motd (Unix)

Default motd showing on OpenBSD 5.3

The /etc/motd is a file on Unix-like systems that contains a "message of the day", used to send a common message to all users in a more efficient manner than sending them all an e-mail message. Other systems might also have an motd feature, such as the motd info segment on MULTICS.[1]

Usage

The contents of the file /etc/motd are displayed by the Unix login command after a successful login, and just before it executes the login shell.[2]

Newer unix-like systems may generate the message dynamically when the host boots or a user logs in.[3]

The MOTD has also become a common feature of the online component of Windows PC games, such as Half-Life, Call of Duty, and Battlefield. A similar feature called MOTD is displayed when logging on to some IRC servers.[4]

See also

References

  1. ↑ http://multicians.org/mgm.html
  2. ↑ The complete FreeBSD: documentation from the source, By Greg Lehey, p.572
  3. ↑ https://books.google.com/books?id=gpbk66Y_s5sC&pg=PA269&dq=ubuntu+motd&hl=en&sa=X&ved=0ahUKEwjSqIashsrSAhUR24MKHcxIAj8Q6AEIJDAB#v=onepage&q=ubuntu%20motd&f=false
  4. ↑ https://tools.ietf.org/html/rfc2812#page-25


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