mirror of https://github.com/mkerrisk/man-pages
60 lines
1.9 KiB
Groff
60 lines
1.9 KiB
Groff
.\" Copyright (c) 1993 Michael Haardt (michael@moria.de),
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.\" Thu May 20 20:45:48 MET DST 1993
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.\"
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.\" %%%LICENSE_START(GPLv2+_DOC_FULL)
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.\" This is free documentation; you can redistribute it and/or
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.\" modify it under the terms of the GNU General Public License as
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.\" published by the Free Software Foundation; either version 2 of
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.\" the License, or (at your option) any later version.
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.\"
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.\" The GNU General Public License's references to "object code"
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.\" and "executables" are to be interpreted as the output of any
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.\" document formatting or typesetting system, including
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.\" intermediate and printed output.
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.\"
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.\" This manual is distributed in the hope that it will be useful,
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.\" but WITHOUT ANY WARRANTY; without even the implied warranty of
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.\" MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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.\" GNU General Public License for more details.
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.\"
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.\" You should have received a copy of the GNU General Public
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.\" License along with this manual; if not, see
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.\" <http://www.gnu.org/licenses/>.
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.\" %%%LICENSE_END
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.\"
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.\" Modified Sat Jul 24 17:11:07 1993 by Rik Faith (faith@cs.unc.edu)
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.\" Modified Sun Nov 21 10:49:38 1993 by Michael Haardt
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.\" Modified Sun Feb 26 15:09:15 1995 by Rik Faith (faith@cs.unc.edu)
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.TH SHELLS 5 2017-11-26 "" "Linux Programmer's Manual"
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.SH NAME
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shells \- pathnames of valid login shells
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.SH DESCRIPTION
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.I /etc/shells
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is a text file which contains the full pathnames of valid login shells.
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This file is consulted by
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.BR chsh (1)
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and available to be queried by other programs.
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.PP
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Be aware that there are programs which consult this file to
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find out if a user is a normal user;
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for example,
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FTP daemons traditionally
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disallow access to users with shells not included in this file.
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.SH FILES
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.I /etc/shells
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.SH EXAMPLE
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.I /etc/shells
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may contain the following paths:
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.PP
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.in +4n
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.EX
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.I /bin/sh
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.I /bin/bash
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.I /bin/csh
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.EE
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.in
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.SH SEE ALSO
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.BR chsh (1),
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.BR getusershell (3),
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.BR pam_shells (8)
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