mirror of
https://git.FreeBSD.org/src.git
synced 2024-12-24 11:29:10 +00:00
132 lines
3.6 KiB
Groff
132 lines
3.6 KiB
Groff
.\" Copyright (c) 1993
|
|
.\" The Regents of the University of California. All rights reserved.
|
|
.\"
|
|
.\" 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.
|
|
.\" 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.
|
|
.\"
|
|
.\" 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.
|
|
.\"
|
|
.\" @(#)uname.1 8.3 (Berkeley) 4/8/94
|
|
.\" $FreeBSD$
|
|
.\"
|
|
.Dd November 20, 2013
|
|
.Dt UNAME 1
|
|
.Os
|
|
.Sh NAME
|
|
.Nm uname
|
|
.Nd display information about the system
|
|
.Sh SYNOPSIS
|
|
.Nm
|
|
.Op Fl aiKmnoprsUv
|
|
.Sh DESCRIPTION
|
|
The
|
|
.Nm
|
|
command writes the name of the operating system implementation to
|
|
standard output.
|
|
When options are specified, strings representing one or more system
|
|
characteristics are written to standard output.
|
|
.Pp
|
|
The options are as follows:
|
|
.Bl -tag -width indent
|
|
.It Fl a
|
|
Behave as though the options
|
|
.Fl m , n , r , s ,
|
|
and
|
|
.Fl v
|
|
were specified.
|
|
.It Fl i
|
|
Write the kernel ident to standard output.
|
|
.It Fl K
|
|
Write the
|
|
.Fx
|
|
version of the kernel.
|
|
.It Fl m
|
|
Write the type of the current hardware platform to standard output.
|
|
.It Fl n
|
|
Write the name of the system to standard output.
|
|
.It Fl o
|
|
This is a synonym for the
|
|
.Fl s
|
|
option, for compatibility with other systems.
|
|
.It Fl p
|
|
Write the type of the machine processor architecture to standard output.
|
|
.It Fl r
|
|
Write the current release level of the operating system
|
|
to standard output.
|
|
.It Fl s
|
|
Write the name of the operating system implementation to standard output.
|
|
.It Fl U
|
|
Write the
|
|
.Fx
|
|
version of the user environment.
|
|
.It Fl v
|
|
Write the version level of this release of the operating system
|
|
to standard output.
|
|
.El
|
|
.Pp
|
|
If the
|
|
.Fl a
|
|
flag is specified, or multiple flags are specified, all
|
|
output is written on a single line, separated by spaces.
|
|
.Pp
|
|
The
|
|
.Fl K
|
|
and
|
|
.Fl U
|
|
flags are intended to be used for fine grain differentiation of incremental
|
|
.Fx
|
|
development and user visible changes.
|
|
.Sh ENVIRONMENT
|
|
An environment variable composed of the string
|
|
.Ev UNAME_
|
|
followed by any flag to the
|
|
.Nm
|
|
utility (except for
|
|
.Fl a )
|
|
will allow the corresponding data to be set to the contents
|
|
of the environment variable.
|
|
.Sh EXIT STATUS
|
|
.Ex -std
|
|
.Sh SEE ALSO
|
|
.Xr feature_present 3 ,
|
|
.Xr getosreldate 3 ,
|
|
.Xr sysctl 3 ,
|
|
.Xr uname 3 ,
|
|
.Xr sysctl 8
|
|
.Sh STANDARDS
|
|
The
|
|
.Nm
|
|
command is expected to conform to the
|
|
.St -p1003.2
|
|
specification.
|
|
.Sh HISTORY
|
|
The
|
|
.Nm
|
|
command appeared in PWB UNIX.
|
|
.Pp
|
|
The
|
|
.Fl K
|
|
and
|
|
.Fl U
|
|
extension flags appeared in
|
|
.Fx 10.0 .
|