General talk about Commands

Command is a common term for all Operating Systems

                              

Windows => Command Prompt,                   Linux  => SHELL Command.

Generally we think about Command, at first we know "Unix,Linux and similar OS".

General Structure of Operating System: 

But we all should know this before start,

This is a common structure of Operating System. So finally we should accept as "by Known or Unknown we bidirectionally connect with Commands". 

In earlier days our computer Operating Systems are only run by the help of Commands. So It only have a black screen and we using keyboard to give a command to our Operating System, then that transfer the machine level instruction to the Computer Hardware, Finally Computer responds our needs.

But, during this period Computer was not get more famous. But the same time it used by research centres very much for quick calculations. The main reason for lack of publicity is "Very Difficult to Understand". Really its not only a major reason, real one is Size. Earlier Computer occupies more space.

After the evaluation, The size of the Computer get reduced, But the Publicity

Operating System statistics
1.Windows 7			50.06%
2.Windows XP			25.27%
3.Windows 8/Windows 8.1			12.64%
4.OS X			7.38%
5.Other			3.36%
6.Windows Vista			2.90%
7.Linux			1.62%
Desktop OS Market Share as of May 2014 according to Usage of OS.

The reason for the usage, public says "Operating Systems like Windows are having  good GUI interface, So it's very easy to understand and work in full fledged.". It's a acceptable reason but the Powerful Operations are start with commands. 

let I Start to teach You all a Great PlatformCommander...!