|| Linux Programmer's Manual
NAME nologin - prevent unprivileged users from logging into the system
DESCRIPTION If the file
/etc/nologin exists and is readable,
login(1) will allow access only to root. Other users will be shown the contents of this file and their logins will be refused.
COLOPHON This page is part of release 3.53 of the Linux
man-pages project. A description of the project, and information about reporting bugs, can be found at http://www.kernel.org/doc/man-pages/.