I thought this was nifty: https://plus.google.com/+CybercitiBiz/posts/M35xwuzfvcM Want to list top 10 largest open files on a Linux or Unix like system? Try: lsof / | awk '{ if($7 > 1048576) print $7/1048576 "MB" " " $9 " " $1 }' | sort -n -u | tail