Top 10 Folders system-wide
du / 2>/dev/null|sort -n|numfmt --to=iec --from-unit=1024 |tail -n 10
126M /var/lib/mysql194M /usr/bin221M /var/www/html221M /var/www255M /var/lib282M /usr/lib298M /usr/share591M /var909M /usr2.9G /
126M /var/lib/mysql
194M /usr/bin
221M /var/www/html
221M /var/www
255M /var/lib
282M /usr/lib
298M /usr/share
591M /var
909M /usr
2.9G /
Same command with reverse output
du / 2>/dev/null|sort -rn|numfmt --to=iec --from-unit=1024 |head -n 10
2.9G /909M /usr591M /var298M /usr/share282M /usr/lib255M /var/lib221M /var/www221M /var/www/html194M /usr/bin126M /var/lib/mysql