Find large files
From James's Wiki
This is useful if your drive is filling up with large log files
run in bash:
find {/path/to/directory} -type f -size +{file-size-in-kb}k -exec ls -lh {} \; | awk '{ print $8 ": " $5 }'
sudo find /var -type f -size +5000k -exec ls -lh {} \; | awk '{ print $8 ": " $5 }'