Gerdesas

#!/bin/shtypeset -i total; let total=0typeset -i free; let free=0typeset -i inuse; let inuse=0set -- $(grep ^SwapTotal /proc/meminfo)total=$2set -- $(grep ^SwapFree /proc/meminfo)free=$2inuse=$((total-free))echo "total: ${total}"echo "free : ${free}"echo "inuse: ${inuse}"