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 ...
Check if a file is really a file, whether a string contains anything, and whether you can run a program with these vital patterns.
So, I just to perform a simple task. I want to echo the current date and time with some additional text to a file... basically clearing the file as I do so.<BR><BR ...