Check File System Disk Space Usage : df
Display Information of all File System Disk Space Usage : df -a
Show Disk Space Usage in Human Readable Format : df -h
Display Information of /home File System : df -hT /home
Display Information of File System in Bytes : df -k
Display Information of File System in MB : df -m
Display Information of File System in GB : df -h
Display File System Inodes : df -i
Display File System : df -T
Include Certain File System : df -t ext
Exclude Certain File System : df -x ext
Display Information of df Command: df --help