mesg command in Linux is used to control the write permissions for the current terminal. It is a simple command that allows users to enable or disable write permissions for other users trying to send messages to them.
mesg command is used to set the write permissions for the current terminal. When a user logs into a terminal session, they are assigned a terminal device file, such as
/dev/pts/0. Other users can send messages to this terminal using the
write command, but only if the receiving user has enabled write permissions using the
To enable write permissions, simply type
mesg y in the terminal. This will allow other users to send messages to your terminal. To disable write permissions, type
Here are some examples of how to use the
- To enable write permissions:
- To disable write permissions:
- In a multi-user environment, users can use the
mesgcommand to control who can send messages to their terminal.
- System administrators can use the
mesgcommand to disable write permissions for users who are not authorized to receive messages.
mesg command has the following options:
||Enables write permissions for the current terminal.|
||Disables write permissions for the current terminal.|
||Displays help information for the
||Displays the version number of the
- If you are not able to receive messages even though you have enabled write permissions using the
mesgcommand, make sure that the other user is using the correct terminal device file to send the message.
- If you are still having issues, try logging out and logging back in to reset your terminal session.
mesgcommand only controls write permissions for the current terminal session. If you log out and log back in, you will need to use the
mesgcommand again to enable write permissions.
mesgcommand only controls write permissions for other users trying to send messages to your terminal. It does not affect your ability to send messages to other users.