Partition, format, and mount new HD

  
ls /dev/sd*

sudo fdisk /dev/sdX
    p (informative)
    n (new)
        p (primary)
            1 (partiton number)
             [enter] (accept default for 1st sector)
             [enter] (accept default for last sector)
     (when prompted if you want to remove a signature, say "yes")
     w (write)

sudo mkfs.ext4 /dev/sdX1

# verify
sudo file -sL /dev/sdX1


Samsung TV

  
1280 * 720

Mount external drive
Mounting external and USB

  
(It was automatic after I plugged it in)
lsblk (shows all attached block devices , whether or not they are mounted, plus mount points)
      (the external drive was automounted at /media/sean/<long identifier>) 

desc

  

desc