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#!/bin/bash
ALL_MEMORY = $( sysctl hw.memsize | awk '{print $2}' ) ;
ALL_MEMORY = $(( $ALL_MEMORY / 1048576 )) ;
SWAP = $( sysctl vm.swapusage | awk '{print $7}' | sed 's/M//' ) ;
FREE_BLOCKS = $( vm_stat | grep free | awk '{ print $3 }' | sed 's/\.//' )
INACTIVE_BLOCKS = $( vm_stat | grep inactive | awk '{ print $3 }' | sed 's/\.//' )
SPECULATIVE_BLOCKS = $( vm_stat | grep speculative | awk '{ print $3 }' | sed 's/\.//' )
FREE = $(( ( $FREE_BLOCKS + SPECULATIVE_BLOCKS) * 4096 / 1048576 ))
INACTIVE = $(( $INACTIVE_BLOCKS * 4096 / 1048576 ))
TOTAL = $(( ( $FREE + $INACTIVE )) )
echo В с е г о $ALL_MEMORY MB
echo Свободно: $FREE MB
echo Своп: $SWAP MB
