Ubuntu
Using the Gnome desktop environment, Ubuntu is currently the most popular Linux distribution. Ubuntu is based on Debian and sponsored by South-African-based company Canonical. Releases come every six months in many flavors depending on the size, look, and functionality you want.
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1 Record Your Ubuntu Desktop and Convert to .AVI
2 Install Ubuntu-Tweak 0.5.0 Two Ways
3 SuperOS: Like Ubuntu But Easier
4 The Ubuntu Install Guide
5 Manual Install
6 Ubuntu Install: Rebooting
7 Ubuntu Install: Installer Slideshow
8 Ubuntu Install: Summary of Installation
9 Ubuntu Install: User Information
10 Ubuntu Install: Partitioning
11 Ubuntu Install: Selecting Keyboard Layout
12 Ubuntu Install: Selecting Your Location
13 Ubuntu Install: Getting Started
14 Explore The Ubuntu Live CD
15 Burn An Ubuntu .ISO File
16 File Manager
17 Ubuntu Login Options
18 Solving Privacy Issues
19 Ubuntu Intrepid Ibex Install
20 Access Control Lists with Ubuntu Desktop
21 Modify the Ubuntu Menu
22 Ubuntu Desktop Options
23 Ubuntu Screen Saver
24 Ubuntu Applet Management
25 Ubuntu Panel
26 Ekiga on Ubuntu
27 Keeping Your Desktop Time
28 Beginners Guide to the Ubuntu Terminal
29 Ubuntu Video - Ways to Change Resolution
30 Gnome Terminal Modification
31 VMware Appliances with Linux
32 Compile Your Own Ubuntu Kernel
33 Ubuntu Kernel
34 Ubuntu Wireless Setup
35 Helpful Wireless Links
36 Synaptic Package Manager
37 Codecs for Multimedia
38 Games
39 AppArmor Install
40 AppArmor vs. SELinux
41 AppArmor Profiles Movie
42 AppArmor Profile Creation Movie
43 AppArmor Enforcement Movie
44 AppArmor Future
45 Create a Profile in AppArmor
46 Secure Ubuntu
47 Shared Folders
48 Network Troublehooting
49 Set Up a Network Printer
50 Network Security
51 Using Netstat
52 Network Set Up
53 Adding Users
54 Restricted Drivers
55 On-line Training Courses
56 Assistive Technologies
57 Screensaver
58 Screen Resolution
59 Theme
60 Change Backgrounds
61 Planning the Install
62 Ubuntu Program Management
63 Ubuntu Security
64 Ubuntu Users
65 Ubuntu Printing
66 Ubuntu File System
67 Ubuntu Network
68 Which Ubuntu?
69 Ubuntu System Selection