Hello world!
“Hello World” and ” Welcome to WordPress. This is your first post. Edit or delete it, then start blogging!”
This is what you will see in many wordpress blog sites and sometimes in other free templates you get from the web.
A “Hello World” program is a computer program which prints out “Hello, world!” on a display device. It is used in many introductory tutorials for teaching a programming language. Such a program is typically one of the simplest programs possible in a computer language. Some are surprisingly complex, especially in some graphical user interface (GUI) contexts, but most are very simple, especially those which rely heavily on a particular command line interpreter (“shell”) to perform the actual output. In an embedded system, the text may be sent to a liquid crystal display (LCD), or the message may be substituted by some other appropriate signal, such as a LED being turned on.
Read Full definition at WikiPidia.
