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#!/bin/sh 
mem=`free -m | awk ‘NR==2{print $2}‘` 
ps aux  | sort -k 4 -r | awk ‘$4 ~ /^[0-9]/ && $4>0 {print $4,$11}‘ | awk ‘{print $1/100*mem"   "$2}‘ mem=$mem | sort -k 2 | awk ‘ 
{ 
   a[$2] += $1; 
   b[$2]++; 
   total += $1; 
   total++; 
} 
END{ 
  for(i in a){ 
    t=i; 
    gsub(/:|.*\//, "", t); 
    printf "%10s   %s\n" ,a[i]"MB", t"["b[i]"]"; 
  } 
print "Memory Total: "mem"MB, used: "total"MB, free: "mem-total"MB." 
}‘ mem=$mem | sort -n -r 

*查看进程所消耗的内存*