echo.1

<B>Digital的Unix操作系统VAX 4.2源码</B>

.\" SCCSID: @(#)echo.1	8.1	9/11/90
.\" SCCSID: @(#)echo.1	8.1	9/11/90
.TH echo 1
.SH Name
echo \- echo arguments
.SH Syntax
.B echo
[\fB\-n\fR] [\|\fIarg\fR...\|] 
.SH Description
.NXR "echo command (general)"
.NXR "error message" "producing"
.NXA "sh command interpreter" "echo command"
.NXA "csh command interpreter" "echo command"
The 
.PN echo
command writes its arguments separated by blanks and terminated by
a new line on the standard output.  
.SH Options
.IP \fB\-n\fR 5
Suppresses newlines from output.
.SH Examples
The
.PN echo
command is useful for producing diagnostics in
shell programs and for writing constant data on pipes.
.sp
To send diagnostics to the standard error file, type the
following:
.EX
echo ... 1>&2
.EE