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freebsd/usr.bin/logname/logname.1
2001-08-15 09:09:47 +00:00

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.\" Copyright (c) 1991, 1993
.\" The Regents of the University of California. All rights reserved.
.\"
.\" This code is derived from software contributed to Berkeley by
.\" the Institute of Electrical and Electronics Engineers, Inc.
.\"
.\" Redistribution and use in source and binary forms, with or without
.\" modification, are permitted provided that the following conditions
.\" are met:
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.\" notice, this list of conditions and the following disclaimer.
.\" 2. Redistributions in binary form must reproduce the above copyright
.\" notice, this list of conditions and the following disclaimer in the
.\" documentation and/or other materials provided with the distribution.
.\" 3. All advertising materials mentioning features or use of this software
.\" must display the following acknowledgement:
.\" This product includes software developed by the University of
.\" California, Berkeley and its contributors.
.\" 4. Neither the name of the University nor the names of its contributors
.\" may be used to endorse or promote products derived from this software
.\" without specific prior written permission.
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.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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.\"
.\" @(#)logname.1 8.1 (Berkeley) 6/9/93
.\" $FreeBSD$
.\"
.Dd June 9, 1993
.Dt LOGNAME 1
.Os
.Sh NAME
.Nm logname
.Nd display user's login name
.Sh SYNOPSIS
.Nm
.Sh DESCRIPTION
The
.Nm
utility writes the user's login name to standard output followed by
a newline.
.Pp
The
.Nm
utility explicitly ignores the
.Ev LOGNAME
and
.Ev USER
environment variables
because the environment cannot be trusted.
.Sh DIAGNOSTICS
.Ex -std
.Sh SEE ALSO
.Xr who 1 ,
.Xr whoami 1 ,
.Xr getlogin 2
.Sh STANDARDS
The
.Nm
function is expected to conform to
.St -p1003.2 .
.Sh HISTORY
The
.Nm
command appeared in
.Bx 4.4 .