// 查看邮件
[root@wode012 script]# mail
Heirloom Mail version 12.5 7/5/10. Type ? for help.
"/var/spool/mail/root": 2 messages
> 1 (Cron Daemon) Sat Aug 1 06:01 28/1027 "Cron <root@wode012> /"
2 (Cron Daemon) Sat Aug 1 13:25 26/917 "Cron <root@wode012> /"
&
// 帮助
& ?
mail commands
type <message list> type messages
next goto and type next message
from <message list> give head lines of messages
headers print out active message headers
delete <message list> delete messages
undelete <message list> undelete messages
save <message list> folder append messages to folder and mark as saved
copy <message list> folder append messages to folder without marking them
write <message list> file append message texts to file, save attachments
preserve <message list> keep incoming messages in mailbox even if saved
Reply <message list> reply to message senders
reply <message list> reply to message senders and all recipients
mail addresses mail to specific recipients
file folder change to another folder
quit quit and apply changes to folder
xit quit and discard changes made to folder
! shell escape
cd <directory> chdir to directory or home if none given
list list names of all available commands
A <message list> consists of integers, ranges of same, or other criteria
separated by spaces. If omitted, mail uses the last message typed.
&
// 删除邮件
& delete 1-2
原文：http://huangchao.blog.51cto.com/10446378/1680792