Bash Scripting – Bash Echo Command

In this article, we are going to see the echo command. The Echo command is a built-in command feature for Unix / Linux which is generally used to display the text or message on the screen.

Syntax :

$ echo [option]

For Example :

$ echo Geeks For Geeks

Output :

Geeks For Geeks

Output

There are generally three options:

• -n: It does not print the trailing newline.
• -E: It is the default option that disables the implementation of escape sequences.
• -e: It is used to enable interpretation of backslash escapes

There are some escape sequences performing different operations such as:

Escape Sequences	Meaning
\b	Backspace
\\	Backslash
\n	New Line
\r	Carriage Return
\t	Horizontal Tab
\v	Vertical Tab

Example 1 :

$ echo -e "Geeks \bFor \bGeeks"

Output:

GeeksForGeeks

Output

Example 2 :

$ echo -e "Geeks\nFor\nGeeks"

Output :

Geeks
For  
Geeks

Output

Example 3 :

$ echo -e "Geeks\tFor\tGeeks"

Output :

Geeks   For     Geeks

Output

Example 4 :

$ echo -e "Geeks\\For\\Geeks"  

Output : 

Geeks\For\Geeks

Output

Example 5 :

$ echo -e "Geeks\rFor Geeks"

Output : 

For Geeks

Output

Example 6 :

$ echo -e "Geeks\v For\v Geeks"

Output :

Geeks♂ For♂ Geeks

Output

Example 7 :

$ echo -n "Geeks For Geeks"

Output :

Geeks For Geeks

Output

You can find all the commands related to echo by writing the following command.

$ /bin/echo --help

Output : 

Output

There are some other ways to use echo command

Taking input from user:

We create a text file named ” userInput.sh ” and write the following code inside the file. 

#!/bin/sh  

echo "Enter Your Name : "

read name     #It take input from user

echo "Hello, $name. Welcome to GeeksForGeeks"

Now run the ” userInput.sh ” with the help of the below code:

$ chmod +x ./userInput.sh
$ ./userInput.sh

Output :

Output

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