个人笔记：LINUX下MAIL通知维护

在 linux 中输入 mail， 就进入了收件箱。

d
删除当前邮件，指针并下移。

d 3
删除编号为 3 的邮件。

d 1-100
删除编号第 1 到 100 封邮件。

退出的时候需要注意，一定要用 q 命令来保存之前的操作。

q 
退出mail命令平台,保存之前的操作，比如删除已用d删除的邮件，已阅读邮件会转存到当前用户家目录下的mbox文件中。如果在mbox中删除文件才会彻底删除。

x 
退出mail命令平台，并不保存之前的操作，比如删除邮件

================================以下为实例=====================================
$ mail
Mail [5.2 UCB] [AIX 5.X]  Type ? for help.
"/var/spool/mail/oracle": 38 messages 38 unread
>U  1 daemon            Sun Jan 30 16:22  32/953  "Output from cron job /home/o"
 U  2 daemon            Mon Jan 31 00:00  32/953  "Output from cron job /home/o"
 U  3 daemon            Tue Feb  1 00:00  32/951  "Output from cron job /home/o"
 U  4 daemon            Wed Feb  2 00:00  32/951  "Output from cron job /home/o"
 U  5 daemon            Thu Feb  3 00:00  32/951  "Output from cron job /home/o"
 U  6 daemon            Fri Feb  4 00:00  32/951  "Output from cron job /home/o"
 U  7 daemon            Sat Feb  5 00:00  32/951  "Output from cron job /home/o"
 U  8 daemon            Sun Feb  6 00:00  32/951  "Output from cron job /home/o"
 U  9 daemon            Mon Feb  7 00:00  32/951  "Output from cron job /home/o"
 U 10 daemon            Tue Feb  8 00:00  32/951  "Output from cron job /home/o"
 U 11 daemon            Wed Feb  9 00:00  32/951  "Output from cron job /home/o"
 U 12 daemon            Thu Feb 10 00:00  32/953  "Output from cron job /home/o"
 U 13 daemon            Fri Feb 11 00:00  32/953  "Output from cron job /home/o"
 U 14 daemon            Sat Feb 12 00:00  32/953  "Output from cron job /home/o"
 U 15 daemon            Sun Feb 13 00:00  32/953  "Output from cron job /home/o"
 U 16 daemon            Mon Feb 14 00:00  32/953  "Output from cron job /home/o"
 U 17 daemon            Tue Feb 15 00:00  32/953  "Output from cron job /home/o"
 U 18 daemon            Wed Feb 16 00:00  32/953  "Output from cron job /home/o"
 U 19 daemon            Thu Feb 17 00:00  32/953  "Output from cron job /home/o"
 U 20 daemon            Fri Feb 18 00:00  32/953  "Output from cron job /home/o"
 U 21 daemon            Sat Feb 19 00:00  32/953  "Output from cron job /home/o"
 U 22 daemon            Sun Feb 20 00:00  32/953  "Output from cron job /home/o"
 U 23 daemon            Mon Feb 21 00:00  32/953  "Output from cron job /home/o"
 U 24 daemon            Tue Feb 22 00:00  32/953  "Output from cron job /home/o"
 U 25 daemon            Wed Feb 23 00:00  32/953  "Output from cron job /home/o"
 U 26 daemon            Thu Feb 24 00:00  32/953  "Output from cron job /home/o"
 U 27 daemon            Fri Feb 25 00:00  32/953  "Output from cron job /home/o"
 U 28 daemon            Sat Feb 26 00:00  32/953  "Output from cron job /home/o"
 U 29 daemon            Sun Feb 27 00:00  32/953  "Output from cron job /home/o"
 U 30 daemon            Mon Feb 28 00:00  32/953  "Output from cron job /home/o"
 U 31 daemon            Tue Mar  1 00:00  32/951  "Output from cron job /home/o"
 U 32 daemon            Wed Mar  2 00:00  32/951  "Output from cron job /home/o"
 U 33 daemon            Thu Mar  3 00:00  32/951  "Output from cron job /home/o"
 U 34 daemon            Fri Mar  4 00:00  32/951  "Output from cron job /home/o"
 U 35 daemon            Sat Mar  5 00:00  32/953  "Output from cron job /home/o"
 U 36 daemon            Sun Mar  6 00:00  32/951  "Output from cron job /home/o"
 U 37 daemon            Mon Mar  7 00:00  32/951  "Output from cron job /home/o"
 U 38 daemon            Tue Mar  8 00:00  32/951  "Output from cron job /home/o"
? d 1-38
? q
$ df -g

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