You want to change the file that contains the message which is used at the login prompt when users log in locally. (Please enter the file including the path)

You want to change the file that contains the message which is used at the login prompt when users log in locally.

(Please enter the file including the path)

Answer: /etc/issue

Explanation:
From the man pages:
The file /etc/issue is a text file which contains a message or system identification to be printed before the login prompt.