1 .\" Copyright (c) 1993 Michael Haardt (michael@moria.de),
2 .\" Fri Apr 2 11:32:09 MET DST 1993
4 .\" SPDX-License-Identifier: GPL-2.0-or-later
6 .\" Modified Sun Jul 25 11:06:27 1993 by Rik Faith (faith@cs.unc.edu)
7 .TH SECURETTY 5 2020-06-09 "Linux" "Linux Programmer's Manual"
9 securetty \- list of terminals on which root is allowed to login
13 contains the names of terminals
14 (one per line, without leading
16 which are considered secure for the transmission of certain authentication
19 It is used by (some versions of)
21 to restrict the terminals
22 on which root is allowed to login.
25 if you use the shadow suite.
27 On PAM enabled systems, it is used for the same purpose by
29 to restrict the terminals on which empty passwords are accepted.