UNIX is simply an operating system developed by Bell Laboratories in the 1960s. Ever since then, it has been constantly worked upon and developed. It is an operating system because it is a suite of programs capable of making a computer to function. Unix is considered to be a stable, multi-user, and multi-tasking system for both desktops and laptops and even servers.
From what i learned from school, have a theme for the presentation and only have 1-3 pictures per slide that aren’t too big but small enough so you can read and see, also pictures that are self explanatory
Following are attached images that will help you understand the complete code. The code is tested with different variables and different outputs are obtained. All the necessary description is given in the form o comments inside the code.