df

disc使用量表示

$ df                                                                 [13:49:11]
Filesystem                        512-blocks      Used Available Capacity  iused    ifree %iused  Mounted on
/dev/disk1                         487900168 328415712 158972456    68% 41115962 19871557   67%   /
devfs                                    369       369         0   100%      639        0  100%   /dev
map -hosts                                 0         0         0   100%        0        0  100%   /net
map auto_home                              0         0         0   100%        0        0  100%   /home
localhost:/7ZIjAuhzunDLbJweMxFmSa  487900168 487900168         0   100%        0        0  100%   /Volumes/MobileBackups