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CIS 105 Chapter 4 Introduction to Fedora and Red Hat Linux

CIS 105 Chapter 4 Introduction to Fedora and Red Hat Linux. Click the speaker for audio. Objectives Understand the purpose of the superuser account Outline the key features of the Linux desktops Navigate through the menus Getting help Using Virtual Consoles. Operating Systems.

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CIS 105 Chapter 4 Introduction to Fedora and Red Hat Linux

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  1. CIS 105Chapter 4Introduction to Fedora and Red Hat Linux Click the speaker for audio Objectives • Understand the purpose of the superuser account • Outline the key features of the Linux desktops • Navigate through the menus • Getting help • Using Virtual Consoles

  2. Operating Systems • Two different types of programs are executed on a computer: • Applications • Operating system (OS) software • User Interface: An application program that allows the user to interact with the OS and other application programs • GUI • Terminal

  3. Operating Systems (continued) Figure 1-1: The role of operating system software

  4. Operating Systems (continued) • Graphical user interface (GUI): Component of an OS that provides a user-friendly interface • System services: Applications that handle system-related tasks • Printing • Scheduling programs • Network access

  5. Operating Systems (continued) A Linux graphical user interface

  6. The Linux Operating System • OS used to run a variety of applications on a variety of different hardware • Has the ability to manage thousands of tasks at the same time • Allows multiple users to access the system simultaneously • Multiuser and multitasking OS

  7. Keeping SuperUser under control • There is one administrative account that has “all power”. It is called root • This account can make changes to the operating system file system, install and upgrade software • This account can also delete and change critical system files which can potentially disable the system • Linux is literal, and usually results are immediate • Use the root account with care! • You can access root privileges without being logged in a sthe root account by running the command at a terminal prompt su • If you attempt to make changes to system services and configuration when using the Graphical User Interface, you will be challenged for the password for the user root.

  8. The Linux Desktop • We will rarely be looking at the Linux desktop during this course • The textbook examples use the Desktop manager KDE, so I will use the GNOME desktop in my examples.

  9. Gnome Desktop Tour • Click the link below for a short tutorial on the GNOME desktop Desktop Tour Tutorial This will open a web browser and begin a demonstration.

  10. Linux Advantages: Ease of Obtaining Support • Linux documentation can be found on the Internet • Frequently Asked Questions (FAQs) • HOWTO documents • Linux Newsgroups • Linux User Group (LUG): Open forum of Linux users who discuss and assist each other in using and modifying the Linux OS

  11. Getting help at the terminal prompt • Using Info • Using man • Using --? • Both of these are described in the tutorial at • http://faculty.skagit.edu/imageuploads/repository161.mov

  12. Additional info:Common Uses of Linux • Workstation services: Replacing the Windows and Mac computer with the FREE operating system. • Server services: Linux can be found hosting many web servers, DNS servers and other server functions. Google using Linux to run their search engine.

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