lsblk, fdisk, parted, blkid.
We can use a little bit of AWK magic to parse the output of lsblk to list all the unmounted partitions :
$ lsblk --noheadings --raw | awk '$1~/s.*[[:digit:]]/ && $7==""'
sdb1 8:17 0 1.5G 0 part
sdb3 8:19 0 8.1G 0 part
sdb4 8:20 0 1K 0 part
sdb5 8:21 0 68.5G 0 part
sdb6 8:22 0 5.8G 0 partOr alternatively:
$ lsblk --noheadings --raw -o NAME,MOUNTPOINT | awk '$1~/[[:digit:]]/ && $2 == ""'
sdb1
sdb2
sdb3
sdb4
sdb5What exactly is happening here is that we're listing all the lines which have the first column starting with letter s (because that's how drives typically are named) and ending with a number (which represent partitions).
