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The echo Command - The Linux Information Project

Sep 19, 2005 ... ... displays the results. bash is the default shell on Linux. A command is an instruction telling a computer to do something. An argument is input data for a command. Standard output is the display screen by default, but it can be redirected to a file, printer, etc. The syntax for echo is. echo [option(s)] [string(s)].

15 Practical Examples of 'echo' command in Linux - Tecmint

Aug 21, 2014 ... echo is one of the most commonly and widely used built-in command for Linux bash and C shells, that typically used in scripting language and batch files.

Linux echo command help and examples - Computer Hope

Dec 29, 2017 ... Linux echo command help and information with echo examples, syntax, related commands, and how to use the echo command from the command line.

echo man page -

NAME echo - Write arguments to the standard output. SYNOPSIS echo [-neE] [ arg ...] DESCRIPTION Write arguments to the standard output. Display the ARGs on the standard output followed by a newline. Options: -n do not append a newline -e enable interpretation of the following backslash escapes -E explicitly suppress ...

command line - How to echo a bang! - Unix & Linux Stack Exchange

Try using single quotes. echo -e '#!/bin/bash \n /usr/bin/command args' > .scripts/ command echo '#!' echo '#!/bin/bash'. The problem is occurring because bash is searching its history for !/bin/bash. Using single quotes escapes this behaviour.

bash - Is it always safe to use `eval echo`? - Unix & Linux Stack ...

Counterexample: DANGEROUS=">foo" eval echo $DANGEROUS. The arbitrary arguments to echo could have done something more nefarious than creating a file called "foo".

Linux echo Command Tutorial for Beginners (5 Examples)

Jul 25, 2017 ... In this tutorial, we will discuss basics of echo as well as the command line options it provides. Suppose you want to append a hard-coded line of text...

Echo - Shell Scripting Tutorial - The Shell Scripting Tutorial

Echo : -n vs c. As you may have noticed by now, when you use the echo statement, a newline is added at the end of the command. There is a fix for this ... well, more accurately, there are two fixes for this. Some Unix systems use echo -n message to tell echo not to append a newline; others use echo message \c to do the ...

echo(1): line of text - Linux man page

Echo the STRING(s) to standard output. -n do not output the trailing newline -e enable interpretation of backslash escapes -E disable interpretation of ...

9 practical Linux echo command examples - The Linux Juggernaut

Feb 15, 2016 ... The echo command is useful for conveying a message/information to user. This command is more useful when you are writing shell scripts then normal system administration use. In this post we will see some basic examples as well as advanced stuff to get most of it. We have other command printf which is ...