[skorm@theskorm] [/]>sudo du -d 1
Password:
2       ./.snap
2       ./dev
1658    ./etc
2       ./cdrom
900     ./bin
22574   ./boot
3254    ./lib
136     ./libexec
2       ./mnt
2       ./proc
3230    ./rescue
538     ./root
3472    ./sbin
32      ./tmp
928064  ./usr
32916   ./var
996808  .
[skorm@theskorm] [/]>