echo command in linux is used to display line of text/string that are passed as an argument . This is a built in command that is mostly used in shell scripts and batch files to output status text to the screen or a file.

What does echo do in shell?

The echo command is used to display a line of text that is passed in as an argument. This is a bash command that is mostly used in shell scripts to output status to the screen or to a file.

What does echo in bash?

Bash Echo is a command in bash shell that writes its arguments to standard output. Whatever you see in the terminal is because of echo command being executed by other programs.