by label
blkid -L MY_DISK

# Look up by UUID
blkid -U a1b2c3d4-...

# JSON output
blkid -o json

# Show only LABEL tag
blkid -s LABEL /dev/sda1