du -hcs *
9.6M	bin
20M	boot
8.0K	dev
7.3M	etc
388K	home
0	initrd.img
60M	lib
4.0K	lib64
16K	lost+found
4.0K	media
4.0K	mnt
185M	opt
du: cannot access ‘proc/6737’: No such file or directory
du: cannot access ‘proc/6822/task/6822/fd/4’: No such file or directory
du: cannot access ‘proc/6822/task/6822/fdinfo/4’: No such file or directory
du: cannot access ‘proc/6822/fd/4’: No such file or directory
du: cannot access ‘proc/6822/fdinfo/4’: No such file or directory
0	proc
132K	root
240K	run
9.4M	sbin
162M	srv
0	sys
1.9M	tmp
947M	usr
6.2G	var
0	vmlinuz
7.6G	total