Why do you use echo command for shell programs?

Berneice Corkery asked a question: Why do you use echo command for shell programs?
Asked By: Berneice Corkery
Date created: Sat, Jul 17, 2021 8:06 PM

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FAQ

Those who are looking for an answer to the question «Why do you use echo command for shell programs?» often ask the following questions:

😳 What is bash echo command?

echo is a built-in command in the bash and C shells that writes its arguments to standard output… When used without any options or strings, echo returns a blank line on the display screen followed by the command prompt on the subsequent line.

😳 What is the echo command in bash?

  • Multiple built-in functions exist in bash to print the output into the terminal. ‘echo’ is one of the most used commands to print text or string data into the terminal or another command as input or a file. This command has some options that can be used with this command for special purposes.

😳 Why is there no echo command in bash?

  • One reason for doing this would be to avoid any possibility of a password being visible in the output of ps. However, in bash and most modern shells, "echo" is a built-in command and it won't show up in ps output, so using something like this is safe (ignoring any issues with storing passwords in files, of course):

1 other answer

echo is often used as an easy way of printing text, or displaying the value of a system variable.

Your Answer

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