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#!/usr/bin/env bash

#swap file
cd /var;
touch swap.img;
chmod 600 swap.img;
dd if=/dev/zero of=/var/swap.img bs=1024k count=2000;
mkswap /var/swap.img;
swapon /var/swap.img;
echo "/var/swap.img    none    swap    sw    0    0" >> /etc/fstab;