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Certification

GNOME and KDE

Desktops

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UNIT 3

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UNIT 3: Objectives

Understand X concepts and architecture

Explore useful X applications

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UNIT 3: Agenda

X concepts and architecture

X applications

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The X Window System

Provides foundation for the graphicalcomponent of Linux

Multiple desktop environments GNOME

KDE Bluecurve theme

Easy navigation and configuration

Artistically designed look

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GNOME

Default desktop

Consistent, easy to use desktop

GNOME Office productivity applications abiword

gnumeric

Games

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KDE

KDE, the K Desktop Environment KDE application include:

konsole graphical terminal konqueror - file manager and web

browser

kmail email client

kdevelop - Integrated DevelopmentEnvironment

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Starting XFree86

X may start up automatically

Display manager provides graphical login

Can start X manually from text login use startx

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Switching Between GNOME

and KDE Easy tool to switch between GNOME and

KDE desktop environments

switchdesk Creates ~/.Xclients and

~/.Xclients-defaults

Runs one of the desktop environment tools: GNOME:gnome-session

KDE: exec startkde

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nautilus

GNOME file manager and web browser

Start from desktop

Start Here desktop iconnautilus command

Views files, directories, html

Supports http and ftp connections

Launch programs and system and desktoppreferences from Start Here

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Graphical Terminals

gnome-terminal

Easy to configure default GNOME terminal

konsole

Standard KDE terminal

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Graphical Editors

gvim GUI version of vim, requires vim-X11 RPM

xemacs

X version of emacs editor

gedit Simple GNOME text editor

kwrite Default KDE text editor

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Web Browsers mozilla- standard web browser

konqueror- KDE file manager/web browser

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OpenOffice.org Office Suite

OpenOffice.org - open source version ofStarOffice suiteooffice

oowriter, ooimpress, oodraw, oomath,oocalc

Administrative tools include:oosetup setup tool

oopadmin printer adminstration tool

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Useful Keystrokes in X

Some useful keystrokes when using X

Killing X

Changing windows

Changing workspaces

Popping up Red Hat menu

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Useful Keystrokes, continued:

Copy & Paste With mouse buttons:

Highlight text with left mouse button

Paste with the middle mouse button With two-button mice, press both buttons at the

same time to emulate the middle button

Or: copy paste

delete

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End of Unit 3

Questions and answers

Summary What properties does the X Window

System have?

What are the two main GUI environmentsfor X?