What is Stack in Operating System?

Learn Stack definition in operating system with explanation to study “What is Stack”. Study stack explanation with operating system terms to review operating system course for online degree programs.

Stack Definition

  • An ordered list in which items are appended to and deleted from the same end of the list.

    Operating Systems by William Stallings

Stack Explanation

Stack is a special region in a computer's memory that stores temporary variables created by each function. The stack is a LIFO i.e. Last In First Out, data structure. It is managed and optimized by the central processing unit (CPU) quite closely. The concept of stack is also used in programming and memory organization in computers.

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