Disk size utilities

Compare size of two directories in human-readable format

du -sh /dir_one /dir_two

View total capacity and space used

df -h /media/samsung-T7 # add more to compare if you like

# Filesystem              Size  Used Avail Use% Mounted on
# /dev/mapper/samsung-T7  916G   67G  850G   8% /media/samsung-T7