Goal: Introduction to what Linux is.

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What is Linux and Linux Distributions (distro)

What is an Operating System?

• When you turn your device on, it boots up the operating system, which manages the communication/interface between your applications and the hardware it is running on.

What is Linux?

• Linux is an Operating Systems – similar to Windows, Mac OS, iOS, Android.

• Linux is open-source – freely available – so you can download, modify and redistribute.

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Varieties of Linux Distributions (distros):

Debian Ubuntu (based on Debian)	Image Added
Fedora Amazon Linux 2 Commercial: Red Hat (which we are using today) Rocky Linux A lot of commonality across distros.	Image Added

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Types of Environments

Desktop: Windows type Graphical User Interface (GUI)  - Graphics based interactions between the user and the operating system. Mouse pointer, click, icons, windows, drag and drop.	Image Added
Terminal: Program that opens a window to runs a: Shell which is a command interpreter that processes the typed commands. Interface to the OS. Provides a Command-Line Interface (CLI) – written/text-based input and output. Different Shells share common commands, but syntax and behavior can be different.	Image Added

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