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.\" @(#)du.1 6.13 (Berkeley) 6/20/91 33.\" 34.Dd March 29, 1992 35.Dt UNAME 1 36.Os Posix 37.Sh NAME 38.Nm uname 39.Nd Print name of current UNIX system 40.Sh SYNOPSIS 41.Nm uname 42.Op Fl snrvma 43.Sh DESCRIPTION 44The 45.Nm uname 46prints the current system name of the UNIX system on 47the standard output file. It is mainly useful to determine 48which system one is using. 49.Pp 50The following options are available: 51.Bl -tag -width indent 52.It Fl s 53print the system name (default). 54.It Fl n 55print the nodename (the nodename may be a name 56that the system is known by to a communications 57network). 58.It Fl r 59print the operating system release. 60.It Fl v 61print the operating system version. 62.It Fl m 63print the machine hardware name. 64.It Fl a 65print all the above information. 66 67.Sh SEE ALSO 68.Xr hostname 1 , 69.Xr machine 1 , 70.Xr uname 2 71.Sh STANDARDS 72The 73.Nm uname 74utility is expected to be 75.St -p1003.2 76compatible. 77 78