设置计划任务cron

[root@server0 /]# crontab-e

no crontab for root - using an empty one

crontab: installing new crontab

[root@server0 /]# crontab-l

*/1* * * * echo " I love you Baby! "

[root@server0 /]#

Youhave new mail in /var/spool/mail/root

[root@server0 /]# tailvar/spool/mail/root

X-Cron-Env:<SHELL=/bin/sh>

X-Cron-Env:<HOME=/root>

X-Cron-Env:<PATH=/usr/bin:/bin>

X-Cron-Env:<LOGNAME=root>

X-Cron-Env:<USER=root>

Message-Id:<20151001095501.A830C199014@server0.example.com>

Date:Thu,  1 Oct 2015 17:55:01 +0800 (CST)

 I love you Baby!

[root@server0 /]#