OptionsOn df itself
-b-P
Use 512-byte blocks (default)
-g
Use 1073741824-byte (1-Gbyte) blocks
-m
Use 1048576-byte (1-Mbyte) blocks
-k
Use 1024-byte (1-Kbyte) blocks
-H
"Human-readable" output, uses base 10 unit suffixes
-h
"Human-readable" output, uses base 2 unit suffixes
-i
Include the number of free inodes
-l
Only display information about locally-mounted filesystems
-n
Print out the previously obtained statistics
-T
Only print out statistics for filesystems of the specified types (comma separated) <filesystem>
