A Linear Queue is a data structure that follows a first-in, first-out (FIFO) order, meaning the first element added is the first one to be removed. It consists of a fixed-size array where elements are added at the rear and removed from the front. This structure is simple and efficient for managing tasks like scheduling and resource allocation. In a linear queue, two pointers, often called the front and rear, help track the positions of the first and last elements. When an element is added, the rear pointer moves forward, and when an element is removed, the front pointer advances. This straightforward mechanism makes linear queues easy to implement and understand.