カレントディレクトリにあるディレクトリを容量の小さい順にソート
$ du -d 1 | sort -n 8 ./.emacs.d 16 ./Public 24 ./.w3m 24 ./.zcompcache 72 ./Sites 80 ./cpan 264 ./.Trash 744 ./.dvdcss 960 ./lisp 2128 ./vosgym 8064 ./RandomApp 9872 ./cvs 17072 ./dev 18104 ./.cpan 37000 ./Documents 116184 ./Pictures 119848 ./Darwin 636408 ./package 15301416 ./Library 29406336 ./Music 34575272 ./Movies 50933088 ./Desktop 131183624 .