Linux mesg command
Linux Command ReferenceThe Linux mesg command is used to set the write permission of the terminal.
When mesg is set to y, other users can use the write command to display messages directly on your screen.
Syntax
mesg [ny]
Parameters：
- n Disallow other users from displaying messages directly on your screen.
- y Allow other users to display messages directly on your screen.
Examples
Allow other users to send messages to the current terminal.
root's terminal
# mesg y //在这个终端设置允许发送消息
Other regular users' terminal:
$ write root pts/4 hello hello EOF //Ctrl+D 结束输入
root's terminal - terminal display
# Message from root@w3cschool.cc (as hnlinux) on pts/5 at 14:48 ... hello EOFOther extensions