Henri fayol developed 14 general principles of management including unity of command and the scalar chain which focused on the total organization. this is known as:

It is known as the administrative theory of the 14 Principles of Management. Fayol's "14 Principles" was one of the initial theories of management to be shaped, and remains one of the most widespread. He's well-thought-out to be among the most influential contributors to the modern concept of management, even though people don't discuss about "The 14 Principles" frequently today. The theory falls in the Administrative Management school of thought as contrasting to the Scientific Management School shaped by Fredrick Taylor. 

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