Linux 取得内存利用率, 百分比

    1. free  -m | grep "Mem" | awk '{print "scale=2;" $3"/"$2"*100"}' | bc
    1. [root@KuaiCDN ~]# 
    2. [root@KuaiCDN ~]# free  -m | grep "Mem" | awk '{print "scale=2;" $3"/"$2"*100"}' | bc
    3. 62.00
    4. [root@KuaiCDN ~]#