# Show free and used space on mounted filesystems
df -h
# Show free and used inodes on mounted filesystems
df -i
# Shows the file system’s complete disk usage even if the Available field is 0
df -a
# Display disks partitions sizes and types
fdisk -l
# Display disk usage for all files and directories in human readable format
du -ah
# Display total disk usage off the current directory
du -sh
# Shows the disk usage along with each block’s filesystem type (e.g., xfs, ext2, etc.)
df -T