mail查看和清空

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在操作Linux命令时，时常出现以下这样一句话

You have mail in /var/spool/mail/root

这个是提示有最新的邮件，你可以使用mail命令阅读

- bash -4.1 # mail
Heirloom Mail version 12.4 7 /29/08 .  Type ? for help.
"/var/spool/mail/root" : 383 messages 381 unread
    1 user@localhost. local  Tue Apr 10 20:09 183 /7743  "[abrt] full crash report"
>U  2 user@localhost. local  Tue Apr 10 20:15 183 /7730  "[abrt] full crash report"
 U  3 user@localhost. local  Tue Apr 10 20:20 183 /7730  "[abrt] full crash report"
 U  4 user@localhost. local  Tue Apr 10 20:22 183 /7730  "[abrt] full crash report"

然后使用n 编号查看相应邮件，如查看编号为4的邮件

& n 4
Message  4:
From [email protected]  Tue Apr 10 20:22:07 2012
Return-Path:
X-Original-To: root@localhost
Delivered-To: [email protected]
Date: Tue, 10 Apr 2012 20:22:07 +0000
From: [email protected]
To: [email protected]
Subject: [abrt] full crash report
User-Agent: Heirloom mailx 12.4 7 /29/08
Content-Type: text /plain ; charset=us-ascii
Status: RO

Duplicate check

使用q键退出mail系统

& q
Held 384 messages in /var/spool/mail/root
You have mail in /var/spool/mail/root
- bash -4.1 #

当然，里边都是一些无关紧要的邮件，我们也可以清空，清空很简单，只需要进入/var/spool/mail就好

- bash -4.1 # cd /var/spool/mail/

列出了所有用户的邮件

total 14560
-rw-rw---- 1 li** mail     6774 May 18 17:17 lizhong8532
-rw-rw---- 1 mysql       mail        0 Apr 23 16:58 mysql
-rw------- 1 root        mail 14880366 Jul 26 13:50 root
-rw-rw---- 1 www         mail        0 Apr 23 18:23 www

删除邮件，比如删除root的邮件，只需要写空就好，最好别删除，否则容易出错

- bash -4.1 # echo ''>root
You have mail in /var/spool/mail/root
- bash -4.1 # ll
total 12
-rw-rw---- 1 li** mail 6774 May 18 17:17 lizhong8532
-rw-rw---- 1 mysql       mail    0 Apr 23 16:58 mysql
-rw------- 1 root        mail    0 Jul 26 13:54 root
-rw-rw---- 1 www         mail    0 Apr 23 18:23 www

这样即可删除烦人的邮件提示了，虽然执行echo ''>root命令会提示You have mail in /var/spool/mail/root但实际上邮件内容已经清空，当root文件发生改动，一律都提示You have mail in /var/spool/mail/root

转自http://www.qttc.net/201207145.html