130 lines
3.4 KiB
Groff
130 lines
3.4 KiB
Groff
.\" $OpenBSD: uname.1,v 1.20 2024/06/03 15:55:52 florian Exp $
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.\"
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.\" Copyright (c) 1990 The Regents of the University of California.
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.\" All rights reserved.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\" 3. Neither the name of the University nor the names of its contributors
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.\" may be used to endorse or promote products derived from this software
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.\" without specific prior written permission.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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.\" SUCH DAMAGE.
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.\"
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.\" from: @(#)du.1 6.13 (Berkeley) 6/20/91
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.\"
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.Dd $Mdocdate: June 3 2024 $
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.Dt UNAME 1
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.Os
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.Sh NAME
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.Nm uname
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.Nd print operating system name
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.Sh SYNOPSIS
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.Nm uname
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.Op Fl amnprsv
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.Sh DESCRIPTION
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The
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.Nm uname
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utility writes strings representing one or more system characteristics
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to the standard output.
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The formats and meanings of all these strings vary among operating systems.
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.Pp
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The options are as follows:
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.Bl -tag -width Ds
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.It Fl a
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Behave as though all of the options
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.Fl mnrsv
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were specified.
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.It Fl m
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Print the name of the hardware type.
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On
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.Ox ,
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this is the kernel architecture as returned by
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.Xr machine 1 .
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.It Fl n
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Print the network name of this machine.
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On
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.Ox ,
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the same name can be printed with
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.Xr hostname 1 .
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.It Fl p
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Print the application architecture as returned by
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.Xr arch 1
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.Fl s .
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.It Fl r
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Print the operating system release.
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On
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.Ox ,
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the format is
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.Sm off
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.Ar digit . digit .
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.Sm on
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.It Fl s
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Print the operating system name.
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On
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.Ox ,
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this is always
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.Dq Ox .
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.It Fl v
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Print the operating system version.
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On
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.Ox ,
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the format is
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.Ar SYSTEMNAME Ns # Ns Ar buildnumber
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with the
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.Ar SYSTEMNAME
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mentioned in
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.Xr config 8 .
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.El
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.Pp
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If no options are specified,
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.Nm uname
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prints the operating system name as if the
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.Fl s
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option had been specified.
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.Pp
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If
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.Fl a
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or more than one option is specified,
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.Ox
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prints the selected fields separated by single space characters
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in the following order: operating system name, network name,
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release, version, kernel architecture, application architecture.
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.Sh EXIT STATUS
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.Ex -std uname
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.Sh SEE ALSO
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.Xr hostname 1 ,
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.Xr machine 1 ,
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.Xr uname 3
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.Sh STANDARDS
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The
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.Nm
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utility is compliant with the
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.St -p1003.1-2008
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specification.
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.Pp
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The flag
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.Op Fl p
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is an extension to that specification.
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.Sh HISTORY
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The
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.Nm
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command first appeared in PWB/UNIX 1.0
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and was reimplemented for
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.Bx 4.4 .
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