I am an experienced PC user, so my MacOS was a new thing to me. I have only used Linux for a few minutes and I was trained in Unix and even MSDOS back in the day.
I would like to give my honest assessment about the three major operating systems that currently reside on the almost all consumer computers and make a comparison to respective human personalities.
Windows
Windows is that guy that works hard, isn't overly concerned about appearance and personal flaws, but gets the job done, but is not concerned with efficiency. Windows will eat just about anything… including junk food, with the exception of vegetables. Windows is a special needs child that is temperamental and unpredictable… not as reliable as other operating systems, but his popularity is his strong point. Even though people are aware of his character flaws, they accept him due to his popularity and willingness to try to get along with others. Windows has many interests, abilities and hobbies… many of which most people are unaware of, though he won't flaunt them. We have to discover those "hidden talents" for ourselves and bring them out him. Windows is a union worker and is very consistent in his wages and compensation expectations. Windows has a bit of a weight problem, which he acknowledges but expects others to compensate and pick up the slack for him. Sometimes this weight problem slows down productivity and even halts production altogether, but usually nothing that a power nap won't fix… though he has been known to need hospitalizations and may even be subject to incurable terminal illness. Though Windows is inefficient, he is flexible and can learn many new tasks, but may need to be told over and over again how to do them.
MacOS
MacOs despises junk food and is a vegan. She is, however, a foodie that enjoys fine wine… so she is thus difficult to please. She is not very flexible and doesn't play nice with others, yet is extremely reliable and predictable. She is a perfectionist that is very concerned with her weight and appearance - to a fault… so much so, that this obsession often gets in the way of productivity, but she compensates by working fast and efficiently. She is very talented in a few areas, but not very flexible… very shallow. She dresses with the latest fashions and loves to accessorize, however these accessories are a burden, rather than a strength… as she cannot seem to go certain places or do certain tasks without specific accessories because she is very fastidious. She is difficult to get along with at first, but once you get to know her, you will wonder how you ever got along without her. She has a streak of jealousy against other operating systems and has a tendency to undermine their objectives in a subversive manner. You will love her, but you will hate her too.
Linux
Linux is the outcast that still lives in his mother's basement. He is a conspiracy-theorist anarchist - the type who would show up to a job interview with facial tattoos and piercings and wonders why he never gets hired, so he tries his darnedest to win people over by not only pointing out his usefulness, but also by launching smear-campaigns against the other operating systems. He will work for free with the expectation that you will also compensate in a similar manner. While he appears to play nice with others, he overestimates his abilities and comes up short due to his limitations. He is very flexible and can be taught many things, but he has serious disabilities when it comes to actually delivering the goods, so his promises are empty. He compensates for this by offering alternate products and services which are either inferior or unpopular. He is, however, dependable at what he does… whatever that is. Linux doesn't eat… he survives on drugs.
