写一个脚本，检测硬盘的使用情况：
#!/bin/bash
today=`date +%F`
today1=`date +%H:%M:%S`
echo "$today1">> ${today}.log
df >> ${today}.log
echo ".................................................." >> ${today}.log本文出自 “dayAndNight” 博客，请务必保留此出处http://hellocjq.blog.51cto.com/11336969/1902080
原文：http://hellocjq.blog.51cto.com/11336969/1902080