98
How bad is Microsoft?
(www.gnu.org)
From Wikipedia, the free encyclopedia
Linux is a family of open source Unix-like operating systems based on the Linux kernel, an operating system kernel first released on September 17, 1991 by Linus Torvalds. Linux is typically packaged in a Linux distribution (or distro for short).
Distributions include the Linux kernel and supporting system software and libraries, many of which are provided by the GNU Project. Many Linux distributions use the word "Linux" in their name, but the Free Software Foundation uses the name GNU/Linux to emphasize the importance of GNU software, causing some controversy.
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There is a lot out there on why from a lot of sources, so definitely not hard to do research on this. Definitely research the history of this company regarding anti-competition, Bill Gate's letter to hobbyists regarding intellectual property and markets (which touches on the whole proprietary vs FOSS suff). You can also just use their products for a while and see for yourself, note what you like and what you don't like (for me the latter is more likely), and make your own judgement.