Destroy your disk space and "emerge all"

emergeall.sh (text/plain), 100 bytes, created by Lisa Seelye (RETIRED) on 2003-07-26 19:16:52 UTC

#!/bin/bash
cd /usr/portage
for j in *-*
do
	cd $j
	for i in *
	do
		emerge "${j}-${i}"
	done
done