命令
wall
描述
send a message to everybody’s terminal
发送消息到所有登录终端
用法
选项
无
注意
所有登录终端均可以看到该消息,可用于发送警告信息
示例
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| $ wall 'The system will shutdown!' Broadcast message from root@node1 (pts/0) (Sat Mar 20 20:51:00 2021):
The system will shutdown!
$ wall -n 'The system will shutdown!' Remote broadcast message (Sat Mar 20 20:51:34 2021):
The system will shutdown!
$ wall 'Please wait 5 minutes!' Broadcast message from usera@node1 (pts/1) (Sat Mar 20 20:54:54 2021):
Please wait 5 minutes!
$ wall 'ok' Broadcast message from root@node1 (pts/0) (Sat Mar 20 20:55:22 2021):
ok
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