lsblk(8) - list block devices
-a, --all
       List all block devices.
-b, --bytes
       Print the SIZE column in bytes rather than in human-readable format.
-d, --nodeps
       Don't  print  device  holders or slaves.  For example "lsblk --nodeps /dev/sda" prints information
       about the sda device only.
-D, --discard
       Print information about the discard (TRIM, UNMAP) capabilities for each device.
-e, --exclude list
       Exclude the devices specified by a comma-separated list of major device numbers.   Note  that  RAM
       disks (major=1) are excluded by default.
-f, --fs
       Output  info  about  filesystems.  This option is equivalent to "-o NAME,FSTYPE,LABEL,MOUNTPOINT".
       The authoritative information about filesystems and raids is provided by the blkid(8) command.
-h, --help
       Print a help text and exit.
-i, --ascii
       Use ASCII characters for tree formatting.
-m, --perms
       Output  info  about  device  owner,  group  and  mode.   This  option   is   equivalent   to   "-o
-l, --list
       Use the list output format.
-n, --noheadings
       Do not print a header line.
-o, --output list
       Specify which output columns to print.  Use --help to get a list of all supported columns.
-P, --pairs
       Use key="value" output format.
-r, --raw
       Use the raw output format.
-t, --topology
       Output  info  about  block  device topology.  This option is equivalent to "-o NAME,ALIGNMENT,MIN-