#!/bin/bash#AUTHOR:kiki#DATE:20141115#PURPOSE:be used to monitor file system.fsvalue=80dfwork="/tmp/dfwork">$dfworkdf |tail -n +2 |awk ‘{print $1,$5,$6}‘|grep -v "/dev/sr[0-9]" >$dfworkwhile read fsdev fspct fssysdofspct=`echo $fspct|sed s/\%//g`    if [ $fspct -gt $fsvalue ]    then       echo "$fsdev mounted on $fssys is $fspct%" |mail root    fidone < $dfwork