blkid - locate/print block device attributes
To display all the block devices
$ sudo blkid
To display the I/O limits on a particular block device
$ sudo blkid -i /dev/vda1
To displays information about /dev/vda1
$ sudo blkid -p /dev/vda1
$ sudo blkid -pi /dev/vda1
To look up the devices that matches a specific search criteria
$ sudo blkid -l -t TYPE=ext4
$ sudo blkid -l -t TYPE=swap
search based on UUID
$ sudo blkid -U 02a5af55-4c2a-45b7-9876-599abc192ada
To display in list format
$ sudo blkid -o list
regards,
T.Dhanasekar
