Windows is has been around for over 35 years and is the primary operating system of the general computing populace with few exceptions.
Based off a variant of Unix, Linux was developed primarily by Linus Torvalds. Over the last 35 years it has slowly grown to be a contender in the end user GUI market.
MacOS has had a number of varients over the years. It’s primarily found on Apple/Macintosh products however over the last decade there has been a growing marketplace for it in the IBM PC marketplace.
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Rainbow Computer Systems
13 Dufferin Street S.
Alliston, ON, Canada
L9R 1G7