-.\" Copyright (c) 1993 Michael Haardt (michael@moria.de), Fri Apr 2 11:32:09 MET DST 1993
+.\" Copyright (c) 1993 Michael Haardt (michael@moria.de),
+.\" Fri Apr 2 11:32:09 MET DST 1993
.\"
+.\" %%%LICENSE_START(GPLv2+_DOC_FULL)
.\" This is free documentation; you can redistribute it and/or
.\" modify it under the terms of the GNU General Public License as
.\" published by the Free Software Foundation; either version 2 of
.\" GNU General Public License for more details.
.\"
.\" You should have received a copy of the GNU General Public
-.\" License along with this manual; if not, write to the Free
-.\" Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111,
-.\" USA.
+.\" License along with this manual; if not, see
+.\" <http://www.gnu.org/licenses/>.
+.\" %%%LICENSE_END
.\"
.\" Modified Sun Jul 25 11:06:34 1993 by Rik Faith (faith@cs.unc.edu)
.\" Corrected Mon Oct 21 17:47:19 EDT 1996 by Eric S. Raymond (esr@thyrsus.com)
-.TH NOLOGIN 5 1992-12-29 "Linux" "Linux Programmer's Manual"
+.TH NOLOGIN 5 2017-09-15 "Linux" "Linux Programmer's Manual"
.SH NAME
-nologin \- prevent non-root users from logging into the system
+nologin \- prevent unprivileged users from logging into the system
.SH DESCRIPTION
-If the file \fB/etc/nologin\fP exists,
+If the file \fI/etc/nologin\fP exists and is readable,
.BR login (1)
-will allow access only to root. Other users will
+will allow access only to root.
+Other users will
be shown the contents of this file and their logins will be refused.
+This provides a simple way of temporarily disabling all unprivileged logins.
.SH FILES
-/etc/nologin
-.SH "SEE ALSO"
+.I /etc/nologin
+.SH SEE ALSO
.BR login (1),
.BR shutdown (8)
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