Clear swap space and move to RAM

#!/bin/sh

mem=$(LC_ALL=C free  | awk '/Mem:/ {print $4}')
swap=$(LC_ALL=C free | awk '/Swap:/ {print $3}')

if [ $mem -lt $swap ]; then
    echo "ERROR: not enough RAM to write swap back, nothing done" >&2
    exit 1
fi

swapoff -a && 
swapon -a

 

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