The output will be what you expect, it will echo Hello World onto the screen. You can also use echo to view the contents of a variable: As with most Linux commands, there's definitely more that we can ...

The printf command offers well-defined behavior following the POSIX standard, which means it works the same way across shells ...

That n is the reason that the echo command can also be used to add a linefeed to the end of a file that, for some reason, lacks one. Here’s a file that lacks a linefeed followed by the command that ...