linux下收集系统硬盘，内存使用情况以定时邮件方式发给root的一个脚本

#!/bin/sh
#program:
#2013/06/28 pang first
#into mail rootfor system info

/bin/date +%F >> /tmp/systeminfo
echo "disk info:" >> /tmp/systeminfo
/bin/df -Th >> /tmp/systeminfo
echo "online user:" >> /tmp/systeminfo
/usr/bin/who >> /tmp/systeminfo
echo >> /tmp/systeminfo
echo "memory info:" >> /tmp/systeminfo
/usr/bin/free -m >> /tmp/systeminfo
echo >> /tmp/systeminfo

#write root
/usr/bin/write root < /tmp/systeminfo && /bin/rm -rf /tmp/systeminfo
crontab -e
0 9 * * * 1-7 script
此脚本是按照李明老师linux课程所学习。