Linux统计根分区使用率

 1 #!/bin/bash
 2
 3 # 统计根分区使用率
 4 # 作者: shaohsiung
 5 # 时间: 2018/11/19
 6
 7 rate=$(df -h | grep "dev/sda3" | awk ‘{print $5}‘ | cut -d "%" -f1)
 8
 9 if [ $rate -ge 80 ]
10     then
11         echo "Root partition usage exceeds 80%, mail has been sent to the administrator..."
12 fi

原文地址：https://www.cnblogs.com/shaohsiung/p/9984588.html