#!/bin/bash -x

# Create an ad hoc 1 GB extra swap space in Linux without reboots.  
# Run as root in a suitable place. Double-check manually whether it works!
#
# 2003-03-04, LTu

FILE=swapfile.$RANDOM

dd if=/dev/zero of=$FILE bs=1024k count=1024
mkswap $FILE
swapon $FILE
swapon -s
free