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       .