Send message communication between users on Linux

Lenovo: SCP command

1. Use the Write command to send a message to the specified user:
Users can use the Write command to send messages to other online users. Format:

$write Zhangsan

Hello World//communication content

Press Ctrl+d to send the consumer interest to Zhangsan.
In the shell prompt symbol input write,username refers to the user name that accepts the sending information. If a user logs on to the system multiple times, the TTY parameter specifies the terminal to send. A precondition for sending information using write is that the user is already logged on to the system.

You can use the who command to query the login user name . You can then enter the information you want to send. When the input is complete, type EOF to indicate the end of the message, and use the Crtl+d key combination to send the message . The input appears on the user's screen while communication is aborted.
If you can use the Write command on a network to add a host name or domain name after username, establish network traffic. If you want to communicate with the Wanglun user on the 192.168.1.125 host, use the command:

write [email protected]

Hello World//communication content

Then press Ctrl+d to send the information to the Wanglun user on the host 192.168.1.125.

2. Use the wall command to send information to all users in the system:

If you want to send a message to all users in the system, you can use the Wall command,wall: Writeall. Enter wall, and then edit the information if shell support can be used in Chinese. Then use the Crtl+d key combination to send the message. This will cause the system to receive information for all logged-in users ' desktops.

If you are on a network, you can use the Rwall command to send information to all users on the LAN.

3. Use the talk command to implement a conversation with another user:
The talk command enables two-way conversations with another logged-on system user. The system administrator enters information, and users can enter their own information. Both sides can see the screen information when communicating. Format:
Talk username

HelloWorld//Communication content

4, using the MESG command, you can turn off and turn on other users to send their own information : (and write use)
Users can prevent other users from sending themselves messages to interrupt work,

Use the mesg n command to disable other users from sending messages. use MESG y order to allow other users to send themselves messages

Send message communication between users on Linux