Linux Nibbles Number 1

Where has all my disk space gone on my linux box?

login as root and "du -x / | sort -n | tail -10"

My home linux example on my debian lenny (5.0) server (running under virtualbox)

du -x / | sort -n | tail -10

89656 /usr/local/webmin

89704 /usr/local

140544 /var/cache/apt/archives

140776 /tmp

159692 /var/cache/apt

165380 /var/cache

190484 /usr/share

248276 /var

395552 /usr

890608 /