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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:
- .\" 1. Redistributions of source code must retain the above copyright
- .\" 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. 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.
- .\"
- .\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- .\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- .\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- .\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- .\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- .\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- .\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- .\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- .\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- .\" SUCH DAMAGE.
- .\"
- .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 EXIT STATUS
- .Ex -std
- .Sh SEE ALSO
- .Xr who 1 ,
- .Xr whoami 1 ,
- .Xr getlogin 2
- .Sh STANDARDS
- The
- .Nm
- utility is expected to conform to
- .St -p1003.2 .
- .Sh HISTORY
- The
- .Nm
- command appeared in
- .Bx 4.4 .
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