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Some basic questions about Linux
(sh.itjust.works)
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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I think you have gotten a lot of good answers so my 2 cents are. Install something simple like Ubuntu and try it out. Getting the answers to your questions will not give you the "feel" of using a linux system. Once you start you will begin to have more answers and a lot more questions, specifically in the areas you are interested in.
Also check the Arch wiki, it is really good for any distro because it gives a good reference for configurations.
I have installed and used Ubuntu in the past. Now I'm exploring a project that uses a raspberry pi and I'm running into terms that I don't know how to distinguish between.
If you are working on a pi, you have to pay attention to the architecture that a distro supports.