Linux显示邮件状态等信息

youhaidong@youhaidong-ThinkPad-Edge-E545:~$ finger -l
Login: youhaidong     			Name: youhaidong
Directory: /home/youhaidong         	Shell: /bin/bash
On since Sun Mar  8 22:10 (CST) on :0 from :0 (messages off)
On since Sun Mar  8 22:15 (CST) on pts/0 from :0
   1 second idle
No mail.
No Plan.
youhaidong@youhaidong-ThinkPad-Edge-E545:~$