delorimier:/# df -k

Filesystem           1k-blocks      Used Available Use% Mounted on
/dev/hda4              1865860   1545220    225860  88% /
/dev/hda1                23302      3803     18296  18% /boot

Usage: df [OPTION]... [FILE]...
Show information about the filesystem on which each FILE resides,
or all filesystems by default.

  -a, --all             include filesystems having 0 blocks
      --block-size=SIZE use SIZE-byte blocks
  -h, --human-readable  print sizes in human readable format (e.g., 1K 234M 2G)
  -H, --si              likewise, but use powers of 1000 not 1024
  -i, --inodes          list inode information instead of block usage
  -k, --kilobytes       like --block-size=1024
  -l, --local           limit listing to local filesystems
  -m, --megabytes       like --block-size=1048576
      --no-sync         do not invoke sync before getting usage info (default)
  -P, --portability     use the POSIX output format
      --sync            invoke sync before getting usage info
  -t, --type=TYPE       limit listing to filesystems of type TYPE
  -T, --print-type      print filesystem type
  -x, --exclude-type=TYPE   limit listing to filesystems not of type TYPE
  -v                    (ignored)
      --help            display this help and exit
      --version         output version information and exit