linux_introduction/essential/readme.md

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# Essential Linux
## Introduction to Linux
### Where does Linux originate from?
* The spiritual mother of Linux is [Unix](https://en.wikipedia.org/wiki/Unix).
* [POSIX](https://en.wikipedia.org/wiki/POSIX) is not an OS in itself but a **standard**.
* Which OS's are [POSIX compliant](https://en.wikipedia.org/wiki/POSIX#POSIX-oriented_operating_systems)
### Who is behind this project?
* Who is [Richard Stallmann](https://en.wikipedia.org/wiki/Richard_Stallman)?
* Who is [Linux Torvalds](https://en.wikipedia.org/wiki/Linus_Torvalds)?
### What is the deal with 'GNU-slash-Linux'?
* [GNU/Linux](https://en.wikipedia.org/wiki/GNU/Linux_naming_controversy) controversy
* What is a [kernel](https://en.wikipedia.org/wiki/Kernel_(operating_system))
* What does [GNU](https://www.gnu.org/software/) bring to the table?
### Where can you *get* some Linux?
* You probably already have a Linux computer running at [home](https://opensource.com/article/19/8/everyday-tech-runs-linux)!
![Timeline](../assets/distro_timeline.png)
### Debian
* [Reasons](https://www.debian.org/intro/why_debian) to choose Debian.
* Why is Debian called [the universal operating system](https://www.reddit.com/r/debian/comments/22j0wf/so_why_debian_is_called_the_universal_operating/)
* [comparison](https://en.wikipedia.org/wiki/Comparison_of_instruction_set_architectures) of CPU architectures
* [download](https://www.debian.org/distrib/netinst) Debian
## How to create a virtual machine
Step by step walk-through of a VM creation in virtualbox with some notes on each step with best practice pointers.
## Breakdown of the Debian installation
* [step by step](https://debian-handbook.info/browse/stable/sect.installation-steps.html) installation instructions
* **stress the graphical/minimal difference**