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1.\"-
2.\" Copyright (c) 2011 Dag-Erling Sm��rgrav
3.\" All rights reserved.
4.\"
5.\" Redistribution and use in source and binary forms, with or without
6.\" modification, are permitted provided that the following conditions
7.\" are met:
8.\" 1. Redistributions of source code must retain the above copyright
9.\" notice, this list of conditions and the following disclaimer.
10.\" 2. Redistributions in binary form must reproduce the above copyright
11.\" notice, this list of conditions and the following disclaimer in the
12.\" documentation and/or other materials provided with the distribution.
1.\"-
2.\" Copyright (c) 2011 Dag-Erling Sm��rgrav
3.\" All rights reserved.
4.\"
5.\" Redistribution and use in source and binary forms, with or without
6.\" modification, are permitted provided that the following conditions
7.\" are met:
8.\" 1. Redistributions of source code must retain the above copyright
9.\" notice, this list of conditions and the following disclaimer.
10.\" 2. Redistributions in binary form must reproduce the above copyright
11.\" notice, this list of conditions and the following disclaimer in the
12.\" documentation and/or other materials provided with the distribution.
13.\" 3. The name of the author may not be used to endorse or promote
14.\" products derived from this software without specific prior written
15.\" permission.
16.\"
17.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
18.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
21.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27.\" SUCH DAMAGE.
28.\"
13.\"
14.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24.\" SUCH DAMAGE.
25.\"
29.\" $Id: su.1 816 2014-09-12 07:50:22Z des $
26.\" $Id: su.1 458 2011-11-02 13:10:25Z des $
30.\"
27.\"
31.Dd September 12, 2014
28.Dd November 2, 2011
32.Dt SU 1
33.Os
34.Sh NAME
35.Nm su
36.Nd switch user identity
29.Dt SU 1
30.Os
31.Sh NAME
32.Nm su
33.Nd switch user identity
37.Sh SYNOPSIS
34.Sh SYNOPSYS
38.Nm
39.Op Ar login Op Ar ...
40.Sh DESCRIPTION
41The
42.Nm
43utility starts a shell under the identity of the user specified by the
44first argument on the command line.
45If no user is specified, the default is

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51.Dq su
52PAM policy.
53.Sh IMPLEMENTATION NOTES
54The
55.Nm
56utility is provided with the OpenPAM library as a sample application
57and should not be used in production systems.
58.Sh SEE ALSO
35.Nm
36.Op Ar login Op Ar ...
37.Sh DESCRIPTION
38The
39.Nm
40utility starts a shell under the identity of the user specified by the
41first argument on the command line.
42If no user is specified, the default is

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48.Dq su
49PAM policy.
50.Sh IMPLEMENTATION NOTES
51The
52.Nm
53utility is provided with the OpenPAM library as a sample application
54and should not be used in production systems.
55.Sh SEE ALSO
59.Xr openpam 3 ,
56.Xr openpam 3
60.Xr pam 3
61.Sh AUTHORS
62The
63.Nm
64utility and this manual page were written by
57.Xr pam 3
58.Sh AUTHORS
59The
60.Nm
61utility and this manual page were written by
65.An Dag-Erling Sm\(/orgrav Aq des@des.no .
62.An Dag-Erling Sm\(/orgrav Aq des@FreeBSD.org .