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Goal: Introduction to what Linux is.



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.

  • Due to this there are 10s of varieties of Linux Distributions (distros):

    • Debian

      • Ubuntu (based on Debian)

    • Fedora

      • Amazon Linux 2

    • Commercial: Red Hat (which we are using today)

      • Rocky Linux

  • There is a lot of commonality across these distros.


Types of Environments

Types of Environment:

  • Desktop: Windows type Graphical User Interface (GUI)  - mouse point and click.

  • Terminal: Program that opens a graphical window and runs a:

    • Shell which is a command interpreter that processes the typed commands.

      • Interface to the OS.

      • Provides a Command-Line Interface (CLI) – text-based input/output.

      • Different Shells share common commands, but syntax and behavior can be different.


Next Steps

 

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