wall command in Linux

Linux is a multiuser system and as such there are occasions as system administrators we want to send a message to all logged-in users seamlessly, in this case, we use the wall command.

Table of contents:Introduction.Syntax.Commands.Summary.Introduction.

Linux is a multiuser operating system, therefore, we expect multiple users working on a system simultaneously. As system administrators, there are situations that require us to send messages to all logged-in system users, for example, syst...