Send a message with timeout (default 300)

wall

  • Write a message on the terminals of users currently logged in.
    More information: <https://manned.org/wall>.
  • Trick copyright: tl;dr; <https://github.com/tldr-pages/tldr>

wall -t {{seconds}} {{file}}

click the source code to copy install wall on any operating system with command-not-found.com