Command for sending messages in Linux

Command 1 for sending messages in Linux, wall'... 'Wall is used to send messages to all users. The message content is included in. 2. write userName tty first use the who command to view online users and their tty, and then use the write command to send messages to them. After Entering the command, the message mode is started. At this time, enter the message content, press enter to send the message. Exit and press ctrl + D. 3. If mesg does not want to accept the message written by other users, use mesg-n to disable it and enable it again as mesg-y. This article is from the Linux community.