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1 .\" $NetBSD: logname.1,v 1.8 1997/10/19 04:20:06 lukem Exp $
2 .\"
3 .\" Copyright (c) 1991, 1993
4 .\" The Regents of the University of California. All rights reserved.
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6 .\" This code is derived from software contributed to Berkeley by
7 .\" the Institute of Electrical and Electronics Engineers, Inc.
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37 .\" @(#)logname.1 8.1 (Berkeley) 6/9/93
38 .\"
39 .Dd June 9, 1993
40 .Dt LOGNAME 1
41 .Os BSD 4.4
42 .Sh NAME
43 .Nm logname
44 .Nd display user's login name
45 .Sh SYNOPSIS
46 .Nm
47 .Sh DESCRIPTION
48 The
49 .Nm
50 utility writes the user's login name to standard output followed by
51 a newline.
52 .Pp
53 The
54 .Nm
55 utility explicitly ignores the
56 .Ev LOGNAME
57 and
58 .Ev USER
59 environment variables
60 because the environment cannot be trusted.
61 .Pp
62 The
63 .Nm
64 utility exits 0 on success, and >0 if an error occurs.
65 .Sh SEE ALSO
66 .Xr who 1 ,
67 .Xr whoami 1 ,
68 .Xr getlogin 2
69 .Sh STANDARDS
70 The
71 .Nm
72 utility conforms to
73 .St -p1003.2-92 .
74 .Sh HISTORY
75 The
76 .Nm
77 command appeared in
78 .Bx 4.4 .