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.

Debian Ubuntu (based on Debian)	Ubuntu

Ubuntu

Fedora
- Amazon Linux 2
- Commercial: Red Hat (which we are using today)
- Rocky Linux

A lot of commonality across distros.

Red Hat Enterprise Linux (RHEL)

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.	Windows Desktop GUI

Desktop: Windows type Graphical User Interface (GUI) - Graphics based interactions between the user and the operating system.

Windows Desktop GUI

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.

Linux CLI in a Terminal

Workshop Home

Intro to Linux CLI: The File System

Next

Using the Terminal