我用du看子目录大小，但是如果加-h参数，出来的就是带单位的那种，不能用sort排序
不加-h是对的
# sudo du |sort -n -r 28692 . 12980 ./installer 11640 ./installer/cdebconf 2784 ./samba 68 ./apt 12 ./samba/cores 12 ./fsck 4 ./unattended-upgrades 4 ./samba/cores/smbd 4 ./samba/cores/nmbd 4 ./news 4 ./mysql 4 ./landscape 4 ./dist-upgrade 4 ./apparmor
加了-h参数就是郁闷的。。。
# sudo du -h |sort -n -r 68K ./apt 29M . 13M ./installer 12M ./installer/cdebconf 12K ./samba/cores 12K ./fsck 4.0K ./unattended-upgrades 4.0K ./samba/cores/smbd 4.0K ./samba/cores/nmbd 4.0K ./news 4.0K ./mysql 4.0K ./landscape 4.0K ./dist-upgrade 4.0K ./apparmor 2.8M ./samba
把sort的-n换成-h