See size of your top 10 largest files and folders.

bigfiles.sh

#!/bin/bash

## Takes path as argument ($1) or uses current path instead (.) if no argument given.
path="${1:-.}"

## Gets size for items in path and reports the top 10 files and folders.
du -sh ${path}/* | sort -rh | head -n ${2:-10}

Evgeny uses the following:

# Use this command in your home dir to locate large files:
find . -type f -size +10G | xargs -I {} ls -sh {}