add hungbysh script

research/hungbysh.sh

+#!/bin/sh
+
+A=
+echo "Preparing 12Mb var..."
+for a in $(seq 0 9) ; do
+    A="$A$A$A$A$A$A$a"
+    echo -n "$a "
+done
+
+echo ": Size of the var: $(echo "$A" | wc -c)"
+echo "Internal copying (upto 100Mb)..."
+B=$A
+C=$A
+D=$A
+E=$A
+F=$A
+G=$A
+H=$A
+
+free -t
+# run next copy
+# stop when will freeze due swap
+timeout --foreground 60 $0