1.\" Copyright (c) 1990 The Regents of the University of California. 2.\" All rights reserved. 3.\" 4.\" Redistribution and use in source and binary forms, with or without 5.\" modification, are permitted provided that the following conditions 6.\" are met: 7.\" 1. Redistributions of source code must retain the above copyright 8.\" notice, this list of conditions and the following disclaimer. 9.\" 2. Redistributions in binary form must reproduce the above copyright 10.\" notice, this list of conditions and the following disclaimer in the 11.\" documentation and/or other materials provided with the distribution. 12.\" 3. All advertising materials mentioning features or use of this software 13.\" must display the following acknowledgement: 14.\" This product includes software developed by the University of 15.\" California, Berkeley and its contributors. 16.\" 4. Neither the name of the University nor the names of its contributors 17.\" may be used to endorse or promote products derived from this software 18.\" without specific prior written permission. 19.\" 20.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 21.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 24.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30.\" SUCH DAMAGE. 31.\" 32.\" from: @(#)du.1 6.13 (Berkeley) 6/20/91 33.\" $Id: uname.1,v 1.4 1994/01/27 17:57:48 jtc Exp $ 34.\" 35.Dd January 26, 1994 36.Dt UNAME 1 37.Os 38.Sh NAME 39.Nm uname 40.Nd Print operating system name 41.Sh SYNOPSIS 42.Nm uname 43.Op Fl amnsrv 44.Sh DESCRIPTION 45The 46.Nm uname 47utility writes symbols representing one or more system characteristics 48to the standard output. 49.Pp 50The following options are available: 51.Bl -tag -width indent 52.It Fl a 53Behave as though all of the options 54.Fl mnrsv 55were specified. 56.It Fl m 57print the machine hardware name. 58.It Fl n 59print the nodename (the nodename may be a name 60that the system is known by to a communications 61network). 62.It Fl s 63print the operating system name. 64.It Fl r 65print the operating system release. 66.It Fl v 67print the operating system version. 68.El 69.Pp 70If no options are specified, 71.Nm uname 72prints the operating system name as if the 73.Fl s 74option had been specified. 75.Sh SEE ALSO 76.Xr hostname 1 , 77.Xr machine 1 , 78.Xr uname 2 79.Sh STANDARDS 80The 81.Nm uname 82utility conforms to 83.St -p1003.2-92 . 84 85