1.\" $NetBSD: echo.1,v 1.19 2020/02/26 07:14:47 wiz Exp $ 2.\" 3.\" Copyright (c) 1990, 1993 4.\" The Regents of the University of California. All rights reserved. 5.\" 6.\" This code is derived from software contributed to Berkeley by 7.\" the Institute of Electrical and Electronics Engineers, Inc. 8.\" 9.\" Redistribution and use in source and binary forms, with or without 10.\" modification, are permitted provided that the following conditions 11.\" are met: 12.\" 1. Redistributions of source code must retain the above copyright 13.\" notice, this list of conditions and the following disclaimer. 14.\" 2. Redistributions in binary form must reproduce the above copyright 15.\" notice, this list of conditions and the following disclaimer in the 16.\" documentation and/or other materials provided with the distribution. 17.\" 3. Neither the name of the University nor the names of its contributors 18.\" may be used to endorse or promote products derived from this software 19.\" without specific prior written permission. 20.\" 21.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 22.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 25.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31.\" SUCH DAMAGE. 32.\" 33.\" @(#)echo.1 8.1 (Berkeley) 7/22/93 34.\" 35.Dd February 26, 2020 36.Dt ECHO 1 37.Os 38.Sh NAME 39.Nm echo 40.Nd write arguments to the standard output 41.Sh SYNOPSIS 42.Nm 43.Op Fl n 44.Op Ar string ... 45.Sh DESCRIPTION 46The 47.Nm 48utility writes any specified operands, separated by single blank (`` '') 49characters and followed by a newline (``\en'') character, to the standard 50output. 51.Pp 52The following option is available: 53.Bl -tag -width flag 54.It Fl n 55Do not print the trailing newline character. 56.El 57.Pp 58Note that many shells (e.g., 59.Xr csh 1 60and 61.Xr ksh 1 ) 62provide a built-in 63.Nm 64command which tends to differ from this utility in the treatment of options 65and backslashes. 66.Sh EXIT STATUS 67.Ex -std echo 68.Sh SEE ALSO 69.Xr csh 1 , 70.Xr ksh 1 , 71.Xr printf 1 72.Sh STANDARDS 73The 74.Nm 75utility is expected to be 76.St -p1003.2 77compatible. 78.Sh HISTORY 79An 80.Nm 81utility appeared in 82.At v2 . 83